Unbalanced oriented multiple layer film

Details Unbalanced oriented multiple layer film Unbalanced oriented multiple layer film

B - Operations, Transporting

32

B

154/84

B32B 27/00 (2006.01)

Patent

CA 1240247

ABSTRACT OF THE DISCLOSURE An unbalanced multiple layer polymeric film having good interfacial adhesions has a first molecularly oriented polymeric surface layer of nylon on one surface thereof, and a second molecularly oriented polymeric surface layer of a heat sealable ethylene-based polymer or copolymer on the other surface thereof. Films are disclosed having interior functional layers of EVOH and HDPE, along with adhesive polymers selected for good interfacial adhesion after orientation of the film in the machine direction. Processes for making and orienting the films are also disclosed.

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