Title:
GAS BARRIER RESIN COMPOSITION AND GAS BARRIER COMPOSITE FILM
Document Type and Number:
WIPO Patent Application WO/2013/089192
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a gas barrier resin composition; and a gas barrier composite film which has excellent gas barrier properties against oxygen, carbon dioxide gas, water vapor and the like, especially a gas barrier composite film which has excellent gas barrier properties even after a hydrothermal treatment. A gas barrier resin composition, which is characterized by being composed of (A) an oxazoline group-containing aqueous polymer of a specific concentration and (B) an aqueous acrylic resin and/or (C) an aqueous polyester resin, and which is characterized in that the ratio of the mole number of the oxazoline groups to the mole number of the carboxyl groups (which is expressed as the ratio of the mole number (x mmol) of the oxazoline groups to the mole number (y mmol) of the carboxyl groups, namely (x/y) × 100 (mol%)) is within a specific range; and a gas barrier composite film which uses the gas barrier resin composition.
Inventors:
SHIMIZU MASARU (JP)
MATOBA DAISUKE (JP)
MATOBA DAISUKE (JP)
Application Number:
PCT/JP2012/082380
Publication Date:
June 20, 2013
Filing Date:
December 13, 2012
Export Citation:
Assignee:
MITSUI CHEMICALS TOHCELLO INC (JP)
International Classes:
C08L33/02; B32B9/00; B32B27/30
Foreign References:
| JP2007030341A | 2007-02-08 | |||
| JP2011224981A | 2011-11-10 | |||
| JP2003320610A | 2003-11-11 | |||
| JP2008088404A | 2008-04-17 | |||
| JP2006068967A | 2006-03-16 |
Attorney, Agent or Firm:
SUZUKI INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Suzuki international patent firm (JP)
Patent business corporation Suzuki international patent firm (JP)
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Claims:
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