Patent ID: 7592400
Filing Date: 2009-09-22
Classification: C08G,C08L

Abstract:
1. An addition-crosslinkable silicone LSR composition comprising (A) 100 parts by weight of vinyl-terminated polydiorganosiloxane having a viscosity of from 5000 to 700,000 mPas and having not more than 0.1 mol % of lateral vinyl groups, (B) from 0.1 to 50 parts by weight of polydiorganosiloxane having a viscosity of from 200 to 1,000,000 mPas and having from 0.5 to 30 mol % of lateral vinyl groups, (C) from 1 to 150 parts by weight of polydiorganosiloxane having a viscosity of at least 2,000,000 mPas and having from no to a maximum of three lateral vinyl groups per polymer chain, (D) SiH-functional crosslinker, (E) hydrosilylation catalyst, and (F) 0-90 parts by weight of a filler having a specific surface area of at least 50 m