Film with improved antiblocking and adhesion properties

Details Film with improved antiblocking and adhesion properties Film with improved antiblocking and adhesion properties

B - Operations, Transporting

32

B

B32B 27/32 (2006.01)

Patent

CA 2543310

A multilayer plastic film includes a core layer and opposed skin layers. One of the skin layers includes a blend of more than 50% by weight high-density ethylene polymer and less than 50% by weight of a polar polymer. This blended skin layer is sufficiently active to bond to an extruded, heat-sealable layer of a polar, ionomer resin with an effective bond strength and without a primer between the skin layer and ionomer resin. A metal layer preferably is included on the other skin layer.

Un film en plastique multicouche comprend une couche d'âme et des couches d'enveloppe opposées. Une des couches d'enveloppe comprend un mélange de plus de 50 % en poids de polymère d'éthylène haute densité et moins de 50 % en poids d'un polymère polaire. La couche mixte d'enveloppe est suffisamment active pour adhérer à une couche thermosoudable extrudée d'une résine ionomère polaire avec une force de liaison suffisante et sans primaire entre la couche d'enveloppe et la résine ionomère. Une couche métallique est de préférence ajoutée sur l'autre couche d'enveloppe.

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