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Title:
METHOD FOR PRODUCING GAS BARRIER FILM
Document Type and Number:
Japanese Patent JP2002020516
Kind Code:
A
Abstract:

To provide a thermoplastic resin film which has a high gas barrier property even under a high humidity.

This method for producing the gas barrier film, characterized by coating a solution containing polyvinyl alcohol (A) and an olefin-maleic acid copolymer (B) in an A/B weight ratio of 97/3 to 20/80 on at least one side of a thermoplastic resin film, drying the coated solution, thermally treating the dried coating at a temperature of ≥150°C, and further irradiating the treated coating with electron beams.


Inventors:
MIYAGAWA TETSUYA
MATSUDA TSUNETOSHI
NAKANISHI KIYOTAKA
Application Number:
JP2000206996A
Publication Date:
January 23, 2002
Filing Date:
July 07, 2000
Export Citation:
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Assignee:
UNITIKA LTD
International Classes:
B05D3/06; B05D5/00; B05D7/24; B32B27/28; B32B27/30; C08J7/04; C09D5/00; C09D129/04; (IPC1-7): C08J7/04; B05D3/06; B05D5/00; B05D7/24; B32B27/28; B32B27/30
Domestic Patent References:
JPH07258996A1995-10-09
JPH10511903A1998-11-17
JP2000289154A2000-10-17
JP2000336195A2000-12-05
JP2001030349A2001-02-06
JP2001105547A2001-04-17
JP2001335736A2001-12-04
JP2002020677A2002-01-23
JPH05310976A1993-11-22
JPS491649A1974-01-09
JPH07102089A1995-04-18
JPH0841218A1996-02-13



 
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