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:
Oct. 10, 2023
Filed:
Oct. 18, 2017
Arkema France, Colombes, FR;
Benoît Brule, Beaumont-le-Roger, FR;
Antoine Breuil, Tokyo-to, JP;
Hao Wang, Jiangsu, CN;
Xiong Yao, Jiangsu, CN;
Arkema France, Colombes, FR;
Abstract
The use of at least one MXDZ polyamide, obtained from the polycondensation of meta-xylylenediamine (MXD), with a Cto Caliphatic (Z) dicarboxylic acid, in particular Cto C, in a mixture including at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a Cto Clactam, a Cto Camino acid, and an XY unit obtained from the polycondensation of a Cto C, aliphatic diamine (X), especially Cto C, and a Cto Caliphatic dicarboxylic acid (Y), especially Cto C, circular-section glass fibres and optionally at least one impact modifier and/or at least one additive, said at least one MXDZ polyamide and said mixture constituting a composition, and the MXDZ/A weight ratio being from 0.11 to 0.83, in particular from 0.11 to 0.66, to limit the warping of said composition during processing, in particular by injection or compression moulding.