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

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

1996-02-14

1998-03-17

Cameron, Erma

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

427379, 427387, 4273935, 26417113, 2642105, B29C 5504, B29C 5514

Patent

active

057283397

ABSTRACT:
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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