Title:
GAS BARRIER COATING AGENT, MULTILAYER BODY AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2024/053403
Kind Code:
A1
Abstract:
A gas barrier coating agent which contains (A) a polyol that is a reaction product of a polyol component and an acid component that essentially contains an ortho-directing polyvalent carboxylic acid or a meta-directing polyvalent carboxylic acid, (B) an isocyanate compound and (C) a compound which comprises an active hydrogen group, while having a molecular weight within the range of 100 to 250 or a solubility parameter of 29.5 or less; and a multilayer body which comprises a base material and a barrier coating layer that is arranged on the base material, wherein the gas barrier coating layer is a cured film of the above-described gas barrier coating agent.
Inventors:
KOUYAMA TATSUYA (JP)
KUBOTA TAKAYUKI (JP)
SATO MAYOKA (JP)
OHARA SHIN-ICHI (JP)
KUBOTA TAKAYUKI (JP)
SATO MAYOKA (JP)
OHARA SHIN-ICHI (JP)
Application Number:
PCT/JP2023/030420
Publication Date:
March 14, 2024
Filing Date:
August 24, 2023
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09D175/06; B32B7/12; B32B27/32; B32B27/40; B65D65/40; C09D7/61
Foreign References:
| JP2017203137A | 2017-11-16 | |||
| CN114517049A | 2022-05-20 | |||
| JP2014051628A | 2014-03-20 | |||
| JP2000322729A | 2000-11-24 | |||
| JPS61211322A | 1986-09-19 |
Attorney, Agent or Firm:
ONO Takayuki (JP)
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