Biaxially stretched polyester film comprising a coating layer co

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing

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428482, 428483, 428516, 428520, 428910, 430528, 430529, 430535, 430536, B32B 2706

Patent

active

053066065

ABSTRACT:
Disclosed is a biaxially stretched polyester film which comprises a polyester film and a coating layer composed of a resin composition comprising (A) an acrylic polymer and/or (B) a polyester copolymer and at least (C) a polymer containing a monomer having a sulfonic acid group neutralized with an organic amine in its recurring unit or (D) a polymer containing a monomer having a sulfonic acid group neutralized with ammonium on at least one surface of the polyester film.

REFERENCES:
patent: 4880700 (1989-11-01), Charmot et al.
patent: 4908277 (1990-03-01), Tsunashima et al.
patent: 5045580 (1991-09-01), Kitamura
patent: 5079136 (1992-01-01), Tachibana et al.

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