Sealable multi-layer opaque film

Details Sealable multi-layer opaque film Sealable multi-layer opaque film

B - Operations, Transporting

32

B

B32B 27/00 (2006.01) B32B 27/32 (2006.01) C08L 23/00 (2006.01) C08L 23/10 (2006.01) C08L 23/12 (2006.01) C08L 23/04 (2006.01) C08L 23/16 (2006.01) C08L 23/22 (2006.01) C08L 25/04 (2006.01) C08L 33/04 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2485469

A sealable multi-layer opaque film. In particular, a sealable multi-layer opaque film that is moisture permeable and water resistant. The sealable multi- layer opaque film is an oriented multilayer film with a core layer comprising an orientation-enhancing polymer, a polypropylene homopolymer and a beta crystal nucleator of polyproplene and at least one sealable skin layer.

L'invention concerne un film opaque multicouche étanche. L'invention concerne en particulier un film opaque multicouche étanche perméable à l'humidité et résistant à l'eau. Le film opaque multicouche étanche est un film multicouche orienté avec une couche centrale comprenant un polymère favorisant l'orientation, un homopolymère de polypropylène et un agent de nucléation cristallin bêta de polypropylène, et au moins une couche de faible épaisseur étanche.

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