Multilayer polypropylene film

B - Operations – Transporting – 32 – B

Patent

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B32B 27/08 (2006.01) B01J 19/18 (2006.01) B32B 27/32 (2006.01) C08F 210/06 (2006.01)

Patent

CA 1198355

ABSTRACT OF THE DISCLOSURE A multilayer polypropylene film comprising a crystalline polypropylene layer and a crystalline propylene/.alpha.-olefin or crystalline propylene/.alpha.-olefin/ethylene copolymer layer containing 10 to 30% by weight of a C4-C18 .alpha.-olefin, 0 to 5% by weight of ethylene and 15% by weight or less of a 20°C xylene- soluble polymer. The film has improved heat sealing properties and slipperiness.

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