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Title:
LAMINATE, MOLDED BODY, AND METHOD FOR PRODUCING LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/243309
Kind Code:
A1
Abstract:
Provided is a laminate comprising a paper substrate layer and a first resin layer disposed on at least one surface of the paper substrate layer. The first resin layer contains a poly(3-hydroxybutyrate)-based resin and a polyvinyl alcohol having a saponification degree of less than 90 mol%. The weight ratio of the poly(3-hydroxybutyrate)-based resin/the polyvinyl alcohol is 99.8/0.2 to 95.0/5.0 in terms of solid content. The laminate can be produced by applying a water-based coating liquid to at least one surface of a paper substrate and drying the resultant to form a first resin layer on the paper substrate.

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Inventors:
FUJITA MASAYUKI
SUGIYAMA HIROAKI
OKADA YASUNORI
Application Number:
PCT/JP2023/018832
Publication Date:
December 21, 2023
Filing Date:
May 19, 2023
Export Citation:
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Assignee:
KANEKA CORP (JP)
International Classes:
B32B27/10; B32B27/36; B65D65/40; D21H19/20; D21H19/82; D21H27/30
Domestic Patent References:
WO2004041936A12004-05-21
WO2021100733A12021-05-27
WO2021100732A12021-05-27
WO2021256381A12021-12-23
WO2021075412A12021-04-22
Other References:
KURARAY POVAL CATALOG, 2019, pages 12, 23
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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