Patent ID: 6322850
Filing Date: 2001-11-27
Classification: B29C,C09D

Abstract:
A method of forming a semi-permanent mold release surface on a mold core comprising cleaning the core surface, heating both sides of the core surfaces and spraying the mold core with a reaction product formed from an aqueous composition containing 0.5 to 12 percent by weight of a silane selected from the group consisting of ethyltriethoxysilane, dimethyldiethoxysilane, methyldiethoxysilane, dimethyldimethoxysilane, diphenyldimethoxysilane, trimethylmethoxysilane, triethylethoxysilane, aminopropyltrimethoxysilane and aminopropyltriethoxysilane;a multi-functional polydimethyl siloxane emulsified polymer and a compatible surfactant together with about 0.1 to 30% by weight of ethanol and the remainder water.