Polyamides and polyolefins compositions having a high...

Details Polyamides and polyolefins compositions having a high... Polyamides and polyolefins compositions having a high...

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08L 23/00 (2006.01) C08L 77/02 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2196445

The invention relates to compositions consisting of: at least one polyamide (A); at least one polymer (B) comprising polyamide blocks and polyether blocks; at least one polyolefin (C); at least one functionalized polyolefin (D) and such that the bending modulus according to ISO 178-93 is 0.05 to 0.3 times the bending modulus of polyamide (A). These compositions have good flexibility, yet maintain a polyamide matrix and the related mechanical properties.

L'invention concerne des compositions comprenant: - au moins un polyamide (A); - au moins un polymère (B) comprenant des blocs polyamide et des blocs polyéther; - au moins une polyoléfine (C); - au moins une polyoléfine fonctionnalisée (D); et telles que le module de flexion selon la même ISO 178-93 soit 0,05 à 0,3 fois le module de flexion du polyamide (A). Ces compositions présentent une bonne souplesse tout en préservent une matrice polyamide et les propriétés mécaniques qui y sont associées.

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