Patent ID: 8048518
Filing Date: 2011-11-01
Classification: B32B,C08J,H01L,Y02E,Y10T

Abstract:
1. A fluoropolymer coated film comprising: a polymeric substrate film comprising thermoplastic polyester; and a fluoropolymer coating on said polymeric substrate film, said fluoropolymer coating comprising fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride polymer blended with compatible adhesive polymer comprising functional groups selected from carboxylic acid, sulfonic acid, aziridine, anhydride, amine, isocyanate, melamine, epoxy, hydroxy, anhydride and mixtures thereof; said polymeric substrate film comprising a primer layer on its surface providing functional groups that interact with said compatible adhesive polymer to promote bonding of said fluoropolymer coating to said substrate film, wherein said primer layer has a thickness of about 20 to about 100 nm.