Patent ID: 7842394
Filing Date: 2010-11-30
Classification: C08G,C08J,C08L,C09D,D21H,Y10T

Abstract:
1. A solvent-free release coating comprising (A) an additive for anchorage of a release coating, said additive being a compound of the general formula: where n is an integer ranging from 56 to 93, a ranges from about 1 to about 3, R is independently selected from the group consisting of: oxirane containing radicals having from one to forty carbon atoms, epoxide containing radicals having from one to forty carbon atoms, monovalent hydrocarbon radicals, monovalent hydrocarbonoxy radicals, and hydride atoms, wherein at least one of said oxirane or epoxide containing radicals are present per molecule, and wherein at least one of said hydride atoms are present per molecule; (B) a curable alkenyl silicone having the formula where M T=R D=R M=R wherein a and b have values ranging from 2 to 5, c is an integer ranging from about 50 to about 1,000 and d has a value ranging from 2 to about 0.5.