公开(公告)号：US20250027607A1

公开(公告)日：2025-01-23

申请号：US18708442

申请日：2022-11-08

Applicant: ARKEMA FRANCE ,  COVESS

Inventor： Gilles HOCHSTETTER ,  Thibaut SAVART ,  Arthur BABEAU ,  Axel SALINIER ,  Tony VANSWIJGENHOVEN ,  Johan DE CLIPPELEIR

IPC: F17C1/16 ,  B32B5/28 ,  B32B27/12 ,  B32B27/34

Abstract: A tank comprising a multi-layer structure, for storing compressed gas, including in succession from inside to outside at least the three following layers: at least one sealing layer of a composition including at least one semi-crystalline thermoplastic polyamide having a Tm of less than or equal to 280° C., at least one intermediate composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one semi-crystalline thermoplastic polyamide having a Tg of less than 100° C., at least one outer composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one polyphthalamide having a Tg of greater than 80° C., the outermost sealing layer being welded to the innermost intermediate composite reinforcing layer and the outermost intermediate composite reinforcing layer being welded to the innermost outer composite reinforcing layer.

公开(公告)号：US20220275157A1

公开(公告)日：2022-09-01

申请号：US17624653

申请日：2020-07-07

Applicant: Arkema France

Inventor： Yves DEYRAIL ,  Gilles HOCHSTETTER ,  Thomas BOUCHERES ,  Adrian CAUSIER

IPC: C08J5/24 ,  B29C70/52

Abstract: A method for manufacturing at least one impregnated fibrous material including a fibrous material made of continuous fibers and at least one thermoplastic polymer, the method including a step of impregnating the at least one fibrous material in a pultrusion head by injecting a reactive composition in the melt state including at least one precursor of the thermoplastic polymer in the presence of the fibrous material, the at least one fibrous material on entry into the pultrusion head being divided in its thickness into layers, with each layer circulating in its own channel within the pultrusion head, the reactive composition being injected into each channel and/or between the layers when they are recombined at the exit from each channel, the channel being heated, in which the precursors of the thermoplastic polymer are at least partly polymerized.

公开(公告)号：US20200216627A1

公开(公告)日：2020-07-09

申请号：US16624441

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: C08J5/24

Abstract: The present invention relates to an impregnated fibrous material comprising a fibrous material made of continuous fibers and at least one reactive thermoplastic prepolymer, and optionally a chain extender, characterized in that the at least one reactive thermoplastic prepolymer is partially polymerized, optionally with the chain extender, and has a number-average molecular weight (Mn) ranging from 500 to 10,000, preferably from 4,000 to 8000, the proportion of fibers in the impregnated fibrous material being 45 to 65% by volume, preferably 50 to 60% by volume, and in particular 54 to 60%.

公开(公告)号：US20180346666A1

公开(公告)日：2018-12-06

申请号：US15778080

申请日：2016-12-09

Applicant: ARKEMA FRANCE

Inventor： Mathieu CAPELOT ,  Gilles HOCHSTETTER

IPC: C08J5/04 ,  C08G69/28 ,  B29C45/00

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

Abstract: Provided is a process 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. Also provided is a reactive prepolymer precursor composition for use in the process.

公开(公告)号：US20180009968A1

公开(公告)日：2018-01-11

申请号：US15705713

申请日：2017-09-15

Applicant: Arkema France

Inventor： Pierre GERARD ,  Michel GLOTIN ,  Gilles HOCHSTETTER

IPC: C08K7/14 ,  C08K7/06 ,  C08F220/14 ,  B29C70/44 ,  C08F265/06 ,  C08L33/12 ,  C08J5/24 ,  B29K33/00

Abstract: The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material.

公开(公告)号：US20160347009A1

公开(公告)日：2016-12-01

申请号：US15117312

申请日：2015-02-11

Applicant: ARKEMA FRANCE

Inventor： Patrice GAILLARD ,  Gilles HOCHSTETTER ,  Thibaut SAVART

IPC: B29C70/50 ,  B29B15/12

CPC classification number: B29C70/504 ,  B29B15/12 ,  B29B15/125 ,  B29K2101/12 ,  B29K2105/08 ,  B29K2507/04 ,  B29L2007/007

Abstract: A method of manufacturing a pre-impregnated fibrous material produced as a plurality of unidirectional parallel tapes, said method including the following steps: i) impregnation of the fibrous material while it is in the form of several parallel rovings, said impregnation step including: ia) immersion in a bath containing an aqueous dispersion of thermoplastic polymer, said immersion being followed by ib) drying, then ii) shaping by calendering, using at least one heated calender, into the form of a plurality of unidirectional parallel tapes using said calender including a plurality of calendering grooves according to the number of said tapes and with a pressure and/or separation between the rolls of said calender regulated by a control system.

Abstract translation: 一种制造作为多个单向平行带的预浸渍纤维材料的方法，所述方法包括以下步骤：i）当纤维材料以几个平行粗纱的形式浸渍时，所述浸渍步骤包括： ）浸入含有热塑性聚合物的水性分散体的浴中，所述浸渍之后是ib）干燥，然后ii）使用所述压延机使用至少一个加热的压延机通过压延成形为多个单向平行带的形式，包括 根据所述带的数量和由控制系统调节的所述压延机的辊之间的压力和/或分离的多个压延槽。

公开(公告)号：US20240183494A1

公开(公告)日：2024-06-06

申请号：US18285830

申请日：2022-03-31

Applicant: ARKEMA FRANCE

Inventor： Thibaut SAVART ,  Arthur BABEAU ,  Axel SALINIER ,  Gilles HOCHSTETTER ,  Alexandre HAUCK ,  Damien BUSCA

IPC: F17C1/06 ,  F16L9/04 ,  F16L9/12

CPC classification number: F17C1/06 ,  F16L9/04 ,  F16L9/12 ,  F17C2201/0104 ,  F17C2201/0147 ,  F17C2203/012 ,  F17C2203/0621 ,  F17C2203/0624 ,  F17C2203/066 ,  F17C2203/0673 ,  F17C2209/2163 ,  F17C2209/232 ,  F17C2221/012

Abstract: A multilayer structure, intended for the transportation, for the distribution or for the storage of a gas, in particular hydrogen, including, from the inside toward the outside, N composite reinforcing layer(s), deposited on one another, and being of a fibrous material in the form of continuous fibers which is impregnated by a composition of at least one semicrystalline thermoplastic polymer P1, the M.p. of which, as measured according to ISO 11357-3:2013, is greater than or equal to 150° C., or at least one amorphous thermoplastic polymer, the Tg of which is greater than 80° C., N being of from 1 to 2000 layers, and an outer sealing layer (1) cohesive with the outermost composite reinforcing layer (2) and including a composition of the at least one thermoplastic polymer P1, the composition of the outer sealing layer (1) resulting from at least the outermost composite reinforcing layer (2) cohesive with the sealing layer.

公开(公告)号：US20220081520A1

公开(公告)日：2022-03-17

申请号：US17416098

申请日：2019-12-17

Applicant: Arkema France

Inventor： Gilles HOCHSTETTER ,  Lise DEVES ,  Mathieu CAPELOT ,  Thierry BRIFFAUD ,  Yves DEYRAIL

IPC: C08J5/04

Abstract: The present invention concerns an impregnated fibrous material comprising at least one continuous-fiber fibrous material in the form of a roving or a plurality of parallel rovings and at least one thermoplastic polymer matrix, characterized in that said at least one thermoplastic polymer is an amorphous or semi-crystalline polymer having a glass transition temperature such that Tg≥40° C., especially Tg≥100° C., in particular ≥120° C., the fiber content of said impregnated fibrous material being from 45 to 65% by volume, preferably from 50 to 60% by volume, especially from 54 to 60% by volume, the number-average molecular mass Mn of said thermoplastic polymer being from 11,000 to 25,000 g/mol, the melt viscosity of said thermoplastic polymer being from 80 to 1500 Pa·s, as measured by plane-plane rheology at 1 Hz and 2% deformation, at a temperature of Tg+220° C.

公开(公告)号：US20220063137A1

公开(公告)日：2022-03-03

申请号：US17415073

申请日：2019-12-16

Applicant: ARKEMA FRANCE

Inventor： Gilles HOCHSTETTER ,  Thibaut SAVART ,  Arthur Pierre BABEAU ,  Axel SALINIER

IPC: B29B15/12

Abstract: Method for manufacturing a material including a fibrous material with continuous fibres and a thermoplastic polymer matrix, the material being produced as a unidirectional band, the method including a step of pre-impregnation of a strand of the fibrous material by the matrix in powdered form, the pre-impregnation step being carried out in a fluidised bed including a grooved roller component, the strand being in contact with the surface of the roller component and including up to 0.1% by weight of sizing, the matrix rate being controlled by controlling the dwell time in the powder and by constantly controlling the tension of the strand when it is introduced into the fluidised bed.

公开(公告)号：US20210016523A1

公开(公告)日：2021-01-21

申请号：US17040230

申请日：2019-03-19

Applicant: ARKEMA FRANCE

Inventor： Gilles HOCHSTETTER ,  Thibaut SAVART ,  Arthur Pierre BABEAU ,  Anthony FLORENCIE ,  Patrice GAILLARD ,  Axel SALINIER

IPC: B29C70/52 ,  C08J5/04 ,  C08J5/24

Abstract: An impregnated fibrous material including at least one fibrous material of continuous fibers and: at least one non-reactive thermoplastic polymer matrix, or at least one reactive thermoplastic prepolymer, which is a precursor of the non-reactive thermoplastic polymer, optionally mixed with a chain extender, wherein the at least one non-reactive thermoplastic polymer or the reactive prepolymer is an amorphous polymer or prepolymer having a glass transition temperature such that Tg≥80° C., or is a semi-crystalline polymer or prepolymer having a melting temperature Tf≥150° C., the fiber content in the pre-impregnated fibrous material being between 45 and 65 volume %, and the average thickness of the impregnated fibrous material being less than or equal to 100 μm, independently of the number of fibers present in the fibrous material before impregnation.