公开(公告)号：US11359052B2

公开(公告)日：2022-06-14

申请号：US16612110

申请日：2018-05-04

Applicant: Arkema France

Inventor： Inci Turan-Altuntas ,  Quentin Pineau ,  Philippe Blondel ,  Mathieu Sabard

IPC: C08G69/40

Abstract: The present invention relates to a copolymer with a rigid polyamide block and a flexible polyether or polyester block, wherein said polyamide block is semicrystalline and consists of a copolyamide of W/Y.Z type, wherein: (i) W is a lactam or an alpha, omega-aminocarboxylic acid; (ii) Y is a cycloaliphatic diamine; (iii) Z is an aliphatic and/or aromatic dicarboxylic acid; and the W/Y.Z molar ratio is between 10/1 and 27/1 limits excluded.

公开(公告)号：US11142641B2

公开(公告)日：2021-10-12

申请号：US16302328

申请日：2017-05-17

Applicant: Arkema France

Inventor： Frédéric Malet ,  Mathieu Sabard ,  Philippe Blondel ,  Yves Deyrail

IPC: C08L77/02 ,  C08F12/08 ,  C08F36/06 ,  C08F36/08 ,  C08L9/06 ,  C08L77/06 ,  C08G69/40

Abstract: The invention relates to a composition comprising: (A) an amorphous or quasi-amorphous copolymer containing polyamide blocks and containing polyether blocks, the polyamide blocks comprising cycloaliphatic units; (B) a semicrystalline polymer or copolymer comprising amide units; (C) another polymer or copolymer comprising amide units; and (D) a multilayer polymer comprising at least a layer (D1) and a layer (D2). This composition has advantageous properties of transparency and impact strength, especially for the manufacture of sports articles.

公开(公告)号：US10358555B2

公开(公告)日：2019-07-23

申请号：US15127607

申请日：2015-03-23

Applicant: ARKEMA FRANCE

Inventor： François Fernagut ,  René-Paul Eustache ,  Mathieu Sabard ,  Yves Deyrail

IPC: A43B5/04 ,  C08L77/00 ,  C08L77/02 ,  C08L77/06

Abstract: Composition including: (A) 50% to 95% of at least one semicrystalline polyamide of formula A/Z in which: A is an aliphatic repeating unit chosen from a unit obtained from the polycondensation of at least one amino acid and a unit obtained from the polycondensation of at least one lactam or a unit X.Y obtained from the polycondensation of at least one diamine, and of at least one dicarboxylic acid, and Z represents another polyamide and is included from 0 to 20%; (B) 5% to 50% of at least one semicrystalline copolyamide comprising amide units (Ba1) and including polyether units (Ba2), having a glass transition temperature (Tg) below 75° C.; (C) 0% to 20% by weight of fibres and/or fillers, (D) 0% to 20% of at least one impact modifier, (E) 0% to 5% of at least one additive, for the manufacture of a sports article.