公开(公告)号：US11945135B2

公开(公告)日：2024-04-02

申请号：US16470390

申请日：2017-12-20

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Arthur Pierre Babeau ,  Thibaut Savart ,  François Tanguy ,  Denis Huze ,  Mathieu Capelot ,  Patrice Gaillard

IPC: B29B15/12 ,  B29C70/20 ,  B29C70/54 ,  B29K101/12 ,  B29K307/04

CPC classification number: B29B15/12 ,  B29C70/20 ,  B29K2101/12 ,  B29K2307/04

Abstract: The invention relates to a process for manufacturing a pre-impregnated fibrous material comprising a continuous fibre fibrous material and at least one thermoplastic polymer matrix, characterized in that said pre-impregnated fibrous material is made of a single unidirectional ribbon or a plurality of parallel ribbons unidirectional and in that said method comprises an impregnation step, in particular at the core, of said fibrous material being in the form of a roving or of several parallel rovings by said thermoplastic polymer being in powder form, said step of impregnation being carried out with said at least one thermoplastic polymer and said fibrous material the D90/D10 ratio of which by volume of the thermoplastic polymer particles ranges from 1.5 to 50, in particular from 2 to 10 and the ratio of the average diameter by volume (D50) thermoplastic polymer particles on the average diameter of the unit fibres of said fibrous material ranges from 3 to 40, except for an impregnation process in aqueous suspension of a fibrous material made of carbon fibres by a thermoplastic polymer, said D50/mean unit fibre diameter ratio being comprised from 3 to 8, and excluding any electrostatic process in voluntary charge.

公开(公告)号：US11938656B2

公开(公告)日：2024-03-26

申请号：US16623946

申请日：2018-06-21

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Mathieu Capelot ,  Thibaut Savart ,  Arthur Pierre Babeau ,  Denis Huze ,  François Tanguy ,  Patrice Gaillard

IPC: B29B15/12 ,  B29C35/08 ,  B29C70/50 ,  B29K77/00 ,  B29K307/04 ,  B29K507/04

CPC classification number: B29B15/125 ,  B29C35/0805 ,  B29C70/506 ,  B29C2035/0822 ,  B29K2077/00 ,  B29K2307/04 ,  B29K2507/04

Abstract: A method of manufacturing an impregnated fibrous material including a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, the method including pre-impregnating the fibrous material while it is in the form of a roving or several parallel rovings with the thermoplastic material and heating the thermoplastic matrix for melting, or maintaining in the molten state, the thermoplastic polymer after pre-impregnation, the at least one heating step being carried out by means of at least one heat-conducting spreading part (E) and at least one heating system, with the exception of a heated calendar, the roving or the rovings being in contact with part or all of the surface of the at least one spreading part (E) and partially or wholly passing over the surface of the at least one spreading part (E) at the level of the heating system.

公开(公告)号：US11345131B2

公开(公告)日：2022-05-31

申请号：US16062231

申请日：2016-12-15

Applicant: ARKEMA FRANCE

Inventor： Thierry Briffaud ,  Mathieu Capelot ,  Nicolas Dufaure

IPC: B32B27/34 ,  C08G69/26 ,  C08L77/06 ,  B32B27/08 ,  B32B27/28 ,  B32B27/30 ,  B32B7/10 ,  B32B27/36 ,  B32B27/20 ,  B32B27/22 ,  B65D65/40

Abstract: A barrier structure for the storage and/or transport of fluids, including at least one barrier layer (1) including an MPMDT/XT copolyamide in which: MPMDT is a unit with an amide motif having a molar ratio of between 5 and 50%, particularly between 5 and 45%, preferably between 15 and 45%, more preferably between 20 and 45%, where MPMD is 2-methyl pentamethylene diamine (MPMD) and T is terephthalic acid, XT being a unit with a majority amide motif having a molar ratio of between 50 and 95%, particularly between 55 and 95%, preferably between 55 and 85%, more preferably between 55 and 80%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, the copolyamide having a melting point of 250° C.

公开(公告)号：US10961348B2

公开(公告)日：2021-03-30

申请号：US16512438

申请日：2019-07-16

Applicant: Arkema France

Inventor： Mathieu Capelot ,  Gilles Hochstetter

IPC: C08K7/14 ,  C08L77/06 ,  C08K7/02 ,  C08G69/36 ,  C08G69/26 ,  C08G69/28 ,  C08J5/24 ,  B29C67/24 ,  B29K77/00

Abstract: The invention relates to a composition for thermoplastic composite material comprising: 30% to 60% by volume, preferentially 35% to 50% by volume, of a thermoplastic matrix comprising from 50% to 100% by weight of a semi-crystalline polyamide polymer and from 0% to 50% by weight of at least one additive and/or of at least one other polymer, 40% to 70% by volume, preferentially 50% to 65% by volume, of long reinforcing fibers (or of long fibrous reinforcement), said thermoplastic matrix impregnating said long reinforcing fibers (or said long fibrous reinforcement), said semi-crystalline polyamide polymer being a nonreactive composition of at least one polyamide polymer, said composition being that of said thermoplastic matrix defined above, and said reactive polyamide prepolymer of the composition a) and said polyamide polymer of the composition b) comprising or consisting of at least one BACT/XT copolyamide.

公开(公告)号：US11413832B2

公开(公告)日：2022-08-16

申请号：US16078399

申请日：2017-12-20

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Arthur Pierre Babeau ,  Thibaut Savart ,  François Tanguy ,  Denis Huze ,  Mathieu Capelot ,  Patrice Gaillard

IPC: B29C70/52 ,  B29C70/20 ,  B29C70/08 ,  B29B15/12 ,  B01J8/38 ,  B29K101/12 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  B29K77/00 ,  B29K105/10

Abstract: The invention relates to a process for manufacturing a preimpregnated fibrous material containing a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, wherein the preimpregnated fibrous material is produced as a single unidirectional tape or of a plurality of parallel unidirectional tapes and wherein the process includes a step of impregnating, in particular fully and homogeneously, the fibrous material that is in the form of a roving or of several parallel rovings with the at least one thermoplastic polymer matrix that is in powder form, the impregnating step being carried out by a dry route in a tank and the control of the amount of the at least one thermoplastic polymer matrix in said fibrous material being achieved by control of the residence time of said fibrous material in the powder, with the exclusion of any electrostatic process with intentional charging.

公开(公告)号：US10961362B2

公开(公告)日：2021-03-30

申请号：US15778080

申请日：2016-12-09

Applicant: ARKEMA FRANCE

Inventor： Mathieu Capelot ,  Gilles Hochstetter

IPC: B29C45/00 ,  B29L31/30 ,  B29C70/48 ,  B29K77/00 ,  B29K105/16 ,  B29K507/04 ,  C08J5/04 ,  C08L77/06 ,  C08G69/00 ,  C08G69/28

Abstract: A process and reactive prepolymer composition for producing a part made of a thermoplastic composite material by molding in a closed mold, where the material includes reinforcing fibers and a polyamide thermoplastic matrix impregnating the fibers having the steps of preparing the reactive prepolymer precursor, injecting the reactive prepolymer precursor in the molten state into the closed mold containing the fibers, thereby impregnating the fibers with the reactive precursor mixture, bulk polymerizing the reactive prepolymer precursor in situ, and demolding the molded part produced.

公开(公告)号：US10738170B2

公开(公告)日：2020-08-11

申请号：US15579968

申请日：2016-06-23

Applicant: ARKEMA FRANCE

Inventor： Mathieu Capelot ,  Gilles Hochstetter

IPC: C08J5/06 ,  C08G69/36 ,  C08L77/06 ,  B29C70/52 ,  C08G69/26 ,  C08J5/04

Abstract: Method for open-mold production of a semi-crystalline thermoplastic polyamide matrix fiber-reinforced composite. The matrix has Tg>80° C. and Tf between 280° C. and 200° C. The matrix is prepared in-situ by molten state bulk polycondensation of a reactive precursor composition including A: a first polyamide prepolymer A1 each carrying two identical functions and a second polyamide prepolymer A2 each carrying two identical functions different from and coreactive with those of A1. The reactive precursors may alternatively include B: a prepolymer carrying (on the same chain) two different functions coreactive with each other. The reactive precursors may alternatively include a precursor composition that is a mixture of (A+B). The method involves successive steps of i) preparing the reactive mixture, ii) continuously coating the fibers by deposition-impregnation with the reactive mixture, iii) in-situ bulk polycondensation in an open heated die, and iv) cooling the composite.

公开(公告)号：US20170037186A1

公开(公告)日：2017-02-09

申请号：US15304620

申请日：2015-04-15

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

IPC: C08G69/48 ,  C08J5/04

CPC classification number: C08G69/48 ,  C08J5/04 ,  C08J2377/00 ,  C08J2377/06 ,  C08L77/06 ,  C08L63/00

Abstract: A reactive molding composition including a precursor reactive composition of a semi-crystalline thermoplastic polymer which is a semi-crystalline polyamide and optionally at least one fibrous reinforcement and with said precursor composition including a) at least one polyamide prepolymer bearing n identical functions X chosen from carboxyl and amine and b) at least one non-polymeric extender bearing two epoxy functions Y that are reactive with said functions X with n ranging from 1 to 3, said polymer and prepolymer a) being of specific composition comprising 55 mol % to 95 mol % of at least two amide units A, and 5 mol % to 45 mol % of amide units B with A corresponding to x.T in which x is a linear aliphatic C9-C18 diamine and B corresponding to x′.T, said polyamide having a Tg of at least 80° C. and a Tm of less than or equal to 280° C.

Abstract translation: 一种反应性模塑组合物，其包含半结晶热塑性聚合物的前体反应性组合物，其为半结晶聚酰胺和任选的至少一种纤维增强物，并且所述前体组合物包含a）至少一种具有相同功能的聚酰胺预聚物，X选自 羧基和胺，和b）至少一种具有两个环氧官能团Y的非聚合物增量剂，其与所述功能X反应，n范围为1至3，所述聚合物和预聚物a）具有包含55mol％至95mol 至少两个酰胺单元A的％，和5mol％至45mol％的酰胺单元B，其中A对应于xT，其中x是直链脂族C 9 -C 18二胺，B对应于x'.T，所述聚酰胺具有 Tg至少为80℃，Tm值小于或等于280℃

公开(公告)号：US11813828B2

公开(公告)日：2023-11-14

申请号：US16316361

申请日：2017-07-10

Applicant: Arkema France

Inventor： Mathieu Capelot ,  Nicolas Dufaure ,  Thierry Briffaud

IPC: B32B27/34 ,  C08G69/26 ,  B32B1/08 ,  B32B27/30 ,  B32B27/18 ,  B32B27/20 ,  B32B7/12 ,  B32B27/08

CPC classification number: B32B27/34 ,  B32B1/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/18 ,  B32B27/20 ,  B32B27/306 ,  C08G69/265 ,  B32B2250/24 ,  B32B2262/02 ,  B32B2262/0261 ,  B32B2262/0269 ,  B32B2262/0276 ,  B32B2262/0292 ,  B32B2262/10 ,  B32B2262/101 ,  B32B2262/105 ,  B32B2262/106 ,  B32B2307/7242 ,  B32B2307/7265 ,  B32B2439/00 ,  B32B2439/40 ,  B32B2439/60 ,  B32B2597/00 ,  C08G2390/00

Abstract: The invention relates to a structure comprising at least one layer (1) comprising a BACT/XT copolyamide in which: —BACT is a unit with an amide moiety having a molar ratio of between 20 and 70%, preferably between 25 and 60%, and more preferably between 35 and 55%, where BAC is chosen from 1,3-bis (aminomethyl) cyclohexyl (1,3 BAC), 1,4-bis (aminomethyl) cyclohexyl (1,4 BAC) and a mixture of same, and T is terephthalic acid, —XT is a unit with an amide moiety having a molar ratio of between 30 and 80%, preferably between 40 and 75%, and more preferably between 45 and 65%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, preferably a C10, C11 and C12 terephthalic acid.

公开(公告)号：US11578170B2

公开(公告)日：2023-02-14

申请号：US15304589

申请日：2015-04-14

Applicant: ARKEMA FRANCE

Inventor： Thierry Briffaud ,  Gilles Hochstetter ,  Mathieu Capelot

IPC: C08G69/26 ,  C08L77/12 ,  B29C70/06 ,  C08L77/06 ,  C08J5/04 ,  B29C45/00 ,  B29K77/00 ,  B29L7/00

Abstract: A composition including at least one polyamide polymer obtained from at least one reactive polyamide prepolymer including at least one chain extender (PA1-All1-PA1), the polyamide polymer being prepared at a temperature T1 no lower than the temperature melting temperature or glass transition temperature of the polymer and having a mean molecular weight Mn1. The composition has a melt viscosity which can be modulated according to the temperature to which the composition is exposed, wherein the temperature is between T2 and T3, T2 and T3 being higher than T1, and the melt viscosity η2 or η′3 observed at the temperature T2 or T3, respectively, being lower than the melt viscosity η2 or η3 of the polyamide polymer, which does not include a chain extender and has the same mean molecular weight Mn1(PA1) observed at the same temperature T2 or T3. The composition includes one or more polyamides.