Polypropylene compositions with improved impact strength

Details Polypropylene compositions with improved impact strength Polypropylene compositions with improved impact strength

C - Chemistry, Metallurgy

08

L

400/6578

C08L 23/12 (2006.01) C08L 23/08 (2006.01) C08L 23/18 (2006.01)

Patent

CA 1199746

Abstract of the Disclosure The invention concerns polypropylene compositions with improved impact strength characterised in that they contain: a) 40 to 98% by weight of isotactic polypropylene b) 2 to 60% by weight of a copolymer of linear low density polyethylene type with a density of up to 0.935, obtained by copolymerising a mixture of ethylene and one or more upper alpha-olefins, by a copolymerising process at a pressure below 4-106 Pa, in the absence of any liquid hydrocarbons. The polypropylene compositions are particularly adapted for conversion to finished articles by extrusion drawing, extrusion blow-moulding or thermoforming.

389967

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