The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 2018
Filed:
Nov. 07, 2014
Rhodia Operations, Paris, FR;
Rhodia Operations, Paris, FR;
Abstract
The invention pertains to A polyannide composition [composition (C)] comprising: —from 20 to 95% wt of at least one polyamide [polyamide (A)]; —from 1 to 30% wt of at least one branched polyamide different from polyamide (A), said branched polyamide comprising recurring units derived from polycondensation of a mixture [mixture (B)] comprising: —at least one polyamine monomer comprising at least three amine functional groups selected from the group consisting of secondary amine group of formula —NH— and primary amine group of formula -MH[monomer (FN)], and—ε-caprolactam (or derivates thereof); said branched polyamide possessing a concentration of amine end groups (AEG) and a concentration of carboxylic end groups (CEG) such that the difference AEG−CEG is of at least 100 meq/kg [polyamide (B)]; and—from 0.01 to 3.5% wt of at least one thermal stabilizer [stabilizer (S)], —optionally, from 0 to 60% wt of at least one filler [filler (F)]; —optionally, from 0 to 20% wt of at least one impact modifying rubber [rubber (I)]; —optionally, from 0 to 20% wt of other conventional additives, with above % wt being referred to the total weight of composition (C).