Title:
GAS BARRIER FILM AND COMPOSITE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/100453
Kind Code:
A1
Abstract:
Provided is a gas barrier film which, while being an eco-friendly material in which biomass is used, is not prone to impaired water resistance. A gas barrier film made of a composite resin. The composite resin contains: a polyhydroxyurethane resin (A) which includes repeating units represented by general formula (1.1) and/or a polyhydroxyurethane resin (A) which includes structural units represented by general formula (1.2), having as the basic structure thereof structural units in which a compound (a1) having at least two five-membered cyclic carbonate structures and a compound (a2) having at least two amino groups are polymerized; a starch-based compound (B); and a metal chelate compound (C) in which the polyhydroxyurethane resin (A) and the starch-based compound (B) are crosslinked, the content of the starch-based compound (B) with respect to 100 parts by mass of the polyhydroxyurethane resin (A) being 10-300 parts by mass.
Inventors:
TANIGAWA MASASHI (JP)
KIMURA KAZUYA (JP)
TAKAHASHI KENICHI (JP)
KIMURA KAZUYA (JP)
TAKAHASHI KENICHI (JP)
Application Number:
PCT/JP2020/041110
Publication Date:
May 27, 2021
Filing Date:
November 02, 2020
Export Citation:
Assignee:
DAINICHISEIKA COLOR CHEM (JP)
International Classes:
C08J5/18; C08G71/04; C08L3/02; C08L75/04; C09D103/02; C09D175/04; B32B27/18; B32B27/40; C08J7/048
Domestic Patent References:
| WO2018084102A1 | 2018-05-11 | |||
| WO2008026672A1 | 2008-03-06 |
Foreign References:
| JP2016194029A | 2016-11-17 | |||
| JP2016204592A | 2016-12-08 | |||
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| JPH0592507A | 1993-04-16 | |||
| JPS60188402A | 1985-09-25 | |||
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Other References:
See also references of EP 4063437A1
Attorney, Agent or Firm:
KONDO Rieko et al. (JP)
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