Title:
STRETCHED POLYLACTIC ACID PACKAGING FILM AND BAG
Document Type and Number:
Japanese Patent JP2004352334
Kind Code:
A
Abstract:
To provide a stretched polylactic acid packaging film that is flexible and stretchable and is suitable as a packaging bag that is excellent in openability.
In the polylactic acid packaging film comprising (A) 5 to 60 parts by weight of polylactic acid, (B) a polyester resin comprising 40 to 95 parts by weight of a copolymer of polyester resin that has a fusing point of 90 to 210°C, and (C) inorganic particles as its main constituent, the content of the inorganic particles is 0.01 to 20 wt. % of the film. In addition, the elongation at rupture and elastic modulus of the film in the directions of its length and width satisfy the following relational expressions (1) and (2) at the same time: (1) 450≤La+Lb≤900 and (2) 600≤Ea+Eb≤1,200.
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Inventors:
TANAKA HIROYUKI
NIINUMADATE HIROSHI
YAKUSHIDO KENICHI
NIINUMADATE HIROSHI
YAKUSHIDO KENICHI
Application Number:
JP2003154494A
Publication Date:
December 16, 2004
Filing Date:
May 30, 2003
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B65D30/02; B65D65/46; C08J5/18; C08K3/00; C08L67/00; (IPC1-7): B65D65/46; B65D30/02; C08J5/18; C08K3/00; C08L67/00