Film with a low gas permeability

Details Film with a low gas permeability Film with a low gas permeability

B - Operations, Transporting

32

B

B32B 27/34 (2006.01) B29C 33/68 (2006.01) B29C 70/50 (2006.01) B32B 27/08 (2006.01)

Patent

CA 2195797

he invention consists in a film including at least one layer (i) in a polyamide/polyolefin alloy with a polyamide matrix and at least one polyolefin layer (ii). The invention also centres on a release film for leaf compounding product consisting in such a film and a conditioning pouch made of expandable polystyrene including such a film.

L'invention a pour objet un film comprenant au moins une couche (i) en un alliage de polyamide/polyoléfine à matrice polyamide et au moins une couche (ii) en une polyoléfine. L'invention a aussi pour objet d'une part un film de relâchement pour produit de compoundage de feuilles consistant en un tel film et d'autre part un sachet de conditionnement de polystyrène expansible comprenant un tel film.

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