OUTER WRAPPING MATERIAL FOR VACUUM HEAT INSULATION MATERIAL, VACUUM HEAT INSULATION MATERIAL, AND APPARATUS WITH VACUUM HEAT INSULATION MATERIAL

Japanese Patent JP2017125564

A

PROBLEM TO BE SOLVED: To chiefly provide an outer wrapping material for a vacuum heat insulation material, or the like capable of forming a vacuum heat insulation material which can maintain thermal insulation performance for a long period even in an environment of high temperature and high humidity.SOLUTION: The outer wrapping material for a vacuum heat insulation material has a heat welding layer and a barrier layer. The barrier layer has a resin base material and a barrier film formed on the resin base material. The outer wrapping material for a vacuum heat insulation material is provided in which a water vapor permeation rate of the outer wrapping material for a vacuum heat insulation material is 0.2 g/m/day or below after preserving the outer wrapping material for a vacuum heat insulation material in the atmosphere of temperature 70°C and humidity 90%RH for 500 hours.SELECTED DRAWING: Figure 1

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MUNETA TAKU
TACHIKAWA YUKA
IMAI MASAHIRO
SAKURAI REIKO

JP2016005173A

July 20, 2017

January 14, 2016

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DAINIPPON PRINTING CO LTD

F16L59/065; B32B9/00

JP2010091105A	2010-04-22
JP2010091105A	2010-04-22

Akihiko Yamashita
Kishimoto Tatsuto

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