Title:
GAS BARRIER LAMINATE AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2021/220977
Kind Code:
A1
Abstract:
A gas barrier laminate (10) comprising a base layer (1) that contains polyolefin, a metal oxide layer (2), and a gas barrier coating layer (3) in this order, wherein the gas barrier coating layer contains a silicon alkoxide or a hydrolysate thereof and a water-soluble polymer, and the content ratio a/b of the content (a parts by mass) of silicon atoms in the silicon alkoxide or the hydrolysate thereof to the content (b parts by mass) of the water- soluble polymer is 3/97 to 45/55, in terms of mass.
Inventors:
TANAKA AYUMI (JP)
Application Number:
PCT/JP2021/016517
Publication Date:
November 04, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B9/00; B32B27/32; B65D65/40
Domestic Patent References:
| WO2016158794A1 | 2016-10-06 |
Foreign References:
| JP2018171796A | 2018-11-08 | |||
| JP2006062115A | 2006-03-09 | |||
| JP2019119132A | 2019-07-22 | |||
| JP2020055302A | 2020-04-09 | |||
| JP2018188568A | 2018-11-29 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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