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Title:
LAMINATED POLYESTER FILM FOR MOLDING
Document Type and Number:
Japanese Patent JP2010131767
Kind Code:
A
Abstract:

To provide a polyester film for molding, which is excellent in decorative properties and processability.

The polyester film has an easy adhesion layer on at least one side of a substrate layer made of a copolymerized polyester or a copolymerized polyester and a homopolyester. The easy adhesion layer contains a copolymerized polyester resin, a polyurethane resin having a glass transition temperature of 70-120°C, and a block isocyanate crosslinking agent. In the substrate layer, polyester B layers are laminated on both sides of a polyester A layer to form a three-layer structure. The melting point (TmA:°C) of the A layer and the melting point (TmB:°C) of the B layer meet the formula (1): 260>TmB>TmA>200.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
HIROSE YUKA
KUMAGAI EIJI
KUMANO KATSUFUMI
HAYASHIBARA MIKIYA
HARAGUCHI HIROKI
HIGASHIURA MASAYA
Application Number:
JP2008307244A
Publication Date:
June 17, 2010
Filing Date:
December 02, 2008
Export Citation:
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Assignee:
TOYO BOSEKI
International Classes:
B32B27/36; C08J7/04; C08L67/00; C08L75/04
Domestic Patent References:
JP2006273982A2006-10-12
JP2004143379A2004-05-20
JP2008030475A2008-02-14
JP2005297283A2005-10-27
JP2004143379A2004-05-20
JP2006273982A2006-10-12