C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/48 (2006.01) C08G 69/04 (2006.01) C08G 69/08 (2006.01) C08G 69/26 (2006.01) C08L 77/00 (2006.01)
Patent
CA 2412765
The invention concerns modified polyamides, and more particularly polyamides comprising units of the type obtained by reacting a diacid on a diamine, modified by a multifunctional compound. Finished articles formed from said polyamides or from compositions based on said polyamides exhibit excellent mechanical properties, as well as a very good surface appearance. The inventive modified polyamide is obtained by mixing in melted state polyamides of different types, in the presence of a multifunctional compound.
L'invention concerne des polyamides modifiés, et plus particulièrement des polyamides comportant des motifs du type de ceux obtenus par réaction d'un diacide sur une diamine, modifiés par un composé multifonctionnel. Les articles finis mis en forme à partir de ces polyamides ou de compositions à base de ces polyamides présentent d'excellentes propriétés mécaniques, ainsi qu'un très bon aspect de surface. Le polyamide modifié selon l'invention est obtenu par mélange en fondu de polyamides de différentes natures, en présence d'un composé multifonctionnel.
Peduto Nicolangelo
Speroni Franco
Zhang Haichun
Rhodia Engineering Plastics S.r.l.
Robic
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