In-line silicone coated polyester film and a process for...

Details In-line silicone coated polyester film and a process for... In-line silicone coated polyester film and a process for...

B - Operations, Transporting

05

D

B05D 5/08 (2006.01) C08J 7/04 (2006.01) C09D 183/04 (2006.01) C09J 7/02 (2006.01) C08L 83/04 (2006.01)

Patent

CA 2079647

ABSTRACT OF THE INVENTION A silicone release film including an oriented polyester film having a coating thereon in an amount sufficient to act as a silicone release film. The aqueous coating comprises glycidoxy silane and an aqueous based thermosetting silicone release composition. The minimum amount of glycidoxy silane present in the coating is at least 1.0% by weight of the silicone solids. Typical glycidoxy silanes are glycidoxypropyltrimethoxysilane or glycidoxypropyltriethoxysilane. A process for coating a polyester film with a silicone coating is also disclosed, where the coating occurs in-line, during the manufacturing process for the film before it is heat-set.

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