Retortable, high oxygen barrier polymeric films

Stock material or miscellaneous articles – Composite – Of polyamide

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2641761, 4284755, 4284761, 4284763, 4284769, 428910, B32B 2734, B32B 2732

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active

057077509

ABSTRACT:
A polymeric film having superior oxygen barrier properties comprising at least five layers with two exterior layers independently selected from the group consisting of an aliphatic polyamide and an aliphatic/aromatic polyamide, an interior layer of ethylene vinyl alcohol copolymer or a blend of poly(m-xylylene adipamide) and ethylene vinyl alcohol copolymer, and a modified polyolefin adhesive layer between each exterior layer and the interior layer.

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