Grafted propylene copolymers

Details Grafted propylene copolymers Grafted propylene copolymers

C - Chemistry, Metallurgy

08

F

C08F 255/02 (2006.01) B32B 27/08 (2006.01) C09J 123/02 (2006.01) C09J 151/06 (2006.01)

Patent

CA 2495593

Improved grafted propylene copolymer compositions and adhesive blends containing same are provided. The grafts are obtained by reacting propylene- ethylene impact copolymers having specified rubber contents and molecular weight distributions with ethylenically unsaturated acids or acid derivatives, such as maleic anhydride.

L'invention concerne des compositions copolymères de propylène greffés améliorées et des mélanges adhésifs les renfermant. Les greffes sont obtenues par réaction de copolymères d'impact de propylène-éthylène ayant des teneurs de caoutchouc et des distributions de poids moléculaire spécifiées avec des acides éthyléniquement insaturés ou des dérivés acides, par exemple l'anydride maléique.

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