Title:
POLYESTER FILM FOR WRAPPING
Document Type and Number:
Japanese Patent JP2001011212
Kind Code:
A
Abstract:
To provide a biaxially stretched polyester film suitable as a wrapping film excellent in flexibility and impact resistance.
This polyester film comprises a polybutylene terephthalate (modified PBT) containing 5-20 wt.% of a polytetramethylene glycol unit having a mol.wt. of 600-4,000 and a polyethylene terephthalate(PET) in a modified PBT/PET ratio by weight of 100/0 to 75/25. Desirably, the film has a tensile modulus of 500-1,500 MPa.
Inventors:
MATSUI NORIKAZU
INUI YUKIKO
INUI YUKIKO
Application Number:
JP18538599A
Publication Date:
January 16, 2001
Filing Date:
June 30, 1999
Export Citation:
Assignee:
UNITIKA LTD
International Classes:
B65D65/02; B65D65/40; C08J5/18; C08L67/02; (IPC1-7): C08J5/18; B65D65/02; B65D65/40; C08L67/02
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