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Title:
OUTER PACKAGING MATERIAL FOR VACUUM THERMAL INSULATION MATERIAL, VACUUM THERMAL INSULATION MATERIAL, AND ARTICLE WITH VACUUM THERMAL INSULATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/157762
Kind Code:
A1
Abstract:
The present disclosure provides an outer packaging material for a vacuum thermal insulation material, the outer packaging material having a first gas barrier layer, a second gas barrier layer, and a heat-weldable layer in this order, wherein the first gas barrier layer is an aluminum metal layer having a thickness of 60 nm or more, the second gas barrier layer includes a polycondensate produced from a resin composition containing a polyvinyl alcohol-based resin and an alkoxide, and an intermediate layer is provided between the first gas barrier layer and the second gas barrier layer.

Inventors:
MUNEDA TAKU (JP)
Application Number:
PCT/JP2023/004521
Publication Date:
August 24, 2023
Filing Date:
February 10, 2023
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
F16L59/065; B32B15/082; B32B15/09; B32B15/20; B32B27/30; B32B27/36
Domestic Patent References:
WO2020122065A12020-06-18
WO2009031623A12009-03-12
Foreign References:
JP2020008084A2020-01-16
JP2016038013A2016-03-22
JP2017211082A2017-11-30
JP2018135995A2018-08-30
JP2018189163A2018-11-29
JP2019002442A2019-01-10
JP2020176677A2020-10-29
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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