公开(公告)号：US20230127075A1

公开(公告)日：2023-04-27

申请号：US17798227

申请日：2021-02-08

Applicant: ARKEMA FRANCE

Inventor： Geoffroy CAMMAGE ,  Benoît BRULE

IPC: C08L77/06 ,  C08G69/04 ,  C08J3/14 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  B29C64/153

Abstract: The present invention relates to a polyamide powder having a high glass transition temperature and to the corresponding preparation method. The invention also relates to the articles made therefrom and to a method for the production thereof.

公开(公告)号：US20220185991A1

公开(公告)日：2022-06-16

申请号：US17439865

申请日：2020-03-17

Applicant: Arkema France

Inventor： Jean-Jacques FLAT ,  Benoît BRULE ,  Ornella ZOVI ,  Jean-Charles DURAND

IPC: C08K5/5357

Abstract: Process for the preparation of flame-retarded parts by powder bed fusion, in which the powder comprises at least one polyamide and at least one flame-retardant agent of cyclic phosphonate ester type.

公开(公告)号：US20200172670A1

公开(公告)日：2020-06-04

申请号：US16640178

申请日：2018-09-10

Applicant: Arkema France

Inventor： Benoît BRULE ,  Nadine DECRAEMER ,  Ilias ILIOPOULOS

IPC: C08G65/40 ,  B29C71/00 ,  B29C71/02

Abstract: A part including polyetherketoneketone, in which the polyetherketoneketone is at least partially crystalline and in which at least 50% by weight of the crystalline polyetherketoneketone is of form 1. Also a process for the manufacture of such a part, the process including the provision of polyetherketoneketone; the shaping of the polyetherketoneketone and the at least partial crystallization of the polyetherketoneketone in the form 1.

公开(公告)号：US20170335101A1

公开(公告)日：2017-11-23

申请号：US15520913

申请日：2015-10-09

Applicant: ARKEMA FRANCE

Inventor： Benoît BRULE ,  Richard AUDRY ,  Jerome PASCAL

IPC: C08L71/00

CPC classification number: C08L71/00 ,  C08G2650/40 ,  C08L2205/02 ,  C08L2205/025

Abstract: A composition based on poly(ether ether ketone) (PEEK) including poly(ether ketone ketone) (PEKK), characterized in that the poly(ether ketone ketone) (PEKK) includes a mixture of terephthalic and isophthalic units, the percentage by weight of terephthalic units, with respect to the sum of the terephthalic and isophthalic units, being between 55 and 85%, limits included, and preferably between 55 and 70%, the composition including between 1 and 40%, limits included, preferably between 5 and 40% and more preferably still between 10 and 30% by weight of PEKK, with respect to the total weight of the composition.

公开(公告)号：US20170022363A1

公开(公告)日：2017-01-26

申请号：US15301251

申请日：2015-03-31

Applicant: ARKEMA FRANCE

Inventor： Mathieu SABARD ,  Benoît BRULE ,  Jean-Jacques FLAT

IPC: C08L77/02

Abstract: A composition including: between 45 and 94.95 wt. % of a matrix having at least one polyamide; between 0.05 and 20 wt. % of at least one prepolymer, the proportion by weight of the polyamide matrix and that of the prepolymer being respectively between 60 and 99.9 wt. % and between 40 and 0.1 wt. % in relation to the total amount of polyamide-prepolymer; between 5 and 45 wt. % of at least one impact modifier; and between 0 and 20% of an additive, said composition having a higher level of fluidity in the melted state than the same composition without prepolymer.

Abstract translation: 一种组合物，其包含：45至94.95重量％ ％的具有至少一种聚酰胺的基质; 0.05至20wt。 ％的至少一种预聚物，聚酰胺基质和预聚物的重量比分别为60-99.9重量％。 ％和40至0.1wt。 相对于聚酰胺预聚物的总量为％ 5至45wt。 ％至少一种抗冲改性剂; 和0至20％的添加剂，所述组合物在熔融状态下具有比不含预聚物的相同组合物更高的流动性水平。

公开(公告)号：US20220213274A1

公开(公告)日：2022-07-07

申请号：US17610830

申请日：2020-05-15

Applicant: Arkema France

Inventor： Alexis MORFIN ,  Benoît BRULE ,  Apolline PALAIS ,  Nadine DECRAEMER

IPC: C08G81/00 ,  C08K3/36 ,  C08K3/22 ,  C08J3/12 ,  C08G69/40 ,  C09D177/00 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/00 ,  B29C64/153 ,  B29C64/314

Abstract: A powder of a copolymer with polyamide blocks and polyether blocks. The invention concerns a composition comprising a powder of a copolymer with polyamide blocks and polyether blocks, the copolymer being in particle form with a pulverulent filler content of 0 to 10% by mass and the copolymer having a ratio by mass of the polyamide blocks to the polyether blocks of less than or equal to 0.7, the polyamide blocks having a number-average molar mass of less than or equal to 1000 g/mol; and the composition comprising a flow aid at a content of greater than or equal to 0.3% by mass. The invention also concerns the process for producing this composition, the use of the composition for constructing three-dimensional articles, and the three-dimensional articles manufactured from said composition.

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：US20210171709A2

公开(公告)日：2021-06-10

申请号：US16080261

申请日：2017-02-28

Applicant: Arkema France

Inventor： Benoît BRULE ,  Jérome Pascal

IPC: C08G65/40 ,  B29C64/153 ,  B29C64/264

Abstract: The invention relates to a poly(aryl-ether-ketone) (PAEK) powder, for use in a method for building objects layer-by-layer by electromagnetic radiation-generated sintering, said powder being characterized in that it is obtained from a thermal pretreatment at a temperature comprised between 260° C. and 290° C., preferably between 280° C. and 290° C., and in that it has a melting temperature which is stable, at the build temperature, and below or equal to 330° C., preferably below or equal to 320° C., and more preferably below or equal to 310° C.

公开(公告)号：US20200255661A1

公开(公告)日：2020-08-13

申请号：US16651598

申请日：2018-09-26

Applicant: Arkema France

Inventor： Maho YASUDA ,  Benoît BRULE ,  Benjamin SAILLARD ,  Marie POMMIER DE SANTI

IPC: C08L77/06

Abstract: The present invention relates to transparent polyamide-based composition, comprising: from 5.0 to 40.0% by weight of semi-crystalline polyamide, from 20.0 to 80.0% by weight of at least one amorphous, transparent and at least partially cycloaliphatic polyamide, from 0.0 to 5.0% by weight of PEBA, from 0.0 to 5.0% by weight of additives, and from 5.0 to 50.0%, preferably from 10.0 to 40.0% by weight, preferably from 20.0 to 30.0% by weight by weight of glass filler, where the glass filler, expressed as % by weight with respect to the total weight of filler, less than 60 wt. % silica (SiO2) and more than 5 wt. % of boron oxide (B2O3). The invention also relates to the manufacture of said composition, its use for the manufacture of transparent articles, said transparent articles and their process of manufacture.

公开(公告)号：US20190241738A1

公开(公告)日：2019-08-08

申请号：US16342359

申请日：2017-10-18

Applicant: ARKEMA FRANCE

Inventor： Benoît BRULE ,  Antoine BREUIL ,  Hao WANG ,  Xiong YAO

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

CPC classification number: C08L77/06 ,  C08K7/14 ,  C08L77/02 ,  C08L2203/20 ,  C08L2205/025 ,  C08L77/00

Abstract: The use of at least one MXDZ polyamide, obtained from the polycondensation of meta-xylylenediamine (MXD), with a C6 to C18 aliphatic (Z) dicarboxylic acid, in particular C6 to C12, in a mixture including at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a C6 to C12 lactam, a C6 to C12amino acid, and an XY unit obtained from the polycondensation of a C4 to C18, aliphatic diamine (X), especially C4 to C12, and a C6 to C18 aliphatic dicarboxylic acid (Y), especially C6 to C12, 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.