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Title:
MULTILAYERED RESIN FILM HAVING OXYGEN GAS BARRIER PROPERTY AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2002321319
Kind Code:
A
Abstract:

To provide a multilayered resin film which has an excellent oxygen gas barrier property, comprises a resin not containing chlorine, especially exerts the excellent oxygen gas barrier property even under a high humidity, and can be manufactured from an easily available material at low cost.

In this multilayered resin film, a polyvinyl alcohol resin layer is formed on at least one side face of a biaxially oriented polypropylene resin film, and a face orientation degree parameter (MP) of the polyvinyl alcohol resin layer is 2.2 or more.


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Inventors:
OHAZAMA TAKASHI
TAKAHASHI NORIKO
YAMAMOTO KATSUSHI
MATSUMURA YUTAKA
Application Number:
JP2001128766A
Publication Date:
November 05, 2002
Filing Date:
April 26, 2001
Export Citation:
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Assignee:
TOYO BOSEKI
International Classes:
C08J7/04; B29C55/14; B32B27/30; B32B27/32; B29K23/00; B29K29/00; B29L7/00; B29L9/00; (IPC1-7): B32B27/30; B29C55/14; B32B27/32; C08J7/04
Domestic Patent References:
JPH04272848A1992-09-29
JP2001001463A2001-01-09
JP2000062108A2000-02-29
JP2000289154A2000-10-17
JPH10510487A1998-10-13
JPH0632924A1994-02-08
JPS57207025A1982-12-18
JPH0425448A1992-01-29
Attorney, Agent or Firm:
Osamu Mori (1 outside)



 
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