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US 9,296,179 B2Granted
Polyester film and photosensitive resin structure
AssigneeUnitka Ltd.
InventorsKiwamu Yuki, Kazuyoshi Yamazawa
Life of this patent
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Abstract
The present invention provides a polyester film wherein an adhesive layer including a thermoplastic elastomer including a monovinyl substituted aromatic hydrocarbon and a conjugated diene, a compatibilizer having a glass transition temperature of 35 to 150° C., and a polyester resin having a glass transition temperature of 35 to 150° C. and a carboxyl group content of 10 to 100 mg KOH/g is laminated on a polyester substrate.
Claims10
A polyester film wherein an adhesive layer comprising
- a thermoplastic elastomer including a monovinyl substituted aromatic hydrocarbon and a conjugated diene,
- a polyester resin having a glass transition temperature of 35 to 150° C. and a carboxyl group content of 10 to 100 mg KOH/g, and
- a compatibilizer compatibilizing the thermoplastic elastomer and the polyester resin with each other, the compatibilizer being selected from polyvinyl acetate, acrylic resin and styrene-acryl copolymer and having a glass transition temperature of 35 to 150° C., is laminated on a polyester substrate.
Dependencies are inferred from the claim text.