Stretched polyamide films

Details Stretched polyamide films Stretched polyamide films

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B32B 7/10 (2006.01) B32B 27/34 (2006.01) C08J 5/18 (2006.01) C08L 67/00 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2560137

A stretched polyamide film including at least one stretched layer made of a mixed resin containing a polyamide resin and a modified polyester-based elastomer Y The polyamide resin X is mainly constituted by m-xylylenediamine unit and C6-12 .alpha.,.omega.-aliphatic dicarboxylic acid unit. The modified polyester- based elastomer is graft-modified with an ethylenically unsaturated carboxylic acid or its anhydride. Such stretched polyamide film is drastically improved in the flexibility, impact resistance and pin-hole resistance with little reduction in the gas-barrier properties while retaining an enough transparency to practical use.

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