Title:
GAS BARRIER LAMINATE, METHOD FOR MANUFACTURING SAME, AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/120287
Kind Code:
A1
Abstract:
A gas barrier laminate according to one aspect of the present disclosure comprises a paper base material, a first resin layer, a deposition layer, and a second resin layer in this order. The density of the gas barrier laminate is 0.9 g/cm3 to 1.5 g/cm3, inclusive. The dimensions of the gas barrier laminate in an environment having a RH of 90% at 40°C to the dimensions thereof in an environment having a RH of 20% at 40°C have a dimensional rate of change of 0.8% or less in the CD direction.
Inventors:
KOSHIYAMA YOSHIKI (JP)
KAMINAGA JUNICHI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
KAMINAGA JUNICHI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
Application Number:
PCT/JP2022/045750
Publication Date:
June 29, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B9/00; B32B27/10; B32B27/30; B32B27/32; B32B29/00; B32B29/06; B65D65/40; D21H19/08; D21H19/20; D21H19/22; D21H27/30
Domestic Patent References:
| WO2021010040A1 | 2021-01-21 | |||
| WO2022202168A1 | 2022-09-29 |
Foreign References:
| JPH07223686A | 1995-08-22 | |||
| JP6944023B1 | 2021-10-06 | |||
| JP2000314096A | 2000-11-14 | |||
| JPH09164626A | 1997-06-24 | |||
| JP2009018525A | 2009-01-29 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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