US 2014/0178626 A1 · VACUUM THERMAL INSULATION MATERIAL EQUIPPED WITH A GETTER MATERIAL FOR WATER-FRACTION AND GAS ADSORPTION, AND PRODUCTION METHOD THEREFOR

Abstract

The vacuum thermal insulation material of the present invention comprises: a core material part which is hermetically sealed under reduced pressure; a getter part which is provided on one side in the middle of the core part; and an outer skin material part which surrounds the core material part and is hermetically sealed. In the getter part, a getter material, comprising a mixture of a hygroscopic material and a gas-adsorbing material, is packed in the form of a nonwoven fabric. In the vacuum thermal insulation material of the present invention, the hygroscopic material is any one of calcium oxide, calcium chloride, zeolite, silica gel, alumina and activated carbon, while the gas-adsorbing material is an oxygen-adsorbing material comprising a Fe based compound; and the hygroscopic material and the gas-adsorbing material are mixed in a ratio of between 20:1 and 200:1.

Claims15

Dependent claims

A vacuum insulation material comprising:

a core portion sealed in a pressure reduced state;
a getter unit disposed at one side of an intermediate portion of the core portion;
and
an outer skin enclosing the core portion while sealing the core portion,
wherein the getter unit is formed by packing a getter material, in which a moisture absorbent and a gas adsorbent are mixed, with non-woven fabrics.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/235,665Filed 7 Aug 2012

Priority

KR 10-2011-008382223 Aug 2011

Published

26 Jun 2014

Term ends

Not estimatedThe source records don’t support an estimate.

Classification19 codes

E04B 1/70
Insulation or other protection; Elements or use of specified material therefor: drying or keeping dry, e.g. by air vents
B32B 3/04
Characterised by features of form at particular places, e.g. in edge regions: characterised by at least one layer folded at the edge, e.g. over…
B32B 3/08
Characterised by features of form at particular places, e.g. in edge regions: characterised by added members at particular parts
B32B 5/26
One layer being a fibrous or filamentary layer: another layer next to it also being fibrous or filamentary

Vacuum thermal insulation material equipped with a getter material for water-fraction and gas adsorption, and production method therefor

Life of this patent

Vacuum thermal insulation material equipped with a getter material for water-fraction and gas adsorption, and production method therefor

Life of this patent

Abstract

Claims15