Patent ID: 8304505

Claim:
A condensation-crosslinking silicone composition comprising (A) 100 parts of at least one organosilicon compound having at least 2 condensable groups, (B) 1-10 parts of at least one crosslinking agent selected from the group consisting of tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, tetrabutoxysilane, methyltrimethoxysilane, methyltriethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, 3-cyanopropyltrimethoxysilane, 3-cyanopropyltriethoxysilane, 3-(glycidyloxy)propyltriethoxysilane, 1,2-bis(trimethoxysilyl)ethane, 1,2-bis(triethoxysilyl)ethane, methyltris(methylethylketoximo)silane, vinyltris(methylethylketoximo)silane, tetrakis(methylethylketoximo)silane, partial mixed hydrolyzates thereof, and mixtures thereof, (C) at least one filler, (D) 0.1-50 parts of at least one adhesion promoter selected from the group consisting of a hydrolyzable alkoxysilane bearing vinyl, epoxy, amino, (meth)acryloyloxy, acid anhydride, acid, ester or ether groups and mixed hydrolyzates thereof, and (E) at least one catalyst in a catalytic amount, selected from the group consisting of carboxylates of the metal Sr, and wherein the composition is free of organotin compounds.