Impact modifier for polyamides containing an elastomer and a...

Details Impact modifier for polyamides containing an elastomer and a... Impact modifier for polyamides containing an elastomer and a...

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08L 21/00 (2006.01) C08L 23/28 (2006.01) C08L 25/18 (2006.01)

Patent

CA 2223815

The invention relates to impact modifiers for polyamide compositions which improve the impact strength of the polyamides without adversely affecting the flexural modules of the composition. The impact modifiers comprise blends of general purpose rubbers and a halogenated copolymer of a C4 to C7 isomonoolefin and an alkylstyrene. In addition, the invention is drawn to a polyamide composition containing such impact modifiers.

L'invention concerne des modificateurs de la résistance au choc pour des compositions de polyamide. Lesdits modificateurs améliorent la résistance au choc de ces polyamides sans nuire au module de flexion de ces compositions. Ils contiennent des alliages de caoutchoucs à usage général et un copolymère d'isomono-oléfine halogénée (C4-C7) ainsi qu'un alkylstyrène. De plus, l'invention concerne une composition de polyamide contenant lesdits modificateurs de la résistance au choc.

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