FILM FOR VACUUM HEAT INSULATING MATERIAL, AND VACUUM HEAT INSULATNG MATERIAL
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Dec 2, 2010
filing date -
Dec 4, 2009
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Abandoned
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Abstract
Provided are a film for a vacuum heat insulating material which has better gas barrier property as compared with conventional films for a vacuum heat insulating material and which is capable of retaining the excellent gas barrier property even after having been subjected to a folding or deforming process, and a vacuum heat insulating material having a core material hermetically packaged with the film. The film includes a protective layer that is a coextruded and stretched film in which a nylon-based resin, an ethylene-vinyl alcohol copolymer and a nylon-based resin are laminated in this order, a gas barrier layer, and a heat seal layer.
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