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Andrew Extance

Special Featured R&D Highlights Mar 11, 2010 - Silicone encapsulant protects electroactive polymer assembly - Patent Encapsulating an ionic metal-polymer composite in silicone can help ensure the optimum moisture level for the polymer to act as a sensor or actuator....

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• Mar 11, 2010 - Silicone encapsulant protects electroactive polymer assembly - Patent
  Encapsulating an ionic metal-polymer composite in silicone can help ensure the optimum moisture level for the polymer to act as a sensor or actuator....
• Mar 08, 2010 - Sony's anisotropically conductive adhesive suits smaller circuits - Patent
  Japanese researchers claim to have solved the problem of how to make sure that adhesives only conduct electricity in one direction in even today's...
• 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 - Dry adhesion by surface wrinkling. - Technical Paper
  The authors describe a simple yet robust method of fabricating a stretchable, adhesion-tunable dry adhesive by combining replica molding and surface...
• 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 - High temperature resistant hot melt compositions for metal can sealing. - Patent
  A hot melt composition comprising a thermoplastic elastomer (styrene block copolymer), a tackifier, a wax, and a polyolefin resin is disclosed. The...
• 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 - Method of producing polymer / inorganic particle dispersions for coatings, adhesives, or sealants. - Patent
  The disclosed invention relates to a process for the preparation of an aqueous dispersion. The dispersion comprises at least one polymer and/or...
• 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 - Pressure sensitive adhesive for transdermal drug delivery systems. - Technical Paper
  A new PSA was developed for transdermal drug delivery systems (TDDS) using a quaternary blend composed of poly(n-vinyl pyrrolidone) (PVP), D,L-lactic...
• Mar 05, 2010 - Reversible adhesion via shape memory polymers with molecular “hoops and loops”. - Patent
  A reversible adhesive system for coupling together two objects may consist of two shape memory polymer with molecular “hooks and loops” on the...
• 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...
• Mar 05, 2010 - Starch-polymer wood adhesive . - Patent
  The application discloses a method for applying polymeric adhesive as an adhesive agent to bond a wood article or garnish. The polymer adhesive...
• Mar 04, 2010 - Fused sponge/silkworm protein forms adhesive dental fillings - Patent
  German researchers have combined enzymes from two diverse organisms that together can produce silicate dental fillings and attach them to teeth. The...
• Mar 01, 2010 - Low-temperature application makes starch adhesive greener - Patent
  Researchers at Henkel have developed a starch-based adhesive for producing corrugated paper board that minimizes the amount of energy needed for...
• Feb 27, 2010 - Adhesive for dicing and/or die bonding. - Patent
  The invention relates to a dicing die-bonding film having a pressure sensitive adhesive layer and a die bonding adhesive layer being sequentially...
• Feb 27, 2010 - Effect of laminating properties (pressure and holding time) on flexible circuitry adhesion. - Technical Paper
  In this study, the effect of two laminating parameters, laminating pressure and holding time, on the adhesion strength of flexible copper clad...
• Feb 27, 2010 - Manufacturing parameter effects on aluminum joint strength. - Technical Paper
  An experimental investigation was made into the shear strength behavior of aluminum alloy lap joints in order to understand the effect of geometrical...
• 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 27, 2010 - Repair of bonded steel adhesive joints in automotive structures using plug stud welding. - Technical Paper
  With an increase in the use of advanced high strength steel in vehicle architectures, materials joining issues have become increasingly important. In...
• Feb 27, 2010 - Sealing with an elastomeric composition including nanoparticles. - Patent
  Seals and sealing members are disclosed that are composed of a first elastomer material and a second elastomeric material with the second elastomer...
• Feb 27, 2010 - Using liquefied wood as a particle board adhesive for reducing formaldehyde emissions. - Technical Paper
  Different types of southern European hardwoods and softwoods were subjected to a liquefaction process with glycerol/diethylene glycol. The liquefied...
• Feb 25, 2010 - Modified encapsulation improves chip packaging process - Patent
  Taiwanese researchers are using encapsulants' adhesion to make packages that extract more heat from chips while lowering the risk of breaking them in...
• Feb 22, 2010 - Antistatic adhesive smartens flexible displays - Patent
  LG Chem has developed an adhesive that allows flexible displays to be produced using conventional LCD manufacturing equipment without a negative...
• Feb 19, 2010 - Autoclave-free bonding of large parts. - Patent
  The invention relates to a method for autoclave-free adhesive bonding of components in order to form large-sized structural components for aircraft. ...
• 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 - Effect of ultrasound energy to optimize interface formation for structural adhesive bonding. - Technical Paper
  The paper presents a new approach to ensure improved and quality adhesive bonds by using power ultrasound. Low power ultrasound is generally used for...
• Feb 19, 2010 - Heat activated adhesive tape for bonding electronic components and flexible circuitry. - Patent
  Flexible printed circuit boards are employed in a multiplicity of electronic devices such as mobile phones, radios, computers, printers, and many...
• Feb 19, 2010 - Method of sealing seams on an asphalt road. - Patent
  This invention describes a seam sealer for sealing seams in an asphalt paving operation. The sealer has electric heaters and heats a seam area that...
• Feb 19, 2010 - Polyurethane wood adhesives from cellulosic waste. - Technical Paper
  This study reports on the preparation of polyurethane adhesive using polyols obtained from cellulosic waste and a detailed study of its adhesive...
• 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 18, 2010 - Electroluminescent PSA promises simpler displays - Patent
  Adding electroluminescent pigments to an acrylate or silicone pressure sensitive adhesive can create a product that both secures display components in...
• Feb 15, 2010 - Nanotubes restore conductive polyamides' adhesion - Patent
  French scientists say that replacing particulate carbon used to provide conductivity in polyamide adhesives with carbon nanotubes can improve how well...
• 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 - Heat activated ultra-high solids polyurethane dispersion. - Patent
  This invention is a heat activated adhesive composition consisting of an ultra-high solid polyurethane dispersion. The dispersion comprises (1) a...
• Feb 12, 2010 - Modified polyolefin resin for improved bonding of nontreated substrates. - Patent
  It is the objective of this invention to provide a modified polyolefin resin adhesive which has excellent adhesion to a nonpolar substrate,...
• 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...
• Feb 12, 2010 - Reclosable package that includes a barrier type patch. - Patent
  The invention is a patch with barrier properties that can be attached to the outside of the wall of a bag. It is placed over the profile strip...
• Feb 12, 2010 - The design of temperature-responsive pressure sensitive adhesives. - Technical Paper
  The synthesis and resulting temperature responsive properties of semicrystalline waterborne PSAs were investigated. A crystalline polymer fraction...
• Feb 12, 2010 - Treatment of glass for adhesion of polydimethylsiloxane. - Technical Paper
  A straightforward and inexpensive method to increase the adhesion strength of polydimethylsiloxane (PDMS) and glass is described. In this method the...
• Feb 12, 2010 - UV curable adhesive removable by immersion in warm water. - Patent
  The adhesive composition in this disclosure consists of a polyfunctional methacrylate, a monofunctional methacrylate, and a photopolymerization...
• Feb 11, 2010 - Insulating adhesive redesign raises solar cell efficiency - Patent
  Reducing the amount of insulating adhesive used in dye-sensitized solar cells can increase their energy conversion efficiency by a fifth, Japanese...
• Feb 08, 2010 - Renewable adhesive biowax becomes more stable - Patent
  Reacting biological fats with glycerol chemicals can produce a wax that is less brittle than soy waxes are, improving the performances of adhesives...
• Feb 04, 2010 - Silicone encapsulants aid automated neural implant manufacture - Patent
  Electrical devices that interface directly with brain cells can be made more cheaply and reliably thanks to a fabrication process that includes...
• Feb 01, 2010 - Lactic acid polyol improves polyurethane properties - Patent
  Japanese researchers have applied to patent a way to readily produce renewable polyurethane adhesives that are strong and flexible. Osaka University,...
• Jan 29, 2010 - A primer on selecting the right cartridge based on adhesive formulation. - Technical Paper
  The article describes how to choose cartridge systems for a particular adhesive formulation. It is important to convey all the details of the...
• Jan 29, 2010 - Adhesive dispensing device for layered object manufacture (LOM). - Patent
  An adhesive dispensing device is described in this invention for the use of applying adhesive in a Layered Object Manufacture (LOM) system such as...
• Jan 29, 2010 - Adhesive film for mounting semiconductor chips onto a wiring substrate. - Patent
  This invention discloses an adhesive film formed from a binder composition that contains an epoxy compound, a hardening agent, and a non-conductive...
• 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 - An adhesive that is releasable by pulling on a tab. - Patent
  This invention describes a stretch releasable adhesive article that includes a pull tab. It comprises first and second opposed major surfaces with at...
• 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 - Laminated lid stock acts as an oxygen barrier. - Patent
  This invention describes a laminated lid stock which includes a substrate film, a supporting web, a pressure sensitive adhesive disposed between the...
• Jan 29, 2010 - Light cured epoxy and epoxy adhesive formulations. - Patent
  This invention provides for a cured epoxy resin material obtained by curing an epoxy resin containing an epoxy resin having glycidyl groups at both...
• Jan 29, 2010 - Manufacturing method for a ceramic multilayer structure and resin sealant. - Patent
  This invention describes a ceramic multilayer substrate having excellent migration resistance and high bonding strength between a resin sealing...
• 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 29, 2010 - Non-halogen, flame retardant laminated film. - Patent
  Disclosed is a flame retardant adhesive composition which does not contain any halogen compound and contains a phosphorous compound. The adhesive...
• Jan 29, 2010 - Silicone adhesive exhibiting transparency and hardness. - Patent
  This invention describes a curable silicone adhesive composition that can be cured at room temperature. It exhibits favorable adhesiveness, and...
• Jan 29, 2010 - Surgical glues used for aortic root replacement. - Technical Paper
  Surgical adhesives are used in mechanical, stentless bioprosthetic, and homograft aortic root replacements to seal and reinforce suture lines. The...
• Jan 29, 2010 - The effect of plasticizers in novel skin bioadhesive patches. - Technical Paper
  This study examines the effects of plasticizer inclusion (glycerol) on roughness, mechanical and adhesive properties of novel skin bioadhesive patches...
• Jan 28, 2010 - Hitachi Chemical's two-step tape enhances display reliability - Patent
  A Japanese researcher has developed a way to overcome the risk of altered adhesive properties when assembling multiple electronic components onto a...
• Jan 25, 2010 - Renewable laminates exploit hotmelts and polyurethanes - Patent
  Careful choice of adhesives can help completely avoid concerns around the toxicity of PVC and phenol-formaldehyde wood glue used to produce...
• Jan 23, 2010 - Acrylic block copolymer base reactive hot melt adhesive. - Patent
  The invention is an acrylic hot melt pressure sensitive adhesive composition that shows only small changes in melt viscosity, good hot melt... (1 Member Reaction)
• 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 - Development of an inexpensive sol-gel based adhesive. - Technical Paper
  The humidity and water tolerance of a sol-gel derived binder prepared using a cheap, multicomponent precursor has been studied. The sol was prepared...
• Jan 23, 2010 - Medical pressure sensitive adhesive which contains ingredients for healing. - Patent
  A pressure sensitive adhesive base is disclosed which contains the liquid organic ingredient and which, despite this, has moderate pressure sensitive...
• 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 23, 2010 - Sealing of components for use in solar cells. - Patent
  Thermoplastic resin composition for sealing of solar cell components was derived from propylene based polymers and other components. The...
• Jan 23, 2010 - Spot curing offers optimal quality, reduced processing time, and lower energy consumption. - Technical Paper
  Rapid, high quality curing of adhesives is crucial for many high valued products. The two most widely used curing technology are UV/visible and...
• Jan 21, 2010 - Insulating adhesives cool Foxconn semiconductor arm's LEDs - Patent
  Electronics manufacturing giant Foxconn is looking to patent a heat sink for use with multiple LEDs, where insulating, thermally-conductive adhesives...
• Jan 18, 2010 - Honey boosts beeswax adhesive bond strength - Patent
  German researchers have revived an ancient form of adhesive known as a “punic wax”, and are seeking to exploit it as a fire-resistant adhesive. Punic...
• Jan 16, 2010 - Announcement of MIGRESIVES – a research project on migration from adhesives in food packaging. - Technical Paper
  Plastics in food contact applications are regulated by positive lists of authorized ingredients. However, adhesives have not yet a specific...
• Jan 16, 2010 - Effect of some wood impregnating chemicals in determining drying time of wood adhesive joints. - Technical Paper
  Thermal conductivity is a very important parameter in determining heat transfer rate and is required for the development of drying models for 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 16, 2010 - Process and sealant for sealing HVAC facings in the field. - Patent
  A fibrous insulation product is disclosed that has at least one facing material. The facing material is a waterless, thin film adhesive that is...
• Jan 16, 2010 - Process for improving copper foil adhesion in printed wiring boards. - Patent
  The invention is to significantly improve the copper foil adhesion strength without roughening or blackening the copper foil surface. This will...
• Jan 16, 2010 - PSA tape useful as a wire harness in the automotive industry. - Patent
  This invention relates to an adhesive tape comprising a wet-laid nonwoven backing material and an adhesive. The nonwoven is comprised of synthetic...
• Jan 16, 2010 - Surface treatment and adhesive properties of AA6082 aluminum joints. - Technical Paper
  In this work the effects of both the substrate surface condition and the adhesive properties on single lap aluminum joint resistance were analyzed. ...