Testing and Service Conditions

Top experts review the latest patents they read and the latest papers and lectures they attended at conferences; they then make a selection of the most promising technologies and summarize in a few lines what the substance you should take away with you.

Sort By

Testing and Service Conditions

May 05, 2013 - Modeling of Physical Aging of Epoxy Polymers - Technical Paper
Epoxy resins are often exposed to prolonged periods of sub-Tg temperatures which cause physical aging to occur. Because physical aging can compromise...
Apr 06, 2013 - Influence of Moisture on Adhesive used for Structural Bonding of Wood - Technical Paper
Tensile strength, Young's modulus and stress-strain behavior of adhesive films were investigated by means of tensile tests at 23 °C under various...
Mar 30, 2013 - Mechanical Behavior of an Aluminum Powder Filled Epoxy Paste Adhesive - Technical Paper
The authors present experimental results describing the mechanical behavior of an epoxy-based structural paste adhesive with aluminum powder filler...
Mar 22, 2013 - Influence of Adhesive Thickness on Ballistic Performance of Bonded Composites - Technical Paper
Influence of adhesive thickness on high velocity impact (HVI) performance of ceramic (Al2O3-99.5)/aluminum (Al5083 H116) composite targets is...
Mar 22, 2013 - Measurement of Adhesive Shear Properties by Short Beam Shear Test - Technical Paper
This paper refers to the measurement of the shear properties of adhesive bonding by a new beam theory using the short beam shear (SBS) test...
Mar 17, 2013 - Heat Resistant Adhesive Matrix for Aerogel Composites and Steel Alloy Bonding - Technical Paper
The novel organic matrix adhesive was used to join hydrophobic mullite fiber reinforced silica aerogel (HMF/SA) composites and 1Cr18Ni9Ti steel. It...
Feb 25, 2013 - Evaluation of Interfacial Defects (Kissing Bonds) in Lap Shear Joints - Technical Paper
The assembly of aerospace and automotive structures in recent years is increasingly carried out using adhesives. Adhesive joints have advantages of...
Feb 16, 2013 - Curing Effects on Steel / CFRP Strap Joints with Combined Load, Temperature & Humidity - Technical Paper
This paper examines the effects of curing conditions on the performance of steel/CFRP double strap joints subjected to combined loading, cyclic...
Feb 16, 2013 - Degradation of Silicone Adhesives under UV and Methods of Improving Stability - Technical Paper
The degradation of silicone glues used, for example, in the assembly of solar modules for use in space, has been investigated and possible mechanisms...
Feb 10, 2013 - Characterization of Epoxy Adhesives Loaded with Metallic and Non-metallic Particles - Technical Paper
The influence of loading of Al2O3, Al, and Cu particles (0.5–5 μm) in an epoxy adhesive has been studied in reference to thermal stability and single...
Jan 25, 2013 - Characterization of Aluminum Lap Joints for High Temperature Service - Technical Paper
In this study, an experimental investigation into the shear strength behavior of aluminum alloy single-lap adhesive joints was carried out in order to...
Jan 12, 2013 - Epoxy Adhesive and Sealing Materials with High Thermal Conductivity - Technical Paper
Epoxide adhesive materials of cold setting developed at OAO Kompozit are presented. It is shown that all the materials have low gas evolution and high...
Jan 12, 2013 - Silicone Sealants in Ultra high-rise Building Curtains - Technical Paper
The properties of the structural silicone sealant under standard condition and after aging conditions were characterized. The results showed that the...
Jan 05, 2013 - Adhesive Penetration in Beech Wood - Technical Paper
A study with synchrotron radiation X-ray tomographic microscopy (SRXTM) of PUR, PVAc, and UF adhesive bond lines in beech wood, bonded under various...
Jan 05, 2013 - Fault Detection of Adhesive Joints using Artificial Intelligence - Technical Paper
In general, non-destructive evaluation is applied to detect and localize structural faults using a signal with a wavelength smaller than the detected...
Dec 30, 2012 - Effect of Temperature on Fracture Toughness & Tensile Strength of a High Temperature Epoxy Adhesive - Technical Paper
There has been a growing requirement in the last years, particularly in the aerospace industry, for adhesives to withstand high temperatures. The most...
Dec 20, 2012 - Software for Determining Failure Criteria for Adhesively Bonded Structural Joints - Technical Paper
Adhesively bonded joints are an alternative structural technique to welded, bolted or riveted joints, presenting better load transfer and stress...
Dec 15, 2012 - Adhesives Retain Optical Clarity in High Humidity and Temperature Environments - Patent
Optically clear adhesives (OCAs) and laminates that include the adhesives are provided. The adhesives and laminates remain haze-free and are cloud...
Dec 15, 2012 - Characterization of Adhesive Joints with Dissimilar Substrates for Marine Applications - Technical Paper
The simplicity and efficiency of the adhesive joints have increased more and more their use in many fields. In ship construction the need to join...
Dec 15, 2012 - PCBs in Indoor Air Originating from Sealants - Technical Paper
Twenty-four congeners of polychlorinated biphenyls (PCBs) were measured in 83 air samples and 20 elastic sealants samples of apartments with...
Dec 08, 2012 - Effect Annealing on Mechanical Properties of a ATBN Toughened Epoxy Adhesive - Technical Paper
Amine-terminated butadiene acrylonitrile (ATBN) was applied as curing agents for diglycidyl ether of bisphenol A epoxy resin without any accelerating...
Dec 08, 2012 - Predicting Failure of Adhesive Joints with Composites - Technical Paper
Adhesively-bonded joints are increasingly used in the aeronautical industry. Adhesive joints permit the joining of complex shapes and reduce the...
Dec 02, 2012 - Characterization of Adhesive Joints with Dissimilar Substrates for Marine Applications - Technical Paper
The simplicity and efficiency of the adhesive joints have increased more and more their use in many fields. In the ship construction the need to join...
Dec 02, 2012 - Identification of Odorous Compounds from Adhesives used in Food Packaging - Technical Paper
Adhesives are often responsible for off-flavors in food in contact with packaging. The aim of this investigation was to identify by GC–O–MS the...
Dec 02, 2012 - Performance of Concrete Tunnel Sealant under Earthquake Loading - Technical Paper
This work was conducted to provide an understanding of the leakage behavior of gasketed segmental tunnel linings subjected to static ground loads and...
Nov 25, 2012 - Characterizing and Developing a Model for Adhesive Bondline Readout - Technical Paper
Visible deformation on the exterior surface of adhesively-bonded automotive body panels in the vicinity of the adhesive application line is referred...
Nov 25, 2012 - Effect of Temperature and Loading Rate on a High Temperature Epoxy Adhesive - Technical Paper
The variation of the mechanical properties of adhesives with temperature and strain rate is one of the most important factors to consider when...
Nov 16, 2012 - Effect of Hot Humid Environment on Fatigue Crack Growth of Aluminum Joints - Technical Paper
In this study, the effect of hot humid environmental exposure prior to and after adhesive curing on the fatigue crack growth (FCG) behavior of...
Nov 16, 2012 - Enhanced Biocides for Adhesives and Sealants - Patent
The present invention is directed to an antimicrobial composition, comprising pyrithione or a pyrithione complex; and a zinc or copper or silver...
Nov 16, 2012 - New test to investigate surface preparation effects on silicone sealants. - Technical Paper
A new laboratory testing method was developed to quantify the adhesive strength between concrete and sealant. The new method was used to quantify the...
Oct 29, 2012 - Improved Tensile Strength of Laminated Packaging Film by Variation in Peel Strength - Technical Paper
Good tensile strength of a laminated film for packaging is an indispensable property in preventing leakage. It is known that the peel strength between...
Oct 29, 2012 - Puncture and Tear Resistant Multi-layer Film for Covering Roofs - Patent
This invention describes a multi-layer film comprising a layer (a) and a layer (c), each layer comprising at least one propylene copolymer in a...
Oct 22, 2012 - Correlations Between Thermal Behavior and Heat Sealing of Polyolefin Films - Technical Paper
The correlation between melting behavior of a sealant and heat-sealing properties of multilayer polyolefin films was investigated. Different films...
Sep 19, 2012 - Bonded Composite Materials for use of Bearings to Reduce Energy Losses - Patent
Disclosed is a composite material and process for manufacture of a composite material that are used as bearings to reduce energy losses in rotating...
Sep 19, 2012 - New DSC Method of Determining Tg During Cure of Structural Adhesives - Technical Paper
A new DSC-based experimental method to efficiently establish the glass transition temperature, Tg, vs. curing degree, α, relationship for structural...
Sep 19, 2012 - Thermomechanical Recovery Behaviors of Cold Curing Epoxy Adhesives - Technical Paper
The thermomechanical recovery behavior of a commercial cold-curing structural epoxy adhesive was investigated. Exposing the adhesive to temperatures...
Sep 01, 2012 - An Overview of the Science and Technology of Adhesives - Technical Paper
This chapter presents an overview of the science and technology of adhesives and sealants. The chapter describes the chemistry of pressure-sensitive...
Sep 01, 2012 - Sealing battery casing by thermal fusion. - Patent
Ingress of moisture into the battery casing of the lithium battery causes a decrease in battery performance. Specifically, when moisture exists in the...
Sep 01, 2012 - Technique to Identify Non-intentional Additives in Acrylic Adhesives used for Food Packaging - Technical Paper
Acrylic adhesives are used to manufacture multilayer laminates that are used in food packaging to form the geometric shape of the package as well as...
Jul 08, 2012 - The role of service life in sustainability determinations. - Conference
Sustainability calculations are based on assumptions about the energy required to produce, transport and install in-service items. A critical...
Jun 30, 2012 - Numerical Analysis of Hybrid Bonding in Car Body Applications - Technical Paper
Nowadays, there are two fundamental issues in car body design. On the one hand, there is the need for weight reduction in order to reduce fuel...
Jun 22, 2012 - Adhesives for Damping Noise in Automobiles - Patent
This invention describes a one- or two-component adhesive containing: a) a binding agent having reactive isocyanate groups or silane groups, and b) a...
Jun 15, 2012 - One-component PVAc Wood Adhesive for D3 Level Bonding - Technical Paper
With PVA(polyvinyl alcohol) modified by glyoxal as protective colloid, VAE(ethylene-vinyl acetate copolymer) emulsion as seed emulsion, and VoeVa10...
Jun 02, 2012 - Bonding Compositions to Fluoroelastomers for High-temperature Service - Patent
Bonding compositions are provided in this invention for bonding a curable fluoroelastomer composition, and preferably a perfluoroelastomer...
Jun 02, 2012 - Monitoring Crosslinking in Composite Joints using Mechanical and Ultrasound Tests - Technical Paper
Adhesive cure is an important and determining aspect of strength and stability of bonded structures. Crosslinking of the polymer leads to the adhesive...
May 25, 2012 - Novel curing agents for improved corrosion resistant aqueous polyurethane sealants. - Patent
The invention relates to novel aqueous two-component coating agents based on hydroxy and/or amino-functional water-dilutable resins and...
May 20, 2012 - Electromechanical Impedance NDT Method for Analyzing Joints in a Corrosive Environment - Technical Paper
Various nondestructive evaluation techniques exist for structural health monitoring of structures such as acoustic emission, ultrasonic impedance, and...
May 04, 2012 - Nonhalogenated flame retardant adhesives and tapes. - Patent
This invention describes flame retardant adhesives and tape articles which include a nonhalogenated flame retardant composition comprising a...
May 04, 2012 - Urethane adhesive for producing “smart” railroad ties. - Patent
This invention describes an encapsulated railroad tie structure and its method of manufacture. A core of laminated wood slats is inserted into an...
Apr 27, 2012 - Anisotropic Conductive Adhesive under Hygothermal Aging and Thermal Cycling - Technical Paper
Mechanical properties of anisotropic conductive adhesive film (ACF) were investigated experimentally under various environmental conditions. The...
Apr 22, 2012 - Process for Measuring the Energy of Adhesion between Two Substrates - Patent
The invention relates to a structure and a process for measuring an energy of adhesion between two substrates bonded in a transverse direction. The...
Mar 24, 2012 - Prediction of bending rigidity for laminated fabric. - Technical Paper
The purpose of this study is to predict bending rigidity of laminated fabric with adhesive interlining considered tensile and in-plane compressive...
Mar 17, 2012 - Durability and interfacial degradation of epoxy-to-galvanized steel joints. - Technical Paper
This study reports on the durability of galvanized steel joints bonded with toughened epoxy adhesive formulations under the influence of temperature...
Mar 17, 2012 - Effect of humidity on bonded composite repairs in aircraft structures. - Technical Paper
In this study, an experimental work was done to analyze the effect of the humidity absorption on the mechanical properties of the adhesive Adekit A140...
Mar 11, 2012 - Finite element simulation of toughened epoxy adhesive: failure assessment. - Technical Paper
The prediction of the strength of adhesively bonded joints has been investigated using a variety of failure criteria such as maximum stress or strain,...
Feb 18, 2012 - Joint stress optimization by hybrid adhesives in lap joints. - Technical Paper
Hybrid adhesive joint is an alternative stress reduction technique for the adhesively bonded joints. Hybrid adhesive means that dual adhesives are...
Feb 18, 2012 - Multilayer thermoplastic structures having improved sealability and tearability. - Patent
The embodiments of the present invention relate to multilayer thermoplastic structures having improved sealability and tearability. More specifically,...
Feb 10, 2012 - High Temperature Adhesive Resistant to Phosphoric Acid - Patent
The present invention relates to a phosphoric acid resistant advanced polymaleimide prepolymer composition including a polymaleimide prepolymer...
Feb 04, 2012 - Behavior of ceramic tile coverings installed with double-face adhesive sheets. - Technical Paper
Ceramic tile systems comprise several layers of different materials directly connected by physical and chemical interactions. Due to these...
Jan 28, 2012 - Damage Detection and Monitoring of Adhesive Joints in Ciivil Structures - Conference
Today adhesive technology is of particular importance in different industrial sectors, for example in the automotive industry or in aerospace...
Jan 14, 2012 - Effect of Wind Uplift on Roofing Adhesives - Technical Paper
Understanding how a roof performs under wind action is crucial to improve the roof design. The present study contributes to an ongoing collaborative...
Jan 14, 2012 - Toughened Epoxy Adhesive having High Mechanical Strength from -55°C to +135°C. - Patent
A heat-curable adhesive composition is described in this patent which comprises an epoxy-resin, a combination of core-shell toughening agents, a first...
Jan 10, 2012 - Adhesion in Photovoltaic Modules - Conference
Photovoltaic modules are multilayered devices designed to withstand decades of outdoor exposure. Long lasting adhesion of the components is an...
Jan 10, 2012 - Role of service life in sustainability determinations. - Conference
Sustainability calculations are based on assumptions about the energy required to produce, transport and install in-service items. A critical...
Dec 18, 2011 - Effect of Adhesive Thickness on Low-speed Impact of Adhesively Bonded Plates - Technical Paper
This study investigates the effect of adhesive thickness on the transverse low-speed impact behavior of adhesively bonded similar (Al-Al, St-St) and...
Dec 18, 2011 - Foamable, Reactive, Two-component Adhesives - Patent
The invention relates to specific 2-component adhesives. These adhesives comprise one or more epoxy resins as a first component (E) and one or more...
Dec 18, 2011 - Redispersible Dry Mortar Powder to Increase Open Time - Patent
Tile adhesives are used to install tiles in residential and commercial buildings on floors or on walls. Depending on the local construction...
Dec 10, 2011 - New German Guideline for Strengthening Concrete with Adhesive Bonded Reinforcement - Conference
In the Federal Republic of Germany, the strengthening of reinforced concrete structures with adhesive bonded reinforcement has only been governed so...
Dec 03, 2011 - Bonded Laminated Sheet for Roof Structures - Patent
The present invention relates to a bonded matter prepared by bonding a first member to a second member with a laminated sheet, wherein a contractile...
Dec 03, 2011 - Prediction of Stress in and Adhesive Joint after Cyclic Moisture Conditioning. - Technical Paper
The durability of adhesive joints is of special concern in structural applications and moisture has been identified as one of the major factors...
Nov 26, 2011 - Effect of thermal history on adhesive modulus. - Technical Paper
Dynamic Mechanical Analysis was conducted on a polyurethane adhesive at different constant heating rates up to 100 °C, covering the glass transition...
Nov 20, 2011 - Liquid Bonding System for Providing Down-hole Cabling - Patent
Down-hole cables are found in use in many industries including those that conduct deep drilling, such as within the oil drilling industry. These...
Nov 09, 2011 - A Process of Prestressing Concrete using Epoxy Adhesives - Technical Paper
External prestressing of existing reinforced concrete (RC) beams by means of bonded fiber reinforced polymer (FRP) strips is getting more and more...
Nov 09, 2011 - New Testing Methods for Assessment of Fatigue Behavior of Adhesive Joints - Technical Paper
Adhesive joints are normally subjected to different working conditions in their service-life. This may involve both static and cyclic loadings. In...
Oct 21, 2011 - Effect of MW and test rate on peel and shear strength of epoxidized rubber adhesives. - Technical Paper
The dependence of peel strength and shear strength of epoxidized natural rubber (ENR-50)-based pressure sensitive adhesive on molecular weight and...
Oct 07, 2011 - Monitoring the Structural Integrity of Wind Turbine Blades - Patent
The present invention provides a method of monitoring the structural integrity of a wind turbine blade. The blade comprises a shell extending in a...
Sep 21, 2011 - Assessment of moisture content on uncured adhesive bonding galvanized steel. - Technical Paper
As part of a cooperative research program to develop and implement crash-resistant toughened adhesives targeted for future vehicles, this paper...
Sep 21, 2011 - Fracture and fatigue response of a self-healing epoxy adhesive. - Technical Paper
A self-healing epoxy adhesive for bonding steel substrates is demonstrated using encapsulated dicyclopentadiene (DCPD) monomer and...
Sep 11, 2011 - Room temperature cured, heat resistant adhesive for bonding ceramics. - Technical Paper
A novel adhesive for joining ceramic materials was made using silicon–epoxy interpenetrating polymer networks (IPNs) as matrix (based on silicon resin...
Aug 20, 2011 - Atmospheric Plasma Surface Preparation of Titanium for High Temperature Adhesive Bonding - Technical Paper
In this investigation surface treatment of titanium is carried out by plasma ion implantation under atmospheric pressure plasma in order to increase...
Aug 20, 2011 - Polyvinyl Acetate – Melamine Adhesive and Binder for Wood - Technical Paper
In this study blending PVA with MUF and MF was evaluated as an approach to enhance the performance of PVA towards water and elevated temperatures. MF...
Aug 13, 2011 - Estimation of Thermal stability of Epoxy Adhesive by Thermogravimetric and Strength Measurements - Technical Paper
The thermal degradation of two high temperature epoxy adhesives has been measured in terms of weight loss and adhesion loss and the lifetime...
Aug 13, 2011 - The Influence of Thread Geometry on the Performance of Retaining Anaerobic Adhesives - Technical Paper
The main aim of this work is to study the influence of the geometry of screws on torsion tests when they are retained with adhesives. The geometry of...
Aug 07, 2011 - Adhesive Strength of Fresh Fiber-reinforced Mortars - Technical Paper
Adhesive properties of fiber-reinforced joint mortars in fresh state are investigated using the probe tack test. This test consists of measuring the...
Aug 07, 2011 - Characterization of Canola Oil based Polyurethane Wood Adhesives - Technical Paper
A novel bio-based poly (ether ester) polyol containing both primary and secondary functional groups was synthesized from canola oil using a low cost... (1 Member Reaction)
Jul 23, 2011 - Effect of MW and Testing rate on Expoxidized Natural Rubber PSA - Technical Paper
The dependence of peel strength and shear strength of epoxidized natural rubber (ENR 25)-based pressure-sensitive adhesive on molecular weight and...
Jul 23, 2011 - Estimating the Stress in Sealants Subjected to Thermal Deformations - Technical Paper
A framework for linear viscoelastic analysis of sealants is presented for analyzing stresses resulting from thermally driven deformations. Assuming...
Jul 23, 2011 - Polyurethane adhesive / sealant for auto windshield applications. - Patent
A polyurethane adhesive which is useful in bonding porous and non-porous surfaces is provided. The adhesive is especially useful in bonding windshield...
Jul 23, 2011 - Pressure sensitive textile adhesive with wash durability. - Patent
A method of wash-durability bonding integrated textile emblems such as patches, emblems, labels and cut textile parts to another textile article by...
Jul 23, 2011 - Rheological and adhesion properties of acrylic PSAs. - Technical Paper
Different pressure-sensitive adhesives (PSAs) based on acrylic monomers were synthesized under different reaction conditions. The synthesized PSAs...
Jul 23, 2011 - The development of removable or repositionable UV crosslinkable acrylic PSAs. - Technical Paper
The goal of this article is to review the development of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives (PSAs) characterized by...
Jul 09, 2011 - Combining Carbon Nanotubes and Silver Flakes for New Hybrid Conductive Adhesives - Technical Paper
Combining conductive micro and nanofillers is a new way to improve electrical conductivity. Micrometric silver flakes and nanometric carbon nanotubes...
Jul 09, 2011 - Properties of Waterborne Polyurethane / Carbon Nanotube Adhesives - Technical Paper
Two series of waterborne polyurethane (WBPU)/carbon nanotube (CNT) nanocomposites were prepared with various CNT contents (0-1.50 wt%). The authors...
Jul 02, 2011 - Environmentally Friendly Silicone Sealants by Self-catalytic Crosslinking Reactions - Technical Paper
Polydimethylsiloxane (PDMS) has become a standard polymer material in micro-/nano-fabrication, and it is widely used in many cutting edge scientific...
Jul 02, 2011 - Method of Bonding a Fluoropolymer using a Silane Adhesion Promoter - Patent
A method of bonding a layer comprising a fluoropolymer capable of being crosslinked by a peroxide based curing reaction to a layer comprising a second...
Jun 18, 2011 - A Study of Crack Stress Intensity Factors on the Interface of Adhesive and Adherends - Technical Paper
Adhesive joints are widely used as the joints with the same or different adherends such as in engineering and electric devices. However, because of...
Jun 18, 2011 - Effect of Filler on the Compressive Strength of Silica Styrene-butadiene Rubber Filled Epoxy Composites - Technical Paper
The compressive failure of nanoparticle silica and styrene butadiene rubber (SBR) filled epoxy composites have been investigated in this study. ...
Jun 18, 2011 - High Performance Epoxy Adhesive Composition with Nano-sized Core Shell Particles and Toughening Agents - Patent
Thermosetting adhesive compositions are described in this invention that are formed from an epoxy resin containing nano-sized core-shell particles,...
Jun 18, 2011 - Reduced viscosity epoxy adhesives toughened with acrylate based block copolymers. - Conference
It is well known that brittle epoxy resins can be toughened through the use of self-assembling block copolymers. The purpose of this current research...
Jun 11, 2011 - Factors that are of Importance in Influencing the Properties of a Waterborne Acrylic Sealant - Technical Paper
The elongation at break and elastic recovery of the waterborne acrylic sealant were investigated. In addition the influence of plasticizer on...
Jun 11, 2011 - Monitoring Electrical Continuity for Envelope Seal Integrity - Patent
Recently, the need for privacy has become increasingly important due to changes in the laws related to the disclosure of health related medical...
Jun 11, 2011 - Toughened Two-component Epoxy Structural Adhesives with Minimal Toughening Agent - Patent
The inherent brittleness of heat cured epoxy based adhesives can be overcome by adding toughening agents to the adhesive compositions which impart...
May 28, 2011 - High performance, High Temperature Adhesives for Automotive Applications Particularly Brake Components - Patent
The invention is directed to benzoxazine containing adhesive having high adhesive strength at high temperature. These materials are especially useful...
May 21, 2011 - Bond Strength Evaluation in Composites by Laser-generated Ultrasound - Technical Paper
Adhesive bonding of composite laminates is highly efficient but is not used for joining primary aircraft structures, since there is presently no...
May 21, 2011 - Fabrication, Testing, and Analysis of Steel/composite Adhesive Joints - Technical Paper
This paper describes experimental and numerical techniques to study the structural design of double lap shear joints that are based on thick-adherend...
May 14, 2011 - Using Rosin Ester to Improve the Moisture Resistance of RTV Silicone Sealants - Technical Paper
It is necessary to improve the adhesion of the cured rubber to a substrate as it is used extensively. It is well known that an improvement in...
May 04, 2011 - Effect of Adhesive Compliance on Performance of Soft Adhesive in the Wedge Test - Technical Paper
Wedge tests are usually analyzed assuming that the free, unbonded members may be treated as cantilever beams. However, if the adhesive layer is...
May 04, 2011 - The thermo-oxidation aging of epoxy adhesives. - Technical Paper
Thermo-oxidation aging performance of an epoxy adhesive was studied, and its thermo-oxidation aging mechanism was analyzed by TG and FTIR. The...
Apr 23, 2011 - The effect of test temperature and humidity on fatigue behavior of an aluminum adhesive joint. - Technical Paper
The effects of test environment humidity and temperature on the fatigue threshold and crack growth behavior of P2-etched and commercial coil-coated...
Apr 23, 2011 - Wind uplift performance of adhesive applied roofing systems. - Technical Paper
Understanding how a roof performs under wind action is crucial to improve the roof design. The present study contributes to an ongoing collaborative...
Apr 09, 2011 - Durability of Epoxy / Aliphatic Amine Adhesives Networks - Technical Paper
The mechanical and adhesive properties of epoxy formulations based on DGEBA cured with various aliphatic amines were evaluated in the glass state. ...
Apr 02, 2011 - Aluminum substrate cleanliness and silicone rubber adhesion. - Technical Paper
The aim of this work was to determine the minimum surface cleanliness of aluminum substrates required for good and reproducible silicone rubber...
Apr 02, 2011 - Durability of sealants exposed to outdoor weathering and hot compression cycles. - Conference
Sealants play an important role in weatherproofing structures by filling gaps and preventing air and water intrusions. To ensure reliability and...
Mar 27, 2011 - Fracture and fatigue response of a self-healing epoxy adhesive. - Technical Paper
A self-healing epoxy adhesive for bonding steel substrates is demonstrated using encapsulated dicyclopentadiene (DCPD) monomer and ruthenium...
Mar 13, 2011 - Acrylic Adhesives Containing Inter-Crosslinked Polymeric Microparticles - Patent
Adhesives containing inter-crosslinked polymeric microparticles are described in this invention. The polymeric microparticles include an acrylic...
Mar 13, 2011 - Novel toughener based on polyurethane for use in structural epoxy adhesives. - Patent
This invention describes a novel impact strength modifier which is obtained by reaction of amphiphilic block copolymers. These impact modifiers are...
Feb 27, 2011 - Aqueous Epoxy Primer to Improve Adhesion of Moisture Curing Polyurethane Adhesives. - Patent
The invention relates to two-component or multicomponent aqueous epoxy resin primer compositions comprising a first component, a second component, and...
Feb 27, 2011 - Effect of Adhesive Fillet on Stress in Weld-Bonded Joints - Technical Paper
The influence of fillets with different elastic modulus on the stress distribution in a weld-bonded aluminum alloy single lap joint was investigated...
Feb 27, 2011 - Service life prediction of ceramic tiling systems. - Technical Paper
Although ceramic tiling on building facades has a history of long durability and service life, a number of service life anomalies in modern building...
Feb 19, 2011 - Investigation of thin film vs. bulk properties of structural adhesives. - Technical Paper
A combined experimental and computational investigation was performed to determine whether the material properties of structural adhesive differ...
Feb 05, 2011 - Durability of epoxy / aliphatic amine adhesives. - Technical Paper
The mechanical and adhesive properties of epoxy formulations based on DGEBA cured with various aliphatic amines were evaluated in the glassy state. ...
Jan 29, 2011 - Easy-to-open tear tape for corrugated cartons. - Technical Paper
This paper presents a novel tape, which can be used to open corrugated cartons more easily and quickly. The structure of the tear tapes consists of...
Jan 29, 2011 - Evaluation of UF adhesive performance by newly developed mechanical tests. - Technical Paper
In the open literatures, two main strategies can be found for synthesizing urea-formaldehyde (UF) resins. One is the alkaline-acid process, which...
Jan 08, 2011 - Measurement of liquid diffusion by electrochemical impedance spectroscopy (EIS). - Technical Paper
Preliminary results on a technique of electrochemical impedance spectroscopy (EIS) applied to the characterization of diffusion and absorption...
Dec 21, 2010 - Effects of UV, temperature, and moisture on aging of sealants. - Technical Paper
Photodegradation of polymeric materials leads to significant modification in both chemical properties and mechanical-rheological behaviors over time. ...
Dec 21, 2010 - Optical adhesives that diffuse visible light. - Patent
Optical adhesives that diffuse visible light are described in this invention. They include a blend of an adhesive matrix which is an optical adhesive...
Nov 29, 2010 - Overview of European Standards Dealing with Adhesives for Wood-Based Products - Technical Paper
This paper is an overview of European standards dealing with adhesive for wood-based products. No standard exists in Europe for the assessment of... (1 Member Reaction)
Nov 29, 2010 - Polyamide hot melt adhesives resistant to solvents, fuels, and oils. - Patent
Solvent-resistant polyamides having an exceptionally desirable combination of properties, including good cold flexibility, excellent impact resistance...
Nov 13, 2010 - Interpenetrating polymer networks provide properties not previously available in simple - Technical Paper
Interpenetrating polymer networks (IPNs) are a new class of polymer blend in network form in which at least one component is polymerized and I or...
May 10, 2013 - Monitoring Adhesive Integrity During Fatigue Loading with Nanotubes - Technical Paper
Sensing capabilities of carbon nanotube networks inside epoxy matrix have attracted the attention of many researchers in recent years. Since, there is...
Apr 28, 2013 - Characterization of EVA and PVB Encapsulants for PV Cells - Technical Paper
Photovoltaic (PV) module efficiency and reliability are two factors that have an important impact on the final cost of the PV electricity production....
Apr 23, 2013 - Reliability Analysis of Adhesive Bonded Stepped Lap Composite Joint - Technical Paper
Reliability analysis coupled with finite element analysis (FEA) of composite structures is computationally very demanding and requires a large number...
Apr 12, 2013 - Effect of Curing Agent on Cryogenic Properties of Epoxy Adhesives - Technical Paper
Phenyl glycidyl ether was used to react with solid metaphenylene diamine (MPDA) to produce N-(3-phenoxy-2-hydroxypropyl)-1,3-benzenediamine (NPHB)....
Apr 06, 2013 - Influence of adhesive thickness on interface fracture of metallic joints. - Technical Paper
Adhesive bonding structures are widely used in a variety of engineering fields. Their overall strength is dependent on the cohesive properties...
Apr 06, 2013 - Model for Stress Analysis of Joints with Graded Stiffness - Technical Paper
An improved analytical model is presented for the stress analysis of interface stiffness graded axisymmetric adhesive joints. The governing...
Mar 11, 2013 - Review of the Degradation of Polymer Films - Technical Paper
In this review paper the current state of research into the physical degradation of polymer films is elucidated. Modern applications of polymer...
Feb 16, 2013 - Method of Preserving Sealants Against Insect Attack - Patent
The present invention is generally directed toward the preservation of insulations and sealants and more particularly to the protection of insulation...
Feb 10, 2013 - Antimicrobial Thermoset Adhesive/Sealant Derived from Renewable Resources - Patent
The present disclosure is directed to a thermoset composition comprising a low molecular weight polytrimethylene ether glycol. This disclosure is...
Feb 10, 2013 - Effect of Hydrothermal Treatment on the Properties of Polysulfide Sealant - Technical Paper
An aviation polysulfide sealant has been soaked in a water bath at 85 ℃ to study the effects of hydrothermal treatment on this material. The...
Jan 12, 2013 - Antimicrobial Silver Silica Composite Additive for Adhesives and Sealants - Patent
The invention is directed to an antimicrobial metal composite formed by vaporizing an antimicrobial metal or antimicrobial metal salt such as silver,...
Jan 05, 2013 - Mechanical Properties of an Adhesive Joint with an Embedded Patch - Technical Paper
In this study, stress analysis of double-strap joints used to fasten parts, particularly in aircraft and automotive industries and in the repair of...
Jan 05, 2013 - Moisture Barrier Potting Compound - Patent
The moisture barrier potting composition described in this invention includes an olefinic polymer, a polyethylene wax, a silane, an antioxidant, and a...
Dec 30, 2012 - Prediction of Failure Loads of CRFP to Steel Adhesive Joints - Technical Paper
The use of bolted or welded elements to upgrade metallic structures has been a common practice for many years. Moreover, the use of adhesively bonded...
Dec 08, 2012 - Effects of Humid Environments on Thermal and Mechanical Properties of an Epoxy Adhesive - Technical Paper
The effects of exposure to different humid environments in a commercial cold-cured epoxy adhesive were investigated. Samples were exposed up to one...
Nov 25, 2012 - New Non-contact Method to Determine Surface Free Energy on Macro-areas - Technical Paper
Surface free energy (SFE) is a property which depends on the chemical state and roughness of the surface and it is necessary to develop a reliable...
Nov 16, 2012 - Coating Adhesion Loss due to Stretching - Technical Paper
Polymer coated sheet metals are widely used for part fabrication in industry. To ensure that the manufactured products can meet the service life...
Nov 03, 2012 - Geometric Factors of Importance in Determining Lap Joint Strength and Design - Technical Paper
Too often adhesive thickness, adherend thickness and other geometric factors are not explicitly considered in adhesive joint design. This study...
Oct 22, 2012 - Method of Measuring Shear Strength of Soft Tissue Adhesives - Technical Paper
A method for evaluating strength of adhesives for hydrogels and soft tissues is presented. Quantitative measurements of shear strength for...
Oct 22, 2012 - Tensile Behavior of Epoxy Pastes using Cylindrical Block Specimens - Technical Paper
Toughened epoxy adhesives are frequently used to bond metals and polymer-matrix composite materials in many structural applications. The mechanical...
Sep 19, 2012 - New testing procedure for evaluation surface preparation effects on silicone sealant. - Conference
A new laboratory testing method was developed to quantify the adhesive strength between concrete and sealant. The new method was used to quantify the...
Sep 08, 2012 - Modeling of Steel Joints with Toughened Adhesive for Vehicle Crash Simulations - Technical Paper
Keeping improvement of the structural adhesive increases the difficulties in crash simulations of adhesive-bonded vehicle structures. In this paper, a...
Sep 08, 2012 - Strength and Interface Failure Mechanism of Adhesive Joints - Technical Paper
Adhesive joints have a wide range of applications in the civil engineering, automotive and aircraft industries. In the present research, the finite...
Sep 01, 2012 - Adhesion of PSAs to Cast Iron and Low Surface Energy Materials - Technical Paper
The surfaces of the drying cylinders of paper machine in the early part of the drying section are susceptible to deposition; sticky contaminants...
Sep 01, 2012 - Influence of Geometry on Coaxial Adhesive Joints - Technical Paper
More and more accurate models have been developed for describing the mechanical behavior of an adhesive in an assembly which allow to numerically...
Aug 25, 2012 - Effect of Humid Environment and Properties of a Cold-curing Epoxy Adhesive - Technical Paper
The effects of exposure to different humid environments in a commercial cold-cured epoxy adhesive were investigated. Samples were exposed up to one...
Jul 28, 2012 - Adhesive Joints for Structural Timber / Glass Applications - Technical Paper
A study of three different adhesives, silicone, acrylate and polyurethane, intended for adhesive joints in structural timber/glass applications is...
Jul 28, 2012 - Impact Resistant Polyurethane Based Adhesive - Patent
The present invention relates to a polymerizable composition, containing at least one benzoxazine compound and certain oligomeric or polymeric... (1 Member Reaction)
Jul 15, 2012 - FEA Analysis of Assembly Parameters on Metal-composite Joints - Technical Paper
This paper presents a numerical analysis of the influence on the fatigue life of hybrid metal/CFRP bolted joints of some deviations in certain...
Jul 08, 2012 - Adhesion at Interphase of Geopolymer and Cement Mortar Under Compression - Technical Paper
Based on a simple mechanical model that elucidates the effects of distinct components of a cement mortar specimen that contains a geopolymer...
Jul 08, 2012 - Analysis of an Adhesive Joint with Mismatched Strain - Technical Paper
This paper proposes the study of the equilibrium problem, where two elastic bodies are bonded to a thin elastic film under mismatch strain conditions...
Jun 30, 2012 - Effect of Residual Stress on the Propagation of Cracks in Dissimilar Brittle Materials - Technical Paper
A methodology is proposed in this paper to assess the contribution of residual stresses to the debonding risk in multilayers used as cells for energy...
Jun 30, 2012 - Failure Analysis of Laminates under Uniaxial Loading - Technical Paper
Tension tests on three different types of T700/EPOXY unidirectional laminates single-lap adhesive joints under uniaxial tensile loading were performed...
Jun 30, 2012 - Modeling of Bending for Timber Connections with Glued-in Rods - Technical Paper
The behavior of glued-in ribbed steel bars in timber beam-to-beam connections has been analyzed experimentally and numerically. The experimental...
Jun 22, 2012 - Analysis of Adhesive and Cohesive Cracking at Rough Surfaces - Technical Paper
Macroscopic delamination of polymer-metal interfaces is one of the main failure modes observed in micro-electronic components. Due to the irregularly...
Jun 22, 2012 - Strength and fatigue properties of adhesive bonded composite components. - Technical Paper
The composites possess many useful properties like high specific strength, good fatigue resistance, good shock absorption performance, and performance...
Jun 15, 2012 - Accelerated Aging Creep Behavior of Polydimethylsiloxane Adhesives - Technical Paper
In this study, the nanoindentation creep behavior of untreated and ultraviolet (UV) treated polydimethylsiloxane (PDMS) samples was investigated,...
Jun 15, 2012 - Thermography NDT of metal to metal adhesive bonds. - Technical Paper
Adhesive bonding is widely used in the automotive industry in recent times. One of the major problems with adhesive bonds is the lack of a suitable...
Jun 02, 2012 - Compression Behavior of Butt Joints of Aluminum Core Sandwiches. - Technical Paper
Aluminum honeycomb core sandwich panels are now commercially available and are widely used as light weight materials in aircraft, naval and other...
Jun 02, 2012 - Experimental Verification of a Model for FRP to Steel Beam Adhesive Joints - Technical Paper
A new design model for adhesive joints used to bond fiber reinforced polymer, FRP, laminates to steel beams was presented in part A of this paper...
Jun 02, 2012 - Long-term Tearing Strength of Adhesive Bonds - Technical Paper
In this study, an attempt is made to connect long-term strength with a stressed state in an adhesive bond intended to be tested for normal tearing in...
Jun 02, 2012 - Toughened, heat resistant structural epoxy adhesive. - Patent
Epoxy adhesive compositions are described in this invention that comprises a rubber-modified epoxy resin containing a bisphenol. The bisphenol can be...
May 25, 2012 - Model to predict penetration of adhesive into hardwood. - Technical Paper
An analytical model to predict the penetration of adhesives into hardwood is proposed. Penetration into hardwood is dominated by the vessel network...
May 25, 2012 - Phosphate Pretreatment of Magnesium for Hot and Humid Environments - Technical Paper
An innovative phosphate–permanganate surface treatment (PPT) was developed to improve the static strength of adhesive-bonded 4 mm thick magnesium AZ31...
May 04, 2012 - Design Model for FRP to Steel Beam Bonded Joints - Technical Paper
The strengthening and repair of existing structures using bonded carbon fiber reinforced polymer, CFRP, laminates has attracted a great deal of...
May 04, 2012 - Modeling and simulation of bonded joints with a flexible adhesive. - Technical Paper
The paper deals with material parameters identification of a flexible adhesive and the numerical simulation of its behavior in a single lap bonded...
Apr 27, 2012 - Prediction of rigidity of laminated fabric with adhesive interlining. - Technical Paper
The purpose of this study is to predict bending rigidity of laminated fabric with adhesive interlining considered tensile and in-plane compressive...
Apr 27, 2012 - Reliability of 50 year old urea formaldehyde wood adhesive. - Technical Paper
In this present study, fifty year old urea formaldehyde bonds of a glider structure were tested. Based on the tensile shear strength of lap joint...
Apr 22, 2012 - Experimental and Numerical Analysis of Adhesively Bonded Timber Joints - Technical Paper
Adhesively bonding of timber structural elements provides new opportunities as it is well adapted for the anisotropic and fibrous nature of the...
Apr 15, 2012 - Adhesive penetration of beech wood. - Technical Paper
A study with synchrotron radiation X-ray topographic microscopy (SRXTM) of PUR, PVAc, and UF adhesive bond lines in beech wood, bonded under various...
Apr 15, 2012 - Strength prediction of adhesively bonded timber joints. - Technical Paper
The strength prediction of adhesively bonded timber joints is difficult due to the anisotropic and brittle nature of the adherends, the complex stress...
Mar 17, 2012 - Influence of adhesive dimensions on the free vibration of cantilevered beams. - Technical Paper
This paper studies the influence of adhesive dimensions on the transverse free vibration of the single-lap adhesive cantilevered beams. The researches...
Mar 11, 2012 - Vibration analysis of lap joint with non-uniform adhesive thickness. - Technical Paper
This paper deals with the analytical and experimental vibration analysis of the single lap adhesive joint with non-uniform adhesive thickness. In the...
Mar 03, 2012 - Effect of humid environment on thermal and mechanical properties of an epoxy adhesive. - Technical Paper
The effects of exposure to different humid environments in a commercial cold-cured epoxy adhesive were investigated. Samples were exposed up to one...
Mar 03, 2012 - Reliability Analysis of Scarf Joints - Technical Paper
A probabilistic model for the reliability analysis of adhesive bonded scarfed lap joints subjected to static loading is developed. It is...
Feb 25, 2012 - Mixed mode bending test for fracture toughness of composites bond. - Technical Paper
This paper describes the mixed-mode bending test fracture toughness of composite adhesive J116-b. The test theory and experimental requirements are...
Feb 25, 2012 - On-line Adhesive Bond Inspection via Dynamic Electrode Displacement Method - Technical Paper
Adhesive bonding technology has become one effective joining technology instead of the traditional spot-welding especially for AHSS materials. But...
Feb 18, 2012 - Crack propagation through glass – adhesive interface driven by dynamic loading. - Technical Paper
Dynamic crack behaviors at glass interfaces were investigated to understand dynamic failure mechanisms of glass. To produce highly intensive and...
Feb 18, 2012 - Rubber asphalt waterproofing adhesive layer in bridge deck pavement. - Technical Paper
This invention describe the use of rubber asphalt pavement as a bridge deck waterproofing adhesive layer material, the use of shear test and pull-out...
Feb 10, 2012 - A New Model for Adhesive Performance in CFRP-steel Composite Systems - Technical Paper
Debonding of CFRP from steel surface is an important issue in the field of strengthening of steel structures. In this paper, a new method for analysis...
Feb 10, 2012 - Design Model for FRP Laminates Bonded to Steel Beams - Technical Paper
A new design model for adhesive joints used to bond fiber reinforced polymer, FRP, laminates to steel beams was presented in part A of this paper....
Feb 04, 2012 - Effect of support on stress distribution in adhesive joints. - Technical Paper
The aim of this paper is to investigate the effect of supports on the actual stress distribution of the single-lap adhesive joints under tension using...
Feb 04, 2012 - Influence of adhesion dimensions on free vibration of single lap cantilever beams. - Technical Paper
This paper studies the influence of adhesive dimensions on the transverse free vibration of the single-lap adhesive cantilevered beams. The research...
Jan 21, 2012 - Ratcheting Behavior of Conductive Aadhesive Film under Cyclic Tension - Technical Paper
Polymer-based conductive adhesive materials have become widely used in many electronic packaging interconnect applications. Uniaxial ratcheting...
Jan 14, 2012 - Assessing Heat Activated Adhesive Emulsions for Tack - Technical Paper
The use of conventional emulsions for tack coats can cause problems as they frequently stick to the tires of construction vehicles. Consequently, the...
Jan 14, 2012 - Microdominated emulsion polymer for PSAs and binders. - Patent
A microdominated aqueous emulsion polymer is provided. The polymer comprises a first domain having a Tg of from −80° to −10° C. and comprising from 80...
Jan 10, 2012 - Future Trends in Roof Mounted PV Modules - Conference
PV is no longer just a fad. It is a burgeoning industry with falling prices, rising efficiencies, public policies and financial incentives that ensure...
Jan 01, 2012 - Crack Path in Fresh and Degraded Epoxy Adhesive Joints - Technical Paper
The crack paths and fracture surfaces of aluminum–epoxy adhesive joints were characterized as a function of the mode ratio of loading and the amount...
Dec 18, 2011 - Method of Manufacturing a Thin Film Solar Cell - Patent
A method of manufacturing a thin film solar cell includes a bonding step of bonding a bus bar on a back face electrode layer of a solar cell string...
Dec 18, 2011 - Water Blocking Tape for Cable Applied via Ultrasonic Bonding - Patent
The invention provides a water blocking tape for use in a variety of cable designs, such as power cable, data communications cable and...
Dec 10, 2011 - Bending Properties of Wood I-sections Fabricated with Screws and PU Adhesives - Conference
A series of laboratory tests were undertaken to quantify the effect of section shape on bending strength and stiffness. Selected for analysis were...
Dec 03, 2011 - Delamination Failures of Multilaminated Adhesive Joints at Low Temperatures. - Technical Paper
A series of experimental investigations of multilaminated joints adhesively bonded by epoxy/polyurethane (PU) glue were conducted in order to examine...
Dec 03, 2011 - Fracture toughness and shear strength of composite bonded with a novel aerospace adhesive. - Technical Paper
In this paper, the mechanical performance of the newly developed LMB aerospace structural adhesive has been characterized experimentally. To this end,...
Dec 03, 2011 - Impermeable composite prepreg that can be used as an adhesive. - Patent
This invention discloses a prepreg composite material that includes a fiber layer and a resin comprising a thermoset resin component, a curing agent...
Nov 26, 2011 - Influence of shrinkage and water transport on crack formation of tile adhesive mortars. - Technical Paper
Shrinkage and expansion of cementitious materials like tile adhesive mortars depend on the presence of water as well as on the drying and rewetting...
Oct 31, 2011 - The influence of moisture on the deformability of cement-adhesive mortar. - Technical Paper
Adhesive mortars are widely used to set porcelain stoneware tiles on buildings because their bond strength and flexibility properties increase the...
Oct 21, 2011 - Accelerated curing of PVAc adhesive on plasma treated wood veneers. - Technical Paper
In this study the effect of plasma treatment at atmospheric pressure of wood veneers on the curing behavior of a PVAc adhesive was investigated....
Oct 21, 2011 - Analysis of wood-adhesive interface. - Technical Paper
The wood–adhesive interface was analyzed using five methods with the objective of quantitatively assessing penetration of adhesive into the porous...
Oct 14, 2011 - Debonding Failure Mechanism Under Cryogenic Temperatures - Technical Paper
In this paper, the debonding failure characteristics of epoxy and polyurethane adhesives embedded using a multi-laminated bonding system (MLBS) under...
Oct 14, 2011 - Method of making ballistic resistant panels. - Patent
A ballistic panel is described in this patent that comprises a ballistic-resistant component and a cover that comprises a laminate comprising (i) a...
Oct 07, 2011 - Review of Finite Analysis Methods for Adhesively Bonded Joints - Technical Paper
The need to design lightweight structures and the increased use of lightweight materials in industrial fields, have led to wide use of adhesive ...
Oct 05, 2011 - Addition of Calcium Carbonate Filler to Thermoplastic Polyurethane Adhesives - Technical Paper
Precipitated calcium carbonate filler (PCC) was added to a thermoplastic polyurethane adhesive (TPU). The addition of PCC produced a moderate increase...
Oct 05, 2011 - Method for Manufacturing a PV Panel with an Integrated Getter Material - Patent
In modern photovoltaic panel design, it is important to make sure the solar panel construction remains dry during its service life. Moisture ingress...
Sep 21, 2011 - Bond durability between carbon fiber sheet reinforcement and concrete in an outdoor environment. - Technical Paper
The authors set out to investigate the durability of the bond between carbon fiber (CF) sheet reinforcement and concrete. They conducted an outdoor...
Sep 21, 2011 - Nanoclay modified polyvinyl acetate wood adhesive. - Technical Paper
Polyvinyl acetate (PVA), a thermoplastic polymer, has poor performance at elevated temperatures and humid conditions as a wood adhesive. Two types of...
Sep 03, 2011 - Cement Paste – Epoxy Adhesive Interactions - Technical Paper
In the field of civil engineering, the durability of concrete assemblies using adhesives is widely conditioned by the properties of the interface...
Sep 03, 2011 - Failure Processes of Hybrid (Adhesive Bonded and Riveted) Aluminum Joints - Technical Paper
The aim of this article was the analysis of the damage and failure behavior of the hybrid joint which consisted of: three aluminum plates (adherents),...
Aug 27, 2011 - Anomalous Behavior of Freeze-stored Epoxy Adhesive Systems - Technical Paper
Freeze storage of adhesives has been an industry-wide practice for a long time. However, when the technique was applied to an epoxy adhesive,...
Aug 27, 2011 - Durability of adhesive based on epoxy / aliphatic amine networks. - Technical Paper
The mechanical and adhesives properties of epoxy formulations based on diglycidyl ether of bisphenol A cured with various aliphatic amines were...
Aug 20, 2011 - FEM Stress Analysis of Joints Exposed to Impact Load - Technical Paper
The stress wave propagations and interface stress distributions in the single-lap adhesive joint under impact tensile loads are analyzed using the...
Aug 20, 2011 - Recently Developed Tests for Evaluating Urea-formaldehyde Adhesives - Technical Paper
In the open literature, two main strategies can be found for synthesizing urea-formaldehyde (UF) resins. One is the alkaline–acid process, which takes...
Aug 13, 2011 - Fatigue Life Evaluation of Electrically Conductive Adhesive Film Joints - Technical Paper
The shear fatigue lives of anisotropic conductive adhesive film (ACF) joints were evaluated experimentally and theoretically under different testing...
Aug 13, 2011 - Lightweight, High Strength Building Structure - Patent
A high strength, lightweight building structure comprising a high-strength connection to a foundation, high-strength eaves, and high-strength...
Aug 13, 2011 - The Thermo-viscoelastic Response as a Tool in Determining Stress Distribution - Technical Paper
The aim of this work is to propose a numerical model of a bonded joint that takes into account the thermoviscoelastic response of the adhesive to...
Aug 07, 2011 - Effect of Adhesive Thickness on Fatigue and Fracture of Toughened Epoxy Joints - Technical Paper
The effect of bondline thickness on the fatigue and fracture of aluminum adhesive joints bonded using a rubber-toughened epoxy adhesive was studied...
Jul 23, 2011 - Detecting Differences of Acrylic and Natural Rubber PSA Tapes via Analytical Techniques - Technical Paper
Pressure sensitive adhesives (PSAs) of colorless and transparent oriented polypropylene (OPP) adhesive tapes were analyzed by pyrolysis/gas...
Jul 23, 2011 - Determining Fracture Energy from Wedge-peel Tests - Technical Paper
Analytical solutions for calculating the adhesive fracture energy from wedge-peel tests, where significant energy is absorbed by deformation of the...
Jul 23, 2011 - Stress estimation of joints having adherends with different curvatures. - Technical Paper
The residual stresses in an adhesive layer between adherends with different curvatures were investigated analytically assuming the adherends as linear...
Jul 23, 2011 - Thixotropic, ambient temperature cure adhesive for reinforcing timber structures. - Technical Paper
The technology for bonding rods into timber structures for repair, reinforcement and forming primary connections is now well established. An ambient...
Jul 09, 2011 - Characterization of Electrical Tape Adhesives for Forensic Analysis - Technical Paper
This study involved the comparative analysis and discrimination of 90 electrical tape adhesives. The objectives included the evaluation of the ability...
Jul 09, 2011 - New Printed Circuit Board Test to Compare Shear Properties of Electronic Adhesives - Technical Paper
Printed circuit board-level integrated circuit shear test was used to compare the shear properties of ten groups of thin core ball grid array (TCBGA)...
Jul 02, 2011 - Dwell Time Effect in Pressure Sensitive Adhesive Bonded Laminates - Conference
The phenomenon of increasing bond strength with time is well known for many forms of glued joints and is especially important for pressure sensitive...
Jun 18, 2011 - Applications of Optical Adhesives in Instrument Engineering - Technical Paper
A variety of adhesives produced at the enterprise, including optical, melt, and current-conducting adhesives, is presented. The technical...
Jun 18, 2011 - Fatigue Modeling and Testing of Adhesive Joints in Auto Structures - Conference
The objective of this study is to estimate fatigue life of adhesive joints in bonded automotive components. This is complicated by some practical...
Jun 18, 2011 - The use of micro-tomography to study high performance sandwich structures. - Technical Paper
Although x-radiography has been widely used in studies of damage in composite materials, micro-tomography has received less attention due to the high...
Jun 11, 2011 - Accelerated Aging Behavior of the Adhesive Bond Between Concrete and CFRP Overlays - Technical Paper
In this paper, the durability of the adhesive bond between concrete and carbon fiber reinforced polymers (CFRP) strengthening systems has been...
Jun 11, 2011 - Food Container Bags having a Water-impervious Base Manufactured with a Water-based Adhesive - Patent
Traditional self-opening bags are commonly used for food packaging applications. These bags are generally formed from a paper ply having a base...
Jun 06, 2011 - Bookbinding Adhesive Processes Used for Paperback Books - Technical Paper
The major commercial bookbinding technique in use today is perfect binding (or adhesive binding). This process was originally used for paperback...
Jun 06, 2011 - Fatigue Behavior of Riveted Joints Assembled With and Without Sealant - Technical Paper
Fatigue tests on double shear riveted specimens were carried out. The substrate material was an aluminum alloy. Specimen surfaces were protected by...
May 28, 2011 - Analysis of an Adhesive Joint with an Interfacial Crack and a Void - Technical Paper
The authors use first-order shear deformation plate theory (FSDT) to analyze stress in two layers bonded together with an adhesive as recommended by...
May 21, 2011 - Effect of Bond Line Thickness on Adhesive Strength in Rubber Toughened Epoxies - Conference
The fracture behavior for structural adhesive often exhibits a pronounced bond line thickness dependence. The objective of this work is to examine...
May 14, 2011 - A review of composite bonding. - Technical Paper
Past and on-going research work on adhesive bonding in composite and sandwich structures are reviewed in this paper. Discussion is emphasized on the...
May 14, 2011 - Structural adhesive with improved low temperature impact strength. - Patent
This invention relates to improvement in or relating to activatable structural adhesives and in particular to structural adhesives that are used for...
May 04, 2011 - Improvement in Adhesive Toughness Measurement - Technical Paper
The double cantilever beam (DCB) method for adhesive toughness measurement was improved by incorporating a sufficiently sharp crack made by a...
May 04, 2011 - Stress and Strain Analysis of Single Lap Joints with Rounded Corners, - Technical Paper
One of the major difficulties in designing adhesive lap joints is the stress singularity present at the adherend corners at the ends of the overlap. ...
Apr 23, 2011 - A Review of Finite Element Analysis of Fatigue Behavior in Bonded Joints - Technical Paper
Adhesive bonding is a high-speed fastening method which is suitable for joining advanced lightweight sheet materials that are hard to weld. Latest...
Apr 02, 2011 - A New model to Describe Large Deformations of Pressure Sensitive Adhesives - Technical Paper
A material model to describe large deformation of pressure sensitive adhesive (PSA) is presented. A relationship between stress and strain of PSA...
Mar 27, 2011 - High strength epoxy adhesive with improved crash resistance and other properties. - Patent
The invention describes a curable adhesive composition comprising: (1) one or more epoxy resins, (2) one or more toughening agents, (3) one or more...
Mar 17, 2011 - PSA Promises Clean Sheet for Recycling - Patent
A pressure sensitive adhesive's storage modulus controls clean removal from components to be recycled, according to Hiroshi Wada from Japanese...
Mar 13, 2011 - Characterization of Wet Tg to Indicate Joint Durability - Conference
Glass transition temperature (Tg) is often used to predict the elevated temperature performance of structural epoxy based adhesive in the aerospace...
Mar 13, 2011 - Effect of Moisture in the Uncured Adhesive on Strength of Steel Joints - Technical Paper
Experiments to characterize the effect of moisture content in uncured adhesive on static strength of bonded galvanized DP600 steel joints were...
Mar 13, 2011 - FRP to concrete bonds for reinforcing concrete beams. - Technical Paper
This paper concerns bond behavior between composite carbon fiber reinforced polymer (CFRP) materials and concrete in externally bonded and near...
Mar 13, 2011 - Stress intensity factors due to mismatch of bonded substrates. - Technical Paper
Adhesive joints are widely used as the joints with the same or different adherends, such as in engineering and electronic devices. However, because...
Mar 05, 2011 - Effect of Joint Geometry on the Tensile Properties of AISI 1350 Steel Joints - Technical Paper
Adhesive bonding is used increasingly in the automotive industry to join structural components of metallic materials. The aim of this experimental...
Mar 05, 2011 - Evaluation of Bonding Strength and Fracture Toughness of Adhesive Joints - Technical Paper
A systematic experimental investigation to determine the shear, tensile, and fracture properties of adhesive joints bonded with the same-type...
Feb 27, 2011 - Improvement in the measurement of adhesive toughness using the double cantilever beam. - Technical Paper
The double cantilever beam (DCB) method for adhesive toughness measurement was improved by incorporating a sufficiently sharp crack made by a...
Feb 27, 2011 - The effect of delamination defects in tubular adhesive joints made of composite. - Technical Paper
Adhesive joints are used effectively to join composite to composite or to dissimilar materials. Components made of composites may contain some...
Feb 19, 2011 - Testing of composite adhesive bonds by laser shockwave. - Technical Paper
Adhesive bonding, particularly of composite laminates, presents many practical advantages when compared to other joining methods, but its use is...
Feb 13, 2011 - Fatigue Crack Growth in Adhesive Joints with Intermittent Impacts - Technical Paper
The use of structural adhesives to join carbon fiber reinforced polymer (CFRP) adherends is now well established in the aerospace industry. These...
Feb 05, 2011 - Assessment of soft adhesive with the wedge test. - Technical Paper
Wedge tests are usually analyzed assuming that the free, unbonded members may be treated as cantilever beams. However, if the adhesive layer is...
Feb 05, 2011 - Modification of bisphenol A epoxy adhesives using nanomaterials. - Technical Paper
Color-stable hydrogenated bisphenol-A epoxy adhesive containing organic-inorganic hybrid nanomaterials were prepared and their properties...
Feb 05, 2011 - Solvent free polyurethane adhesive for bonding low surface energy substrates. - Patent
Substrates, particularly low surface energy substrates, can be bonded using certain solvent-free liquid polyurethane adhesive. The adhesive cures...
Jan 29, 2011 - Fatigue life prediction of bonded lap joints. - Technical Paper
Better fatigue performance of adhesively bonded joints makes them suitable for most structural applications. However, predicting the service life of...
Jan 23, 2011 - Hygrothermal degradation in fracture toughness of rubber toughened epoxy adhesives. - Technical Paper
The absorption / desorption properties of two commercial, toughened epoxy adhesive systems were evaluated gravimetrically, and by x-ray photoelectron...
Jan 23, 2011 - Influence of Structural Sealant Size on the Mechanical Behavior of Curtain Walls - Technical Paper
The influence of structural sealant size on the mechanical behavior of hidden frame curtain wall was analyzed by using uniform negative pressure...
Jan 08, 2011 - Aramid filled polyimide adhesive with advantageous thermal expansion properties. - Patent
The invention is directed to polyimide adhesives having a coefficient of thermal expansion (CTE) equal to or below 50 ppm/°C. The adhesive of this...
Jan 08, 2011 - Effect of adhesive geometry on the tensile properties of AISI 1350 steel used in the auto industry. - Technical Paper
Adhesive bonding is increasingly utilized in the automotive industry to join structural components of metallic materials. The aim of this...
Jan 08, 2011 - Effect of nano- and micro-particle additions on epoxy adhesive moisture absorption. - Technical Paper
The in-situ bonding of pultruded fiber reinforced plastic rods into timber structural members is a commonly used technique for making timber-to-timber...
Jan 08, 2011 - New material model for describing deformation of pressure sensitive adhesives. - Technical Paper
A material model to describe large deformation of pressure sensitive adhesive (PSA) is presented. A relationship between stress and strain of PSA...
Jan 03, 2011 - Comparison of the behavior of stiff and flexible adhesive joints for the automotive industry. - Technical Paper
Adhesive bonding is increasingly being used in structural applications such as automotive joints. The theoretical analyses and experimental data are...
Jan 03, 2011 - Deterioration of encapsulated PV modules after long term operation in Thailand. - Technical Paper
Cumulative installed PV wattage in Thailand since the 1980s was over 30 MW. A typical module would have a structure of glass-EVA-cell-EVA-Tedlar...
Jan 03, 2011 - Improving epoxy adhesive with zirconia nanoparticles. - Technical Paper
Zirconia nanoparticles were synthesized by a sol-gel route and dispersed into an epoxy base for structural adhesives. Nanoparticles were used...
Jan 03, 2011 - Influence of thickness on cohesive properties of an epoxy adhesive. - Technical Paper
Cohesive laws are determined for different layer thicknesses of an engineering adhesive. The shape of the cohesive law depends on the adhesive layer...
Dec 21, 2010 - Finite element analysis of double lap adhesive joints using the split Hopkinson pressure bar. - Technical Paper
Adhesively bonded assemblies are in increasing use in multiple engineering applications. However, they can endure impact loads. The measurement of...
Dec 21, 2010 - Temperature dependence of the fracture toughness of aerospace joints bonded with RTV silicone adhesive. - Technical Paper
Adhesives used in structural high temperature space and aerospace applications must operate in extreme environments. They need to exhibit high...
Dec 04, 2010 - Effect of a bi-adhesive on the stress distribution of a weld-bonded joint. - Conference
The effect of bi-adhesive on the stress distribution in aluminum alloy weld-bonded single lap joints was investigated using elasto-plastic finite...
Nov 29, 2010 - Building sealants as a source of PCBs in the environment. - Technical Paper
To investigate the significance of building sealants as a remaining source of PCBs to the environment, a combined measurement campaign and GIS-based...
Nov 29, 2010 - Overview of adhesive technology in view of their potential risks for environment and human health. - Technical Paper
An overview of the state of the art in adhesive technology and the different kinds of adhesives, their components, and their preferred applications...
Nov 13, 2010 - PSA prevents optical film shrinkage during exposure to high temperature and humidity. - Technical Paper
Pressure sensitive adhesives (PSAs), were synthesized in this study. The function of the new adhesive is to prevent an optical film from shrinking...
Nov 05, 2010 - Dynamic shear strength of metal-to-composite joints used in aerospace and automotive industries. - Technical Paper
The use of adhesive joints has gained good acceptance in the automotive and aerospace industries in recent years, particularly for joining glass fiber...
Nov 05, 2010 - Hot-weather healing mechanism in asphalt-based crack sealants. - Conference
Crack sealing may be one of the most cost effective and frequently used methods of pavement preservation. Sealing cracks in asphalt pavements helps...
Oct 30, 2010 - Application of FTIR-ATR for quality control of pressure sensitive adhesives - Patent
This paper presents the application of infrared spectroscopy in conjunction with chemometric methods for quality control in adhesive manufacturing. ...
Oct 30, 2010 - Finite element analysis of FRP adhesive joints using a coupled axial / bending analysis - Technical Paper
In this paper a finite element analysis (FEA) of the behavior of adhesive joints between FRP adherends is presented. In particular, double lap...
Oct 19, 2010 - Double shear joint for bonding composites. - Patent
Described in this invention is a bonded composite joint that is represented by a double shear joint comprising a T-shaped foot bonded on one panel...
Oct 19, 2010 - Dynamic shear strength of adhesive joints made of metallic and composite substrates. - Technical Paper
The use of adhesive joints has gained good acceptance in the automotive and aerospace industries in recent years, particularly for joining glass fiber...
Oct 19, 2010 - Studies on the bonding strength of toughened adhesives to galvannealed steel in the auto industry. - Conference
Adhesive bonding technology is rapidly gaining acceptance as an alternative to spot welding. The technology is helping automobile manufacturers...
Oct 19, 2010 - Tack and shear properties of SBR using gum rosin and petro resin as tackifiers. - Technical Paper
Tack and shear strength of styrene butadiene rubber (SBR) based pressure sensitive adhesives were studied using gum rosin and petro resin as the...
Oct 19, 2010 - Thermomechanical analysis of conductive adhesives to determine changes in cure caused by chemical processes. - Conference
Mechanical properties of isotropically conductive adhesive depends not just on the internal structure and composition (amount and type of binder and...
Oct 11, 2010 - Test methods of determining mechanical properties of structural adhesives. - Technical Paper
One of the greatest drawbacks to predicting the behavior of bonded joints has been the lack of reliable data on the mechanical properties of...
Sep 29, 2010 - Analysis of scarf joints subjected to static tensile loading. - Technical Paper
The stress distribution in scarf adhesive joints under static tensile loading are analyzed using three dimensional finite element calculations. The...
Sep 29, 2010 - Atmospheric plasma treatments and the failure mechanism of adhesive bonded plastic joints. - Technical Paper
In this investigation the effects of atmospheric pressure plasma treatment on the surface energy of PEEK and carbon fiber and glass fiber reinforced...
Sep 29, 2010 - Effect of cure temperature on the thermomechanical properties of an adhesive. - Technical Paper
The origin of this work takes place in the framework of an industrial collaboration in order to study the behavior of a mechanical joint used in the...
Sep 29, 2010 - Epoxy composition with a high degree of cure and strength at relatively low cure temperatures. - Patent
Polymer compositions capable of a high degree of curing at relatively low temperatures are described in this invention. These compositions can be...
Sep 29, 2010 - Polyurethane adhesives for glass and ceramic substrates over a wide temperature range. - Patent
The invention relates to polyurethane compositions which are based on polyurethane polymers having isocyanate groups and at least one tertiary amine...
Sep 29, 2010 - Rework and repair of composite structures by adhesive bonding of tailored patches. - Patent
There exists a need for a composite rework patch and a method of reworking inconsistent areas of composite structures, while allowing the condition of...
Sep 29, 2010 - The effect of temperature on the mechanical properties of adhesive for the auto industry. - Technical Paper
The application of adhesively bonded joints in structural components made of composite materials for the automotive industry applications has...
Sep 15, 2010 - Analysis of steel adhesive joints reinforced by rivets. - Technical Paper
This paper deals with experimental investigation of steel adhesive double lap joints reinforced by rivets. This type of structure can be applied in...
Sep 15, 2010 - Failure analysis and modeling of bonded T-peel joints. - Technical Paper
This paper describes an efficient procedure for the failure analysis of bonded structures. It is based on standard finite element techniques. The...
Sep 09, 2010 - Disappearing particles make LCD connections clearer - Patent
Hitachi Chemical has developed an anisotropically conductive adhesive (ACA) that makes it easier to see if opaque metal electrodes on glass sheets are...
Sep 05, 2010 - Model for calculating the strength of adhesive joints intended for service in sea water. - Patent
The application of adhesive in the joining of materials is limited not only by the impossibility of accurately calculating the strength of an adhesive...
Sep 05, 2010 - Moisture curable polyurethane adhesive for lamination and bonding to FRP. - Patent
This invention relates to polyurethane prepolymer containing adhesives that are liquid at room temperature and that do not phase separate under...
Sep 05, 2010 - Toughening agents for epoxy resins based on isocyanate. - Patent
The invention relates to curable compositions comprising (1) N-arylated benzoxazines and (2) a prepolymer from a diisocyanate having two isocyanate...
Aug 28, 2010 - Epoxy adhesives reinforced with carbon nanotubes to bond aluminum plates. - Technical Paper
Carbon nanotube reinforced epoxy was developed to use as adhesives. Mechanical stirring with ultrasonics was a simple and effective approach to...
Aug 28, 2010 - Properties of a polyurethane sealant based on hydroxyl terminated butadiene copolymer. - Technical Paper
A polyurethane sealant was prepared through the reaction of hydroxyl terminated butadiene copolymer (HTPB), bis-hydroxypropyl phenyl aniline (BHA) and...
Aug 28, 2010 - Use of electrochemical impedance spectroscopy (EIS) to characterize liquid diffusion in adhesives. - Technical Paper
Preliminary results on the technique of electrochemical impedance spectroscopy (EIS) applied to the characterization of diffusion and absorption...
Aug 28, 2010 - Using two different adhesives in the same joint to get added strength. - Technical Paper
The use of relatively low modulus adhesive at the ends of overlap in a bi-adhesive bondline of a bonded joint can reduce the stress concentration...
Aug 22, 2010 - Effect of movement during cure on the properties of a silicone sealant. - Technical Paper
A novel sealant testing device was used to continuously monitor the mechanical properties of a one-part silicone sealant for movement cycles initiated...
Aug 14, 2010 - Bond strength of FRP reinforcing elements in concrete under freeze-thaw cycles. - Technical Paper
Bonding between the adherends represents a key point when dealing with the reinforcement of concrete structures by using fiberglass reinforced...
Aug 14, 2010 - The effect of environmental conditions and manufacturing methods on carbon/epoxy composite joints. - Technical Paper
Composite single-lap joints were tested to study the combined effect of the environmental condition and the manufacturing methods as they pertain to...
Aug 14, 2010 - The effect of mechanical properties of adhesives on stress distribution in joints. - Technical Paper
The influence of the mechanical properties of adhesive on stress distribution in single-lap jointed cantilevered beams is investigated in this paper. ...
Aug 07, 2010 - Determination of tin compounds in water soluble adhesive by GC-MS. - Technical Paper
The use of diphenyltin, (DPT), tributyltin (TBT) and triphenyltin (TPT) in some household products are prohibited in Japan. In this study, methods...
Aug 07, 2010 - Fatigue life predictions in adhesively bonded joints. - Technical Paper
Fatigue is a very important factor in any adhesively bonded structure subject to service loads. Prediction of fatigue life using FEA techniques is...
Aug 07, 2010 - Sealing material with excellent water resistance and durability. - Patent
This invention provides a sealing material having excellent water resistance for a long time. The sealing material described in the invention...
Jul 31, 2010 - Failure of t-peel joints by modeling using FEA with experimental validation. - Technical Paper
The paper describes an efficient procedure based on standard finite element techniques for the failure analysis of bonded structures. Modeled with...
Jul 31, 2010 - Fracture behavior of structural adhesive joints under quasi-static and cyclic loading. - Conference
Structural adhesive joints are expected to retain integrity in their entire service life that normally involves cyclic loading coinciding with...
Jul 25, 2010 - Adhesive for difficult to adhere polymer coated board stock used in packaging. - Patent
Adhesives are uniquely formulated to ensure appropriate adhesion to polymer coated paperboard. Such adhesive can be used in case and carton sealing...
Jul 25, 2010 - Effect of tapering length and material properties on adhesive stress distribution in composite laminates. - Technical Paper
One major problem when using bonded fiber reinforced plastic laminates to strengthen and upgrade existing structures is the high stresses in the...
Jul 25, 2010 - Model for describing adhesive contact between rigid bodies. - Technical Paper
A general framework for models describing adhesive contact between rigid bodies is proposed. The intensity of adhesion is supposed to decrease under...
Jul 25, 2010 - Polymer emulsion for pavement sealing. - Patent
This invention describes a pavement sealing composition and method of application of the sealant to pavement to form a thin coating. The composition...
Jun 27, 2010 - Bonded vertical joint design for architectural panels. - Technical Paper
This paper presents a new bonded vertical joint design for façade architectural panels which improves the façade behavior under static and dynamic...
Jun 27, 2010 - Development of new highly interacting and dissipative soft adhesives with strong adhesion to silicone. - Technical Paper
The rheological and adhesive properties of bis-urea functionalized low molecular weight polyisobutylene (PIBUT) are investigated. The polymers, which...
Jun 27, 2010 - Fracture toughness of joints between concrete and polymer-cement mortar in external wall structures. - Technical Paper
This paper aims to investigate interfacial fracture toughness between concrete and polymer-cement mortar in an external wall tile structure under...
Jun 13, 2010 - Effect of interfacial stress distribution on shear strength. - Technical Paper
An integrated experimental and numerical analysis is carried out to study the interfacial shear strength of bonded materials. Two types of shear...
Jun 13, 2010 - Effect of outdoor exposure and boron compounds on bonded wood structures. - Technical Paper
This study was carried out to determine the shear strength of an adhesive on weathered wood, impregnated with a boron compound, using a long term...
Jun 13, 2010 - Improving the low temperature impact resistance of epoxy adhesives with solid epoxy resins. - Patent
This invention relates to compositions containing at least one solid epoxide resin, at least one polymer, at least one thioxotropic agent and at least...
Jun 13, 2010 - Use of functionalized nanosilica in epoxy adhesives and its effect on aluminum joints. - Technical Paper
This work is concerned with the improvement of thermal properties and mechanical strength of adhesive joints consisting of an epoxy adhesive layer...
Jun 04, 2010 - Performance of weld-bonded dual phase steel sheets compared to adhesive bonding and spot welding. - Technical Paper
Lap joint of dual phase steel sheets of 1.0 mm thickness were prepared by adhesive bonding, spot welding, and weld bonding processes using a one...
May 29, 2010 - Design and certification of composite-to-steel joints for marine applications. - Technical Paper
This paper describes a logical method for the design and certification of adhesively bonded composite-to-steel joints for the marine industry. ...
May 29, 2010 - Epoxy adhesive is toughened with thermoplastic materials and cures at low temperatures. - Patent
This invention relates to the use of thermoplastic materials for toughening thermosetting resins (specifically epoxy resins) for use as adhesives. It...
May 29, 2010 - Study by electron energy loss spectroscopy of silane effect on a metal-adhesive interface. - Technical Paper
A silane based adhesive formulation used in the aerospace industry was studied using sub-nanometer spatially resolved energy loss spectroscopy as a...
May 22, 2010 - Optimum bondline thicknesses of pultruded GFPR substrates bonded with polyurethane. - Technical Paper
This paper presents results of experimental and numerical investigations on double lap joints composed of pultruded GFRP profiles and polyurethane...
May 22, 2010 - The role of talc filler in resistance to cyclic loading. - Technical Paper
The ability of structural adhesive to withstand a combination of cyclic loading and service environment makes them suitable for a wide range of...
May 15, 2010 - Deformation behavior and strain rate sensitivity on a toughened, bulk adhesive material. - Technical Paper
The deformation behaviors and strain rate sensitivity of an epoxy resin structural adhesive and a CTBN modified epoxy adhesive were experimentally...
May 15, 2010 - Effect of adhesive length and thickness on thick aluminum-to-aluminum joints. - Technical Paper
Composite joints are often the weakest elements in composite structures. In this paper, the authors propose a modified version of the damage zone...
May 01, 2010 - Determination of optimum adhesive thickness in structural joints. - Technical Paper
The geometrical factors defining an adhesive joint are of greater importance as its design greatly conditions the performance of the bonding. One of...
May 01, 2010 - Finite element simulation of single-lap bonded and hybrid (bolted/bonded) joints. - Technical Paper
Balanced single lap bonded and hybrid (bolted / bonded) joints with flexible adhesive were studied using finite element analysis. The two-dimensional...
Apr 23, 2010 - Improvement of toughness at cryogenic temperatures. - Technical Paper
Fracture toughness and crack resistance of aluminum adhesive joints were measured at the cryogenic temperature of -150°C, with respect to the...
Apr 10, 2010 - Dynamic fracture analysis of adhesive joints. - Technical Paper
Dynamic fracture behavior along the interface of an adhesive bonded material under normal loading is studied. Based on the parametric discussion...
Apr 10, 2010 - Effect of mechanical metal surface preparation on adhesive strength. - Technical Paper
The basic method of mechanical surface metal cleaning is described. The dependence of adhesive bonding strength on the degree of roughness of the...
Apr 10, 2010 - Effect of water exposure on crack sealants. - Conference
Crack sealing and filling is the most widely used maintenance activity for in-service pavements. If an appropriate sealant material is selected and...
Apr 10, 2010 - Environmental resistance of epoxy adhesive joints in aircraft construction. - Technical Paper
The description of tests of adhesive joints prepared with adhesives developed by the Russian Institute of Aviation Materials for stability against the...
Apr 10, 2010 - Epoxy adhesive behavior on ceramic substrates in optoelectronic assemblies. - Technical Paper
Chemical and physical variability in the as-received state of aluminum oxide and aluminum nitride ceramic substrate materials used in optoelectronic...
Apr 10, 2010 - Hot melt adhesive for disposable diapers that can operate as a visual wetness sensor. - Patent
This invention describes a wetness indicating adhesive composition comprising an adhesive base composition incorporating a fluorescing agent that only...
Apr 10, 2010 - Pressure sensitive adhesive tape with good transmittance for solar panels. - Patent
This invention relates to a single sided pressure sensitive adhesive tape for producing solar modules. The adhesive tape described by this invention...
Mar 27, 2010 - Adhesive fabric tape for external applications. - Patent
The invention relates to an adhesive tape especially suitable for outdoor applications. The adhesive tape comprises a support which is produced of an...
Mar 27, 2010 - Functionalized nanosilica filler for epoxy adhesives. - Technical Paper
This paper is concerned with the improvement of thermal properties and mechanical strength of adhesive joints consisting of an epoxy adhesive layer...
Mar 27, 2010 - Properties of EVA copolymer hot melt adhesive; contribution of plastic deformation. - Technical Paper
The deformation-stress curves of ethylene and vinyl acetate copolymer (EVA) are determined by traditional methods with respect to composition at...
Mar 19, 2010 - Failure criteria for fiber glass reinforced plastic adhesive joints. - Technical Paper
In this paper the debonding of adhesive lap joints between FRP adherends is analyzed with regard to the influence of the chosen interface failure...
Mar 19, 2010 - Investigation of the measurement and damage parameters for fatigue. - Technical Paper
In Part 1, the authors describe fatigue damage measurements in the bulk adhesive. Bulk adhesives were made from a film type of epoxy resin. In...
Mar 05, 2010 - An expandable epoxy resins for automobile stiffening and energy dissipation. - Patent
Expanded, toughened structural adhesives are disclosed which form stiffening materials for vehicular panels and body shell structures. The toughened...
Mar 05, 2010 - Characterizing the low temperature performance of bituminous sealants. - Technical Paper
Joint and crack sealants exposed to cold climates experience high tensile stresses. Sealants should have the ability to dissipate these stresses to...
Mar 05, 2010 - Fatigue and crack growth in toughened epoxy adhesives. - Technical Paper
The fatigue threshold and slow crack growth rate of a highly toughened epoxy adhesive was studied as a function of the starting conditions (fatigue...
Mar 05, 2010 - Inspection of adhesive quality in a weld-bonding process. - Patent
A method and apparatus is described that can be used to inspect the quality of an adhesive material used for joining a pair of work surfaces during a...
Mar 05, 2010 - Moisture effects on adhesion of electronic attachments. - Technical Paper
Moisture is a principal cause of failure in adhesive attachments in the electronic industry. The purpose of this paper is to examine the long term...
Mar 05, 2010 - Nanocomposite heat sealant formulation with a versatile peelable / easy-open character. - Technical Paper
A novel heat sealing performance is achieved by polyethylene nanocomposites reinforced by ethylene vinyl acetate (EVA) and montmorillonite (MMT). ...
Mar 05, 2010 - Role of corrosion in the failure of adhesive joints. - Technical Paper
Structural adhesive bonding of metal components is widespread in many areas of engineering, ranging from microelectronics to aerospace assembly. It...
Mar 05, 2010 - Shelf life of a reactive dicyandiamide cured epoxy adhesive. - Technical Paper
Positron annihilation lifetime spectroscopy was used to study the curing behavior of epoxy resins of DGEBA with a hardener of dicyandiamide from the...
Feb 27, 2010 - Method for verifying the integrity of a seal between a container and film. - Patent
A method of verifying the integrity of a seal in a sealing region between a container and a sealing film applied to the container is disclosed. The...
Feb 19, 2010 - Effect of filler on peel strength of epoxidized natural rubber. - Technical Paper
Viscosity and peel strength of epoxidized natural rubber based adhesive was investigated in the presence of magnesium oxide filler. Petroleum resin...
Feb 19, 2010 - The role of talc particles on the fatigue strength of a structural epoxy adhesive. - Technical Paper
The ability of structural adhesive to withstand combination of cyclic loading and service environment makes them suitable for a wide range of...
Feb 12, 2010 - Degradation products of polyurethane pressure sensitive adhesives under pyrolysis conditions. - Technical Paper
The thermal degradation of polyurethane pressure sensitive adhesives at a temperature of 600°C was investigated by the application of pyrolysis-gas...
Feb 12, 2010 - Moisture effects on adhesion of non-conducting electronic adhesives. - Technical Paper
Moisture is a principal cause of failure of adhesive attachments in miniature electronic devices. The purpose of this paper is to examine the long...
Jan 29, 2010 - Alternatives in epoxy adhesive toughening. - Technical Paper
This article examines the structure / property relationship of epoxy resin compatible liquid modifiers that can be used as toughening agents for epoxy...
Jan 29, 2010 - Effect of material, geometry, surface treatment, and environment on shear strength. - Technical Paper
The single lap joint is the most studied type of adhesive joint in the literature. However, the joint strength prediction of such joints is still a...
Jan 29, 2010 - Model to evaluate stress redistribution in double lap joints under axial tensile cyclic loading. - Technical Paper
A shear-lag model is developed in order to evaluate stress redistributions in double-lap joints under axial (tensile) lap-shear cyclic loading. The...
Jan 23, 2010 - Design and certification of adhesive bonded composite to steel joints for marine applications. - Technical Paper
This paper describes a straightforward method for the design and certification of adhesively bonded composite to steel joints for the marine industry....
Jan 23, 2010 - Polyurethane adhesive used for retort food pouches. - Technical Paper
Polyurethane adhesives are widely used in manufacturing food packaging laminates which need high temperature sterilization. In order to satisfy the...
Jan 16, 2010 - Performance of adhesive joints between FRP bridge decks and steel girders. - Technical Paper
The through-thickness performance of adhesive joints between pultruded FRP bridge decks and steel girders was investigated experimentally and...
Jan 09, 2010 - Surface pretreatments of magnesium alloys prior to adhesive bonding. - Conference
This study reports on the performance of three different automotive magnesium substrate materials (AM60B die-castings, AZ31-H24 sheet, and AM30...
Dec 28, 2009 - Silicone optoelectronic encapsulants avoid degradation seen in epoxies - Patent
The in-service degradation seen when encapsulating optical semiconductor devices in B-staged epoxy resins can be avoided by using a more thermally...
Dec 26, 2009 - Debonding of elastomer-to-steel adhesive joints under cathodic environments. - Technical Paper
In this paper the author presents a summary of the research to date on modeling the debonding of elastomer-to-steel adhesive bonds under cathodic...
Dec 26, 2009 - Evolution of formaldehyde at high temperatures (200-1500°C) from a phenol formaldehyde adhesive. - Technical Paper
Novel high-temperature adhesives (HTAs) were prepared using phenol-formaldehyde (PF) resin as matrix and elemental silicon or boron carbide as...
Dec 26, 2009 - The effect of bond line thickness on adhesive joint strength in structural applications. - Technical Paper
While the geometry of aerospace assemblies is carefully controlled, for many industrial applications such as marine structures bond line thickness can...
Dec 26, 2009 - Toughness of GRFP composite adhesive joints under static and dynamic loading. - Patent
Static toughness and impact induced damage of an adhesive bonded interface between two GFRP laminates are determined. A polyfunctional epoxy...
Dec 22, 2009 - Epoxy adhesive method boosts LED quality control - Patent
Adapting the way in which epoxy insulating adhesive is introduced to an LED package can reduce the number of sub-standard devices getting to market,...
Dec 19, 2009 - Effect of aluminum substrate roughness on adhesive strength of a RTV silicone rubber. - Technical Paper
Heat resistant adhesive RTV88 is a hyper-elastic material and so far there has been little research on using this product in adhesive joints. In this...
Dec 19, 2009 - Toughening epoxy adhesives with nanoparticles without sacrificing other properties. - Technical Paper
With the emergence and commercialization of nanoparticles, new opportunities have emerged for toughening of epoxy adhesives using nanoparticles...
Dec 12, 2009 - Degradation of acrylic pressure sensitive adhesives at 250°C. - Technical Paper
The thermal degradation of acrylic pressure sensitive adhesives at 250°C was investigated using pyrolysis-gas chromatography. Knowledge of the types...
Dec 12, 2009 - Epoxy adhesive for normal temperature stain gauge attachment. - Technical Paper
A base adhesive for normal temperature strain gauge was prepared from epoxy resin, novolac resin, polyvinyl formal, and dicyandiamide. The effect of...
Dec 12, 2009 - Epoxy adhesive modification for improved performance at low temperatures. - Conference
Epoxy adhesives are generally brittle, and require toughening for use in structural applications especially at low temperatures. Traditional methods...
Nov 28, 2009 - Amine tougheners for epoxy based adhesives for aerospace or automotive applications. - Patent
An epoxy resin system is disclosed which consists of a liquid epoxy resin and a tri-amine terminated polyether toughener that is optionally adducted...
Nov 28, 2009 - Breathable protective film for solar cells. - Patent
This patent describes a breathable solar film for protecting elements in a solar cell. One polymeric film is bonded to a second polymeric film by...
Nov 28, 2009 - Predicting durability of epoxy/steel adhesive joints in sea water. - Technical Paper
This study is concerned with the development of a tool to predict the long term behavior of adhesively bonded steel joints aged in sea water. First,...
Nov 28, 2009 - Wedge test strength and durability of carbon nanotube reinforced epoxy adhesives. - Technical Paper
Epoxy adhesive reinforced with carbon nanotubes were developed in this work. The distribution of the nanotubes in the epoxy resin was observed with...
Nov 23, 2009 - Characterization of PVAc based adhesive formulations. - Technical Paper
The role of the main components of a PVAc-based wood adhesive formulation in the formation and performance of an adhesive joint is investigated in...
Nov 23, 2009 - Crack growth behavior of toughened epoxy adhesives. - Technical Paper
The crack growth resistance of bulk single edge notch bend and adhesive bonded double cantilever beam specimens was investigated under mode I loading...
Nov 23, 2009 - New method of characterizing the peeling properties of an adhesive tape during impact loading. - Patent
A peel test is described in this invention which continuously detects the properties of an adhesive tape from the moment an impact load is applied to...
Nov 14, 2009 - Crack growth retarders bonded to metallic aircraft structures. - Technical Paper
This paper presents an investigation on the effectiveness of crack growth retarders bonded to integral metallic structures. It focuses on aluminum...
Nov 09, 2009 - Determining interfacial parameters of adhesive layer between metal film and ceramic substrate. - Technical Paper
Peel test measurements and inverse analysis to determine the interfacial mechanical parameters for the metal film / ceramic system are performed for...
Nov 09, 2009 - Fatigue behavior of steel structures retrofitted with FRP materials. - Technical Paper
In this paper the fatigue behavior of steel structures retrofitted by using FRP materials is investigated. Preliminary tests were performed at...
Nov 09, 2009 - Forensic method of identifying electrical tape backing and adhesive composition. - Technical Paper
The microtexture and elemental composition of the backing of electrical tapes have been shown to be highly discriminating. In this study, the organic...
Oct 26, 2009 - Applying acoustic emission NDT. - Technical Paper
The aim of this work is to study in depth the use of acoustic emissions, as a non-destructive technique, applied to adhesively bonded joints. The...
Oct 26, 2009 - Durability of bonded wood via adhesive groups. - Technical Paper
There is a need to develop models that evaluate the interaction of wood adhesives at the macroscopic level to explain observations on the durability...
Oct 26, 2009 - Effect of service temperature on bond between fiber reinforced plastic and concrete. - Technical Paper
The method to increase the ultimate capacity of reinforced concrete elements by means of fiber reinforced polymer bonded on the substrate with...
Oct 26, 2009 - Underwater application of structural adhesives. - Technical Paper
Wet adhesive technology is currently employed in specific applications of underwater ship husbandry. The success and scope of underwater adhesive...
Oct 18, 2009 - Evaluating the water resistance of acrylic thermosetting adhesives. - Technical Paper
A number of two component acrylic adhesives were examined for the effect of immersion time in water at 23°, 80°, and 100°C on the tensile lap shear... (1 Member Reaction)
Oct 05, 2009 - Adhesive for optical members with suppressed yellowing in high temperature environments. - Patent
The invention relates to an adhesive composition for optical members which contains an acrylic polymer having 0.2-20 parts by weight of a carboxyl...
Oct 05, 2009 - Adhesive with superior heat and moisture resistance for circuit coupling. - Patent
A circuit coupling adhesive which is superior in heat resistance and moisture resistance is provided in this patent. The adhesive can be used for the...
Oct 05, 2009 - Fracture energy assessment using the wedge test. - Technical Paper
The wedge test and the related double cantilever beam test are practical methods of assessing structural adhesive fracture energy. In the former, and...
Sep 20, 2009 - Bonded composite-to-steel structures for marine hulls. - Conference
Combining composite structure with steel marine vessel hulls usually involves bolts. Bolted structure fosters corrosion, especially if carbon...
Sep 20, 2009 - Flooring underlayment for protecting tile and stone floors. - Patent
The disclosed invention relates generally to materials underlying tile or stone flooring to protect the flooring from moisture or moisture vapor. A...
Sep 20, 2009 - Method of monitoring the aging of sealants. - Conference
Sealants represent a critical part of modern construction. They are responsible for weatherproofing buildings or structures to prevent moisture...
Sep 20, 2009 - Review of adhesive tests used in dentistry. - Technical Paper
A critical comparison of articles concerning dental adhesives reveals large differences in measure values, differences that not only seem to be...
Sep 20, 2009 - Strength development of phenol-formaldehyde adhesive during cure. - Technical Paper
The development of shear strength of phenol formaldehyde (PF) adhesive bond during curing was investigated. Five different PF adhesive mixtures and...
Sep 07, 2009 - Benchmark adhesive joints for NDE with reduced fracture strength. - Technical Paper
A method for producing adhesively bonded aluminum joints with predictable loss of fracture strength was developed and evaluated. The method uses open...
Sep 07, 2009 - Bond strength effect from a cathodic environment. - Conference
This paper summarizes the research done to date on modeling the debonding of elastomer to steel adhesive joints under cathodic conditions. Cathodic...
Sep 07, 2009 - Carbon black reinforced epoxy in a cryogenic environment. - Technical Paper
In order to improve the tensile lap shear strength and durability of adhesively bonded joints, nanosized carbon black particles were dispersed in the...
Sep 07, 2009 - Testing of acrylic adhesive on similar and dissimilar substrates. - Technical Paper
In this study, the tensile strength of single lap joints between similar and dissimilar adherends bonded with an acrylic adhesive were evaluated. The...
Aug 29, 2009 - Durability of adhesive joints made from coil coated steel. - Conference
The use of prefinished coil-coating steel sheets as an alternative to paint shop processes offers a significant potential of simplification and gain... (1 Member Reaction)
Aug 29, 2009 - Finite element analysis for stress analysis of adhesive joints. - Technical Paper
This paper documents ongoing research in the field of stress analysis of adhesive bonding joints and aims at developing efficient and accurate finite...
Aug 24, 2009 - Effect of temperature on strength of joints for the automotive industry. - Technical Paper
Adhesively bonded lap and T-joints are used extensively in the manufacture of automotive structures. In order to determine the effect of using a...
Aug 15, 2009 - A review of toughening mechanisms for structural adhesives. - Patent
Since structural adhesive applications generally require high shear strength and superior resistance to harsh environments, they tend to be highly...
Aug 08, 2009 - The detection of moisture in adhesive bonds via electrical measurements. - Technical Paper
The ingress of moisture into an adhesive bonded structure can lead to a variety of effects. Water has a large dipole signature and is easily studied... (1 Member Reaction)
Aug 01, 2009 - Flexible adhesives in structural applications. - Technical Paper
In modern bonding applications, flexible adhesive plays an important role. They have low elastic modulus but high extension to failure. In this...
Aug 01, 2009 - Static and fatigue strength of adhesive joints used in wind turbine blades. - Technical Paper
Experimental results are presented for static and fatigue strength of thick adhesive joint specimens which are representative of turbine blade joints....
Jul 19, 2009 - Adhesives for improvement to indoor air quality. - Technical Paper
Poor indoor air quality is one of the greatest health risks. Indoor pollutions consist of airborne levels of pollutants, primarily volatile organic...
Jul 19, 2009 - Calculating elastic stresses in single lap shear adhesive joints. - Technical Paper
A general two dimensional theoretical approach capable of providing an explicit closed-form solution is developed for the calculation of elastic...
Jul 19, 2009 - Device for measuring bond strength. - Patent
A bonding strength measuring device is described to measure the bond strength between a substrate and a molding compound. The measuring device...
Jul 19, 2009 - Why you can’t afford not to know what is in a polymer. - Technical Paper
In a regulatory landscape that is constantly shifting, developing, and manufacturing new polymeric products that the market wants is only half the...
Jul 11, 2009 - Stress analysis of geometrically modified adhesive joints. - Technical Paper
One major problem when using bonded fiber reinforced polymer (FRP) laminates is the presence of high interfacial stresses near the end of the...
Jun 27, 2009 - Environmental aging of epoxy adhesive joints. - Technical Paper
Adhesive bonded joints are exposed to a range of different environments in aerospace applications. This paper reports dielectric and mechanical...
Jun 27, 2009 - Fatigue strength of aluminum honeycomb sandwich beams. - Technical Paper
The effect of the amount of adhesive for bonding face sheets and cores on the bending fatigue strength of aluminum honeycomb sandwich beams was...
Jun 27, 2009 - Fiber glass reinforced plastic adhesive joints. - Technical Paper
In this paper, a mathematical model for studying the equilibrium problem of adhesive joints between FRP adherents is presented. In particular, double...
Jun 27, 2009 - Improved adhesive strength of polyimide adhesives via nanoparticles. - Technical Paper
Polymeric nanoparticles were prepared using mini-emulsion polymerization techniques. Then the dispersed nanoparticles in DMAc were added to in-situ...
Jun 27, 2009 - Influence of temperature and strain rate on epoxy joints. - Technical Paper
Effects of temperature and strain rate on the cohesive relation of an engineering epoxy adhesive are studied experimentally in this paper. Two...
Jun 13, 2009 - Acoustic emissions as a non-destructive test technique. - Technical Paper
The aim of this work is to study the use of acoustic emission as a non-destructive testing technique. Various defect densities are investigated. ...
Jun 13, 2009 - Effect of temperature on auto industry test joints. - Technical Paper
Adhesively bonded lap and T-joint are used extensively in the manufacture of automotive structures. In order to determine the effect of using a...
Jun 13, 2009 - Facture of composite adhesive joints. - Technical Paper
The fracture of adhesive joints between two glass fiber laminates was studied by testing double cantilever beam test specimens loaded by uneven...
Jun 13, 2009 - Mixed adhesive joints – one adhesive in the center and another on the ends of an overlap joint. - Technical Paper
High temperature adhesives are generally brittle and low temperature adhesives do not have heat resistance. To overcome this problem, one possibility...
May 27, 2009 - Calculation of adhesive joint strength. - Technical Paper
The paper is focused on the static strength of adhesively bonded structural joints and seeks a simple calculation rule that can assist the designer in... (1 Member Reaction)
May 27, 2009 - Radiation resistance of adhesives with low outgassing properties. - Technical Paper
This paper reports on the investigation of the irradiation dependent bonding strength of two component adhesives which have low outgassing compatible... (1 Member Reaction)
May 18, 2009 - Effect of adhesive thickness and filler content on epoxy-aluminum joints. - Technical Paper
The objective of this study was to develop information on the influence of adhesive thickness and aluminum filler content on the mechanical...
Apr 06, 2009 - Update of Adhesives Technology Handbook - Technical Paper
This is an update of Adhesives Technology Handbook written by Arthur Landrock and published in 1985. It is a simple, yet effective guide to all that...

R&D Highlights

Testing and Service Conditions