公开(公告)号：US20240228748A1

公开(公告)日：2024-07-11

申请号：US18558856

申请日：2022-04-29

Applicant: ARKEMA FRANCE

Inventor： Amélie NOEL ,  François RUAS ,  Mathieu SABARD

IPC: C08K7/14 ,  A61L2/07 ,  A61L2/28 ,  B29C45/00 ,  B29K77/00 ,  C08K5/098 ,  C08K5/12

CPC classification number: C08K7/14 ,  A61L2/07 ,  A61L2/28 ,  B29C45/0005 ,  C08K5/098 ,  C08K5/12 ,  A61L2202/24 ,  B29K2077/00 ,  B29K2995/0017 ,  C08K2201/004

Abstract: The present invention relates to a molding composition comprising, by weight:



a) 20% to 60%, especially from 20% to 50%, in particular 25% to 39.9%, of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9, in particular greater than or equal to 10,




said at least one polyamide having an inherent viscosity in solution of less than or equal to 1.3, in particular less than or equal to 1.25, as determined in accordance with the standard ISO 307:2007 at a temperature of 20° C.,



b) 40% to 75% of glass fibers, especially from 50% to 75%, in particular from 60% to 70%, of glass fibers, and
c) 0% to 5% by weight, preferably 0.1% to 5% by weight, of at least one additive, the sum of the proportions of each constituent of said composition being equal to 100%.

公开(公告)号：US20230391953A1

公开(公告)日：2023-12-07

申请号：US18227532

申请日：2022-01-26

Applicant: ARKEMA FRANCE

Inventor： Clémence PACE ,  Vincent GUILLAUME ,  Mathieu SABARD

IPC: C08G69/08 ,  C08G69/26 ,  C08G69/36 ,  C08K7/14 ,  C08L23/12 ,  C08K5/5313 ,  B29C45/14 ,  C09D177/02 ,  C09D177/06

CPC classification number: C08G69/08 ,  C08G69/26 ,  C08G69/36 ,  C08K7/14 ,  C08L23/12 ,  C08K5/5313 ,  B29C45/14 ,  C09D177/02 ,  C09D177/06 ,  C08L2203/20 ,  B29C2045/14868 ,  B29K2077/00

Abstract: A composition including from: a) 35% to 100% by weight of at least one semicrystalline aliphatic polyamide and/or one polyamide of formula MXDZ wherein MXD is meta-xylylenediamine and Z is a C6 to C12 aliphatic dicarboxylic acid, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a total acidity between from 70 to 180 μeq/g and a total basicity of less than 100 μeq/g; b) 0 to 25% by weight of polyolefins; c) 0 to 60% by weight, of glass fibers; d) 0 to 2% by weight of at least one additive; e) 0 to 30% by weight of at least one flame retardant; the sum a)+b)+c)+d)+e) being equal to 100%, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a melt flow index (MFI) between from 4 to 50 g/10 min.

公开(公告)号：US20230060165A1

公开(公告)日：2023-03-02

申请号：US17794874

申请日：2020-06-25

Applicant: Arkema France

Inventor： Stefânia CASSIANO GASPAR ,  Benoît BRULE ,  Mathieu SABARD ,  Xiong YAO ,  Marie POMMIER DE SANTI

IPC: C08J5/04 ,  C08K7/14 ,  C08K5/098 ,  C08G69/26

Abstract: The field of molded articles and fiber-reinforced thermoplastic compositions for obtaining them. The use of the reinforced thermoplastic composition for obtaining a thin molded article with reduced warpage. The composition may include: from 30 to 70% by weight of an amorphous polyamide matrix by total weight of the composition; from 30 to 70% by weight of glass fibers with a circular cross-section by total weight of the composition; and optionally additives.

公开(公告)号：US20220340753A1

公开(公告)日：2022-10-27

申请号：US17642311

申请日：2020-09-16

Applicant: Arkema France

Inventor： Mathieu SABARD ,  Benoît BRULE ,  Stefania CASSIANO GASPAR ,  Clémence PACE

IPC: C08L77/02

Abstract: The present invention relates to the use of a mixture of at least one semi-crystalline aliphatic polyamide and at least one amorphous polyamide, wherein the at least one semi-crystalline aliphatic polyamide is obtained by polycondensation: of at least one C6 to C18, preferentially C10 to C18, more preferentially C10 to C12 amino acid, or at least one C6 to C18, preferentially C10 to C18, more preferentially C10 to C12 lactam, or at least one C4-C36, preferentially C5-C18, preferentially C5-C12, more preferentially C10-C12 diamine Ca, with at least one C4-C36, preferentially C6-C18, preferentially C6-C12, more preferentially C10-C12 dicarboxylic acid Cb; in order to prepare a semi-crystalline composition, the modulus of which does not vary by more than 25% within the temperature range from 10° C. to 40° C.

公开(公告)号：US20210371653A1

公开(公告)日：2021-12-02

申请号：US17286118

申请日：2019-10-17

Applicant: Arkema France

Inventor： Mathieu SABARD ,  Philippe BLONDEL ,  Benjamin SAILLARD ,  Frédéric MALET

IPC: C08L77/06

Abstract: A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a 2 mm layer, a transmittance at 560 nm of 90% or more; and a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide and wherein the polymer in the form of core-shell particles has a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide. Also, a process for the manufacture of the composition, and the composition capable of being obtained by said process.

公开(公告)号：US20180171140A1

公开(公告)日：2018-06-21

申请号：US15127607

申请日：2015-03-23

Applicant: ARKEMA FRANCE

Inventor： François FERNAGUT ,  René-Paul EUSTACHE ,  Mathieu SABARD ,  Yves DEYRAIL

IPC: C08L77/02 ,  A43B5/04

CPC classification number: C08L77/02 ,  A43B5/0482 ,  C08L77/00 ,  C08L77/06 ,  C08L2201/08 ,  C08L2205/02

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.