C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/00 (2006.01) B32B 27/34 (2006.01)
Patent
CA 2434588
The invention relates to a co-extruded, multi-layered, biaxially-oriented and weldable flat film for the production of welded tubular films and use thereof for the wrapping and packaging of foodstuffs. Said weldable flat film comprises two weldable surface layers, made from at least one co-polyamide and at least one amorphous polyamide and/or at least one homo-polyamide and/or at least one modified polyolefin.
L'invention concerne un film plat multicouche, coextrudé, étiré biaxialement et soudable, utilisé pour produire des films tubulaires soudés, ainsi que son utilisation pour emballer et envelopper des aliments. Ce film plat comporte deux couches superficielles soudables à base d'au moins un copolyamide et d'au moins un polyamide amorphe et/ou d'au moins un homopolyamide et/ou d'au moins une polyoléfine modifiée.
Grund Hartmut
Lang Horst
Schauer Helmut
Borden Ladner Gervais Llp
Naturin Gmbh & Co.
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