Title:
BARRIER LAMINATE
Document Type and Number:
WIPO Patent Application WO/2021/106891
Kind Code:
A1
Abstract:
A barrier laminate comprising a paper substrate, and a gas barrier layer and a water vapor barrier layer provided in this order on at least one surface of the paper substrate, wherein the gas barrier layer contains one or more selected from the group consisting of water-soluble resin binders and a water-dispersible resin binder 1, the water vapor barrier layer contains a layered inorganic compound, a cationic resin, and a water-dispersible resin binder 2, the water-dispersible resin binder 1 is not the same as the water-dispersible resin binder 2, the layered inorganic compound has an aspect ratio of 50 or more, the layered inorganic compound has a thickness of 50 nm or less, and the contained amount of the layered inorganic compound in the water vapor barrier layer is 0.1-100 parts by mass with respect to 100 parts by mass of the water-dispersible resin binder 2.
Inventors:
SHAMOTO YUTA (JP)
ISOZAKI TOMOFUMI (JP)
TSURUHARA MASAHIRO (JP)
NOISHIKI YASUTOMO (JP)
TANAKA MIYOKO (JP)
ISOZAKI TOMOFUMI (JP)
TSURUHARA MASAHIRO (JP)
NOISHIKI YASUTOMO (JP)
TANAKA MIYOKO (JP)
Application Number:
PCT/JP2020/043717
Publication Date:
June 03, 2021
Filing Date:
November 25, 2020
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
B32B27/00; B32B27/10
Domestic Patent References:
| WO2017170462A1 | 2017-10-05 |
Foreign References:
| JP2012512058A | 2012-05-31 | |||
| JP2019173259A | 2019-10-10 | |||
| JP2019196566A | 2019-11-14 | |||
| JP2019177577A | 2019-10-17 | |||
| JP2014173201A | 2014-09-22 | |||
| JP2018089980A | 2018-06-14 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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