C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3018, 18/514
C08L 77/00 (2006.01) C08L 77/06 (2006.01) C08L 77/12 (2006.01)
Patent
CA 2231020
This invention involves new compounds consisting of a matrix of a blend of polyamide and polyamide and polyether block polymers containing a dispersed cross-linked phase. According to the invention, the compounds have a melt strength in excess of 1.5 and a flexural modulus at 23 degrees C (ISO 178-93) of less than 700 MPa. They are useful for making blown extruded parts, particularly in the automobile industry.
L'invention concerne de nouvelles compositions comprenant une matrice en alliage de polyamide et de polymère à blocs polyamide et blocs polyéther, dans laquelle est dispersée une phase réticulée. Les compositions selon l'invention ont un melt strength supérieur à 1,5 et un module de flexion à 23°C (selon ISO 178-93) inférieur à 700 MPa. Elles sont utiles pour faire des pièces extrudées soufflées en particulier pour l'automobile.
Bouilloux Alain
Teze Laurent
Elf Atochem S.a.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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