Multiple-layer polyolefin films

Details Multiple-layer polyolefin films Multiple-layer polyolefin films

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B32B 27/32 (2006.01) B32B 27/38 (2006.01) C08J 7/04 (2006.01)

Patent

CA 2059981

A multiple-layer film comprises an oriented propylene polymer substrate having on opposed surfaces thereof, respectively, a first vinylidene halide copolymer having a Tg of up to 25°C and a molecular weight not exceeding 135,000 and a second vinylidene halide copolymer having a Tg greater than that of the first copolymer. Such films offer excellent sealing profile, blocking resistance, gas-barrier, humid ageing and printing characteristics.

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