Primer compositions containing phenylsiloxane resin and vinylsiloxane polymer.

摘要

Primer compositions made from a phenyl-containing organopolysiloxane resin, a vinyl-containing polyorganosiloxane having a viscosity of at least 0.005 m<2>/s, an unsaturated trialkoxysilane such as gamma-methacryloxyalkyltrimethoxysilane, organic titanate, organic solvent, and optionally tetraalkoxysilane can be used to bond silicone rubber to a substrate making composites which do not delaminate when immersed in silicone oil at high temperature, such as at 230 DEG C.