R&D HighlightsTop 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. Sealant composition for easy release from a shingle bundle.
Edward M. Petrie
- Oct 19, 2010
Patent -
A sealant composition for roofing shingles is described that includes base asphalt, a linear and / or radial copolymer, oil, and a wax. The linear copolymer has an A-B diblock or an A-B-A triblock structure. The radial copolymer may have an (A-B)n radial structure, where n is at least 4, or a triblock radial structure having four to eight arms. Blocks A and B may individually represent (1)...
Source : Loftus, J.E., et. al., “Sealant Composition for Releasable Shingle”, US Patent Application, 2010/0236178, September 23, 2010.
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