Blends of polypropylene and ethylene copolymer and films...

Details Blends of polypropylene and ethylene copolymer and films... Blends of polypropylene and ethylene copolymer and films...

C - Chemistry, Metallurgy

08

L

18/523, 400/6569

C08L 23/08 (2006.01) B29C 47/04 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01) C08L 23/10 (2006.01) C08L 23/12 (2006.01) C08L 23/20 (2006.01)

Patent

CA 2048296

A composition of matter comprises a blend of propylene homopolymer or copolymer, and ethylene copolymer. Ethylene vinyl acetate copolymer (EVA), very low density polyethylene (VLDPE), and ethylene alpha olefin copolymer are preferred ethylene copolymers. VLDPE with a high molecular weight (low melt index), and with a broad molecular weight distribution (high flow rate ratio) is preferred. A multilayer film comprises a first layer comprising a propylene homopolymer or copolymer, or blend, and at least one outer sealable layer.

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