C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 297/08 (2006.01) C08F 10/06 (2006.01) C08F 210/06 (2006.01) C08L 23/14 (2006.01) C08L 23/16 (2006.01) C08F 4/659 (2006.01) C08F 110/06 (2006.01)
Patent
CA 2483204
The present invention relates to a propylene copolymer composition comprising A) a propylene copolymer containing from 1 to 20% by weight of olefins other than propylene and B) at least one propylene copolymer containing from 5 to 98% by weight of olefins other than propylene, where the propylene copolymer composition is obtainable by means of a two-stage or multistage polymerization using a catalyst system based on metallocene compounds which is used in both stages.
L'invention concerne une composition de copolymère de propylène renfermant: A) un copolymère de propylène qui contient entre 1 et 20 %, en poids, d'oléfines autres que du propylène, et B) au moins un copolymère de propylène qui contient entre 5 et 98 %, en poids, d'oléfines autres que du propylène. Ladite composition résulte d'une polymérisation en deux phases ou en plusieurs phases, qui repose sur l'utilisation d'un système catalyseur à base de composés métallocènes, lequel intervient dans les deux étapes considérées.
Fuchs Alexander
Morhard Friederike
Basell Polyolefine Gmbh
Mccarthy Tetrault Llp
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