公开(公告)号：US20250002678A1

公开(公告)日：2025-01-02

申请号：US18710871

申请日：2022-11-15

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD

IPC: C08K3/04 ,  B29C45/00 ,  B29K77/00 ,  B29K307/04 ,  C08K7/06 ,  C08K9/08

Abstract: The present invention relates to a molding composition comprising, by weight: a) from 50% to 99% of a semicrystalline aliphatic polyamide exhibiting an inherent viscosity of less than or equal to 1.10, in particular of less than or equal to 1.00, in particular of less than or equal to 0.95, especially of less than or equal to 0.9, as determined according to the standard ISO 307:2007 but while using m-cresol instead of sulfuric acid, a temperature of 20° C. and a concentration of 0.5% by weight, b) from 1% to 50% of recycled carbon fibers exhibiting a mean length of less than or equal to 6 mm before compounding, said recycled carbon fibers being surface-coated (sized) with a polyamide, in particular an aliphatic polyamide, c) from 0% to 5% of at least one additive, the sum of the components a), b) and c) being equal to 100%.

公开(公告)号：US20220153998A1

公开(公告)日：2022-05-19

申请号：US17439298

申请日：2020-03-13

Applicant: Arkema France

Inventor： Mathieu SABARD ,  Benoît BRULE ,  Marie POMMIER DE SANTI ,  Stefania CASSIANO GASPAR ,  Damien VITRY ,  Rui MAO

IPC: C08L77/06 ,  C08J5/04 ,  C08L77/04 ,  C08L77/02

Abstract: A copolyamide including at least two distinct units A and X1Y of formula A/X1Y, wherein: A is a repeating unit obtained by polycondensation of: at least one C9 to C18 amino acid, or at least one C9 to C18 lactam, or at least one C4-C36 dicarboxylic acid Cb; X1Y is a repeating unit obtained from the polycondensation of at least one C9 to C18 linear aliphatic diamine (X1), and at least one aromatic dicarboxylic acid (Y), to prepare a composition comprising between 35 and 65% of reinforcing fibers, relative to the total weight of the composition, and for which the flexural modulus or tensile modulus, measured after an identical conditioning, does not vary by more than 20% in the temperature range from 20° C. to 40° C.

公开(公告)号：US20200172672A1

公开(公告)日：2020-06-04

申请号：US16612150

申请日：2018-05-04

Applicant: Arkema France

Inventor： Inci TURAN-ALTUNTAS ,  Quentin PINEAU ,  Philippe BLONDEL ,  Mathieu SABARD

IPC: C08G69/26 ,  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 X.X′/Y.Z type, wherein: (i) X.X′ is an aliphatic diamine.diacid pair; (ii) Y is a cycloaliphatic diamine; (iii) Z being an aliphatic and/or aromatic dicarboxylic acid.

公开(公告)号：US20240026153A1

公开(公告)日：2024-01-25

申请号：US18253402

申请日：2021-11-16

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Mathieu SABARD ,  Fabrice GLASSON ,  Olivier MASSOT

IPC: C08L77/06 ,  C08L77/02 ,  C08L53/02 ,  C08K7/14

CPC classification number: C08L77/06 ,  C08L77/02 ,  C08L53/02 ,  C08K7/14 ,  C08L2201/10 ,  C08L2203/30 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/53

Abstract: A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.

公开(公告)号：US20230212393A1

公开(公告)日：2023-07-06

申请号：US18001138

申请日：2021-06-14

Applicant: ARKEMA FRANCE

Inventor： Mathieu SABARD ,  Fabrice GLASSON ,  Cristian TITTOTO

IPC: C08L77/10 ,  C08L53/00 ,  C08K7/28 ,  C08K7/02 ,  C08G69/40

CPC classification number: C08L77/10 ,  C08L53/00 ,  C08K7/28 ,  C08K7/02 ,  C08G69/40 ,  C08L2203/20

Abstract: Molding composition, including by weight: (A) from 38 to 79.5% of at least one semi-crystalline aliphatic polyamide with the exclusion of PA6 and PA66, (B) from 10 to 20% of carbon fibres, (C) from 10 to 20% of hollow glass beads, (D) from 5.5 to 10% of at least one impact modifier having a flexural modulus of less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178: 2010, at 23° C., and (E) from 0.1 to 1% by weight of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D)+(E) of the composition being equal to 100%.

公开(公告)号：US20160152829A1

公开(公告)日：2016-06-02

申请号：US14897011

申请日：2014-06-06

Applicant: ARKEMA FRANCE

Inventor： Mathieu SABARD ,  Stéphane BIZET ,  Jean-Jacques FLAT ,  Grégoire AUSSEDAT

IPC: C08L87/00 ,  C08L77/02

CPC classification number: C08L87/005 ,  B32B27/22 ,  B32B27/32 ,  B32B27/34 ,  B32B2270/00 ,  B32B2307/3065 ,  B32B2307/71 ,  B32B2307/718 ,  C08L23/04 ,  C08L23/12 ,  C08L77/00 ,  C08L77/02 ,  C08L77/06 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L23/0869 ,  C08L51/06

Abstract: The present invention relates to a composition comprising at least two grafted copolymers having a polyolefin basic polymer chain and polyamide grafts, the polyamide grafts being 5 wt % and 35 wt % of the composition bonded to the first and second copolymer as well as a third component selected among certain polyamides, polyethylenes or polypropylenes or a mixture thereof. The invention also relates to a multilayer structure comprising a plurality of adjacent layers, at least one of which consists of the aforementioned composition.

Abstract translation: 本发明涉及包含至少两种具有聚烯烃碱性聚合物链和聚酰胺接枝物的接枝共聚物的组合物，所述聚酰胺接枝物为与第一和第二共聚物结合的组合物的5重量％和35重量％，以及第三组分 选自某些聚酰胺，聚乙烯或聚丙烯或其混合物。 本发明还涉及包括多个相邻层的多层结构，其中至少一个由上述组成构成。

公开(公告)号：US20160053105A1

公开(公告)日：2016-02-25

申请号：US14779236

申请日：2014-03-17

Applicant: ARKEMA FRANCE

Inventor： Mathieu SABARD ,  Stephane BIZET ,  Jean-Jacques FLAT

IPC: C08L51/00 ,  C08L51/04

CPC classification number: C08L51/006 ,  B32B27/06 ,  B32B27/18 ,  B32B27/22 ,  B32B27/308 ,  B32B27/32 ,  B32B27/34 ,  B32B2307/20 ,  B32B2307/3065 ,  B32B2307/71 ,  B32B2307/714 ,  C08G69/08 ,  C08G69/48 ,  C08L23/0869 ,  C08L51/04 ,  C08L51/06 ,  C08L77/00 ,  C08L77/02 ,  C08L87/005 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03

Abstract: A composition including at least two grafted copolymers, having a polyolefin trunk and polyamide grafts, the polyamide grafts being 15% to 25% by weight of the composition. Also, a multilayered structure including a plurality of adjacent layers, at least one of which has the above composition. The first grafted copolymer is a polyolefin backbone containing a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X). The second copolymer is a grafted elastomeric copolymer of a polyolefin backbone.

Abstract translation: 包含至少两种具有聚烯烃树脂和聚酰胺接枝的接枝共聚物的组合物，聚酰胺接枝物占组合物重量的15％至25％。 此外，包括多个相邻层的多层结构，其中至少一个具有上述组成。 第一接枝共聚物是含有至少一种不饱和单体（X）和多个聚酰胺接枝物的残余物的聚烯烃主链，聚酰胺接枝物通过不饱和单体（X）的残基连接到聚烯烃主链上。 第二共聚物是聚烯烃主链的接枝弹性共聚物。

公开(公告)号：US20240101820A1

公开(公告)日：2024-03-28

申请号：US18266598

申请日：2021-12-13

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD

IPC: C08L77/02 ,  C08G69/08 ,  C08G69/40 ,  C08K3/40 ,  C08K7/28

CPC classification number: C08L77/02 ,  C08G69/08 ,  C08G69/40 ,  C08K3/40 ,  C08K7/28 ,  C08G2120/00 ,  C08K2201/003 ,  C08K2201/014 ,  C08L2205/03 ,  C08L2205/06

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



(A) 38 to 87% of at least one semi-crystalline aliphatic polyamide,
(B) 3 to 25% of a hollow glass reinforcement,
(C) 5% to 30% glass fibers,
(D) 5 to 15% of at least one impact modifier chosen from a polyolefin, a polyether block amide (PEBA-1) and a mixture thereof, the polyolefin and the PEBA-1 having a flexural modulus less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178:2010, at 23° C.,
(E) 0 to 2% by weight of at least one additive,
the sum of the proportions of each constituent of said composition being equal to 100%,
the density of the composition being less than 1.12 g/cm3.

公开(公告)号：US20230331913A1

公开(公告)日：2023-10-19

申请号：US18006223

申请日：2021-07-19

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD ,  Yu SUN

IPC: C08G69/40 ,  C08K7/28

CPC classification number: C08G69/40 ,  C08K7/28 ,  C08K2201/003

Abstract: The present invention relates to a moulding composition comprising by weight: (A) 65% to 98%, in particular 65% to 95%, of at least one copolyamide with amide units (Ba1) and polyether units (Ba2), (B) 2% to 30%, in particular 5% to 30%, of hollow glass reinforcement, (C) 0 to 5%, preferably 0.1% to 2%, of at least one additive, the sum of the proportions of each constituent (A) + (B) + (C) of the composition being equal to 100%.

公开(公告)号：US20190085164A1

公开(公告)日：2019-03-21

申请号：US16082427

申请日：2017-03-16

Applicant: Arkema France

Inventor： Mathieu SABARD ,  Regis CIPRIANI ,  Karine LOYEN ,  Helena CHEMINET ,  René-Paul EUSTACHE

IPC: C08L77/02 ,  C08L77/06 ,  C08L23/16

Abstract: Provided is a composition including (A) 65% to 95% of a polyamide mixture, (B) 7% to 30% of at least one impact modifier or of at least one core-shell entity or of a mixture thereof, and (C) 0 to 5% of at least one additive chosen from stabilizers, dyes, plasticizers, fibers, fillers, processing aids or a mixture thereof. The composition may be used, for example, to produce an article by extruding, injection molding, molding or thermoforming.