One side heat sealable polypropylene film

B - Operations – Transporting – 32 – B

Patent

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154/140, 117/90.

B32B 27/08 (2006.01) B32B 27/16 (2006.01) B32B 27/18 (2006.01) B32B 27/32 (2006.01)

Patent

CA 2022704

An oriented, heat-sealable polymer film laminate having a core layer (b) of isotactic polypropylene, a first outer layer (a) of isotactic polypropylene containing an anti-blocking agent and a second outer, heat sealable layer (c) containing an anti-blocking agent and a silicone oil which, in service, transfers to provide a coefficient of friction-reducing amount thereof on the exposed surfaces of both layers (a) and (c).

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