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Patent Searching and Data


Title:
OUTER PACKAGING MATERIAL FOR VACUUM HEAT INSULATING MATERIAL, VACUUM HEAT INSULATING MATERIAL, AND ARTICLE WITH VACUUM HEAT INSULATING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/262665
Kind Code:
A1
Abstract:
The present disclosure provides an outer packaging material for a vacuum heat insulating material, having: a heat-sealable film; a resin layer having at least one of an ethylene-vinyl alcohol copolymer and a polyvinyl alcohol; and a gas barrier film having a resin base material and an inorganic film disposed on at least one of the main surfaces of the resin base material, the resin layer being disposed between the heat-sealable film and the gas barrier film. The water vapor permeability of the outer packaging material for the vacuum heat insulating material is 0.03g/(m2・day) or less. A metal layer is not disposed in the outer packaging material for the vacuum heat insulating material.

Inventors:
MUNEDA TAKU (JP)
IMAI MASAHIRO (JP)
Application Number:
PCT/JP2020/025372
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
F16L59/065; B32B9/00; B32B27/30
Foreign References:
JP2018189188A2018-11-29
JP2018059524A2018-04-12
JP2012180904A2012-09-20
JP2018189163A2018-11-29
JP2017211082A2017-11-30
JP2002225170A2002-08-14
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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