Title:
GAS BARRIER LAMINATE
Document Type and Number:
WIPO Patent Application WO/2020/184604
Kind Code:
A1
Abstract:
The present invention provides a gas barrier laminate having a lamination structure comprising a barrier layer, an inorganic material layer, and a substrate in this order, wherein: the barrier layer contains a water-soluble resin and a condensate of a metal alkoxide hydrolyzate; the ratio of an oxygen permeability (B) of the gas barrier laminate measured at a temperature of 40°C and a relative humidity of 0% RH to an oxygen permeability (A) of the gas barrier laminate measured at a temperature of 23°C and a relative humidity of 0% RH is at most 1.80; and the oxygen permeability (B) is at most 1.00 (cc/(m2·day·atm)).
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Inventors:
SHIBATA DAISUKE (JP)
YAMANISHI HIROMI (JP)
YAMANISHI HIROMI (JP)
Application Number:
PCT/JP2020/010463
Publication Date:
September 17, 2020
Filing Date:
March 11, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B32B9/00; B32B27/00
Foreign References:
| JP2004142238A | 2004-05-20 | |||
| JP2002060525A | 2002-02-26 | |||
| JP2007090874A | 2007-04-12 | |||
| JPH07164591A | 1995-06-27 | |||
| JP2001071425A | 2001-03-21 | |||
| JP2000063751A | 2000-02-29 | |||
| JPH07164591A | 1995-06-27 | |||
| JP2019046274A | 2019-03-22 |
Other References:
See also references of EP 3939782A4
Attorney, Agent or Firm:
TAKASHIMA, Hajime (JP)
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