Vapour-barrier membrane based on a PA666/EVOH blend

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United States of America Patent

PATENT NO 9719246
SERIAL NO

14381435

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Abstract

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The invention relates to a vapor retarder membrane, intended to be used for improving the airtightness of a building or of a room, comprising at least one active layer having a water vapor permeability which increases with the surrounding relative humidity, said active layer comprising at least 90% by weight of a blend of ethylene/vinyl alcohol (EVOH) copolymer and of a copolyamide 6-6.6 (PA666), the latter having a melting point below 210° C.

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Patent Owner(s)

  • SAINT-GOBAIN ISOVER

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khariwala, Devang Marlborough, US 2 0
Massara, Valerio Redavalle, IT 14 28

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