C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/08 (2006.01) C08K 5/07 (2006.01) C08K 5/54 (2006.01) C08K 5/57 (2006.01) C08L 83/06 (2006.01) C09D 183/08 (2006.01)
Patent
CA 2056487
Docket No.: 60S1-1341 Abstract of the Invention Scavenger-free, shelf-stable, room temperature vulcanizable organopolysiloxane compositions having improved low modulus properties are provided, comprising a polyalkoxy-terminated organopolysiloxane, a diorganotin bis beta-diketonate condensation catalyst, and a low modulus- enhancing additive which is a low viscosity monoalkoxy-terminated polydiorganosiloxane. In preferred embodiments, the RTV composition further comprises filler, a beta-ketone, a polyalkoxy silane cross-linking agent, and anadhesion promoter which is preferably a dual adhesion promoting system comprising a cyano-functional polyalkoxy silane and an isocyanato-functional alkoxysilane.
Company General Electric
Craig Wilson And Company
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