Non-pvc films with tough core layer

Details Non-pvc films with tough core layer Non-pvc films with tough core layer

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) A61J 1/10 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01)

Patent

CA 2756029

Multilayer films comprising a core layer are provided. In an embodiment, the present disclosure provides a film having a core layer comprising a material selected from a rubber-modified polypropylene and a polymer blend. The polymer blend includes an elastomeric propylene-ethylene copolymer and a component selected from the group consisting of polypropylene random copolymers, styrene/ethylene-butylene/styrene block copolymers, and combinations thereof.

La présente invention concerne des pellicules multicouches comportant une couche noyau. Selon un mode de réalisation, la présente invention concerne une pellicule comprenant une couche noyau comportant un matériau choisi parmi un propylène à base de caoutchouc modifié et un mélange de polymères. Le mélange de polymères comporte un copolymère de propylène-éthylène élastomère et un constituant choisi parmi le groupe constitué de copolymères aléatoires de polypropylène, de copolymères à blocs de styrène/éthylène-butylène/styrène, et des combinaisons de ceux-ci.

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