Title:
ガスバリア性フィルムおよびその製造方法
Document Type and Number:
Japanese Patent JP4689780
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a thermoplastic resin film having a high gas barrier property even in high humidity, and capable of being industrially inexpensively produced. SOLUTION: This gas barrier film is the film having a gas barrier layer comprising (A) a polyvinyl alcohol and (B) an alkyl vinyl ether-maleic acid copolymer at a weight ratio of (97/3)-(20/80), formed at least on one surface of a thermoplastic resin film. The oxygen permeability coefficient of the gas barrier layer at 20 deg.C in 85%RH is <=1,000 mi.μm/m2.day.MPa.
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Inventors:
Miyagawa Tetsuya
Tsunetoshi Matsuda
Sadami Nanjo
Nakanishi Kiyotaka
Sage Shinami
Tsunetoshi Matsuda
Sadami Nanjo
Nakanishi Kiyotaka
Sage Shinami
Application Number:
JP14955099A
Publication Date:
May 25, 2011
Filing Date:
May 28, 1999
Export Citation:
Assignee:
UNITIKA LTD.
International Classes:
C08J7/04; C08J5/18; C08L29/04; C08L31/02; C08L67/02; C08L77/02; C09D129/04
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| JP9151264A | ||||
| JP5310976A | ||||
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