PACKAGING MULTILAYER FILM AND PRODUCTION THEREOF - Mitsui DuPont Polychemical Co., Ltd.

Title:

PACKAGING MULTILAYER FILM AND PRODUCTION THEREOF

Document Type and Number:

Japanese Patent JP2627729

Kind Code:

B2

Abstract:

PURPOSE: To obtain a packaging multilayer film superior in gas barrier properties and light-shielding properties by a method wherein a resin composition layer having a good adhesion to a metallizing surface of a metallized polyropylene film and little deterioration of mechanical strength after processing is provided on the metallizing surface.
CONSTITUTION: On a metallizing surface of a metallized polypropylene film, a resin composition layer is provided, which is composed of 5-30 pts.wt. ethylene/ ethylene unsatd. carboxylate copolymer and 95-70 pts.wt. ethylene/ethylene unsatd. carboxylic acid/ethylene unsatd. carboxylate copolymer, contains 1-10wt.% ethylene unsatd. carboxylic acid, and has a melt flow rate of 15-50dg/ min.

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Inventors:

Kenji Miharu
Matsunuma Seihei
Tatsuya Watanabe
Naozumi Suzuki
Toshiyuki Nishioka
Yoshio Nozaki
Kenichi Date

Application Number:

JP23972194A

Publication Date:

July 09, 1997

Filing Date:

August 29, 1994

Export Citation:

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Assignee:

Mitsui DuPont Polychemical Co., Ltd.

International Classes:

B32B15/08; B32B15/082; B32B15/085; B32B27/32; B32B37/15; C08L33/04; C08L33/06; (IPC1-7): B32B15/08; B32B15/08; B32B27/32; B32B31/30; C08L33/06

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