Title:
GAS BARRIER LAMINATE AND PACKAGING BAG
Document Type and Number:
Japanese Patent JP2023162322
Kind Code:
A
Abstract:
To provide a gas barrier laminate which has not only initial water vapor barrier property but also sufficient water vapor barrier property even after having been folded, and uses paper.SOLUTION: A gas barrier laminate has a paper base material, a first resin layer, a vapor-deposited layer and a second resin layer in this order, wherein density of the gas barrier laminate is 0.9 g/cm3 or more and 1.5 g/cm3 or less, and a dimensional change rate in a CD direction of a dimension under an RH environment of 40°C and 90% RH to a dimension under an RH environment of 40°C and 20% of the gas barrier laminate is 0.8% or less.SELECTED DRAWING: Figure 1
Inventors:
KOSHIYAMA YOSHIKI
KAMINAGA JUNICHI
KOJIMA YUMIKO
ISHII RIKA
WAKABAYASHI HIROYUKI
KAMINAGA JUNICHI
KOJIMA YUMIKO
ISHII RIKA
WAKABAYASHI HIROYUKI
Application Number:
JP2023137204A
Publication Date:
November 08, 2023
Filing Date:
August 25, 2023
Export Citation:
Assignee:
TOPPAN HOLDINGS INC
International Classes:
B32B29/00; B32B27/10; B32B27/32; B65D30/02; B65D30/20; B65D65/40
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Youhei Suzuki
Yoshiki Kuroki
Youhei Suzuki
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