Silicone release coated polyester film and a process for coating

Details Silicone release coated polyester film and a process for coating Silicone release coated polyester film and a process for coating

1995-10-17

1997-09-30

Zirker, Daniel

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428447, 428483, 10628713, 10628714, B32B 712

Patent

active

056724284

ABSTRACT:
A silicone release polyester film coated with an aqueous silicone coating composition on one surface. The aqueous silicone release coating composition is made up of an alkylvinylpolysiloxane containing vinyl groups, a tin or platinum catalyst, a glycidoxysilane and an alkylhydrogenpolysiloxane. A process for coating a polyester film with the aqueous silicone coating composition is also disclosed, where the coating occurs in-line, disclosing the manufacturing process for the film before it is heat-set. The silicone release coated polyester film has an acceptable release value when subjected to solvents or heat.

REFERENCES:
patent: 3427270 (1969-02-01), Northrup
patent: 3928690 (1975-12-01), Settineri et al.
patent: 4822687 (1989-04-01), Kessel et al.
patent: 4851166 (1989-07-01), Kendall
patent: 5298325 (1994-03-01), Culbertson
patent: 5529822 (1996-06-01), Togashi et al.

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