Title:
WATER-RESISTANT GAS BARRIER FILM, AND METHOD FOR PRODUCING WATER-RESISTANT GAS BARRIER FILM
Document Type and Number:
WIPO Patent Application WO/2020/039988
Kind Code:
A1
Abstract:
A water-resistant gas barrier film (10) provided with a base film (1) and at least a gas barrier layer (2) formed on the base film (1), wherein the gas barrier layer (2) is formed from a coating solution comprising (a) carboxy-group-modified poly(vinyl alcohol) and/or partially saponified poly(vinyl alcohol), (b) absolutely saponified poly(vinyl alcohol) and (c) polyethyleneimine.
Inventors:
NISHIKAWA TAKESHI (JP)
Application Number:
PCT/JP2019/031739
Publication Date:
February 27, 2020
Filing Date:
August 09, 2019
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B32B27/30; C08J7/04
Domestic Patent References:
| WO2013129520A1 | 2013-09-06 |
Foreign References:
| JP2008284756A | 2008-11-27 | |||
| JP2015232104A | 2015-12-24 | |||
| JP2013082910A | 2013-05-09 | |||
| JP2002254578A | 2002-09-11 | |||
| JP2001121658A | 2001-05-08 | |||
| JPS63230757A | 1988-09-27 |
Other References:
See also references of EP 3842229A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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