Process for producing propylene copolymers

Details Process for producing propylene copolymers Process for producing propylene copolymers

C - Chemistry, Metallurgy

08

F

402/418, 402/643

C08F 2/12 (2006.01) C08F 4/64 (2006.01) C08F 10/08 (2006.01)

Patent

CA 1215198

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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