公开(公告)号：US11351762B2

公开(公告)日：2022-06-07

申请号：US16062185

申请日：2016-12-15

Applicant: ARKEMA FRANCE

Inventor： Thierry Briffaud ,  Mathieu Capelot ,  Nicolas Dufaure

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

Abstract: A barrier structure intended for the storage and/or transport of fluids including at least one barrier layer (1) including an MXDT/XT copolyamide in which: MXDT is an amide unit present in a molar ratio of between 5 and 45%, preferably between 15 and 45%, and more preferably between 20 and 45%, where MXD represents m-xylylenediamine (MXD) and T represents terephthalic acid, XT is a majority amide unit present in a molar ratio of between 55 and 95%, preferably between 55 and 85%, and 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, said copolyamide having a melting point: 250° C.

公开(公告)号：US20200325281A1

公开(公告)日：2020-10-15

申请号：US16087967

申请日：2017-03-24

Applicant: Arkema France

Inventor： Quentin PINEAU ,  Mathieu Capelot

IPC: C08G81/02 ,  C08J3/12 ,  C09D5/08 ,  C09D187/00

Abstract: A block copolymer comprising at least one polyamide block, at least one polyolefin block and at least one alkylene block is described, where the block copolymer has a melt viscosity of 300 Pa·s to 20,000 Pa·s. A preparation process, a composition containing the block copolymer, a method for using the composition, a coated metal part and use of the block copolymer is also described.

公开(公告)号：US10675785B2

公开(公告)日：2020-06-09

申请号：US16623991

申请日：2018-06-21

Applicant: Arkema France

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

IPC: C08L77/06 ,  B29B15/12 ,  C08J5/04 ,  B29K101/12

Abstract: An impregnated fibrous material comprising a fibrous material made of continuous fiber and at least one thermoplastic polymer matrix, wherein the at least one thermoplastic polymer is an non-reactive amorphous polymer, the glass transition temperature of which is such that Tg≥80° C., or a non-reactive semi-crystalline polymer, the melting temperature of which is Tf≥150° C., the fiber volume ratio is constant in at least 70% of the volume of the tape or ribbon, the fiber ratio in the pre-impregnated fibrous material ranging from 45 to 65% by volume, the porosity rate in the pre-impregnated fibrous material being less than 10%.

公开(公告)号：US10344126B2

公开(公告)日：2019-07-09

申请号：US15304563

申请日：2015-04-14

Applicant: ARKEMA FRANCE

Inventor： Thierry Briffaud ,  Gilles Hochstetter ,  Mathieu Capelot

IPC: C08G69/26 ,  C08L77/06 ,  C08L77/12 ,  B29C45/00 ,  B29C67/24 ,  B29C48/92 ,  B29C48/02 ,  B29C48/40 ,  B29K77/00 ,  B29K105/00 ,  B29C48/00

Abstract: The invention relates to a method for manufacturing a thermoplastic material, in particular a mechanical part made from said material, characterized in that it includes at least one step of injection molding a polyamide composition for a thermoplastic material or a composition of a thermoplastic material, or a step implemented by extrusion of same, said material including a thermoplastic matrix made from at least one thermoplastic polymer.

公开(公告)号：US12173129B2

公开(公告)日：2024-12-24

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：US12091576B2

公开(公告)日：2024-09-17

申请号：US17309761

申请日：2019-12-20

Applicant: ARKEMA FRANCE

Inventor： Takehiro Fukuyama ,  Mathieu Capelot ,  Samuel Devisme ,  Antoni Nogues ,  Lluis Casadevall

IPC: C09D5/03 ,  C09D127/16 ,  C09D167/02

CPC classification number: C09D5/031 ,  C09D5/033 ,  C09D127/16 ,  C09D167/02

Abstract: The invention relates to a resin composition comprising a blend of: a) 10 to 90% by weight of at least one fluoropolymer resin and b) 90 to 10% by weight of at least one semi-crystalline polyester resin, based on the total weight of the fluoropolymer resin and semi-crystalline polymer resin. The invention also relates to a method for producing such resin composition, to a powder coating composition comprising such resin composition and to the use of such resin composition, in particular for architectural powder coating.

公开(公告)号：US20200223101A1

公开(公告)日：2020-07-16

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

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：US10377856B2

公开(公告)日：2019-08-13

申请号：US15758923

申请日：2017-07-10

Applicant: ARKEMA FRANCE

Inventor： Mathieu Capelot ,  Gilles Hochstetter

IPC: C08K3/40 ,  C08L77/04 ,  C08L77/06 ,  C08L77/10 ,  C08G69/26 ,  C08G69/36 ,  C08K7/02 ,  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) a reactive composition comprising or consisting of at least one reactive polyamide prepolymer which is a precursor of said semi-crystalline polyamide polymer, or, as an alternative to a), b) 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：US10240016B2

公开(公告)日：2019-03-26

申请号：US15304657

申请日：2015-04-15

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

IPC: C08J5/24 ,  C08J5/04 ,  C08G69/48 ,  C08G69/44 ,  C08K5/353 ,  B29C45/00 ,  C08G69/26 ,  C08G69/32 ,  C08J5/10 ,  B29K77/00 ,  B29L31/00

Abstract: A process for a composite material, including an assembly of one or more reinforcing fibers, impregnated with at least one thermoplastic polymer with a glass transition temperature Tg of less than or equal to 75° C. and a melting point of from 150° C. to less than 250° C. or a Tg of greater than 75° C., the process including: i) a step of impregnating said assembly in bulk melt form with at least one thermoplastic polymer, which is the product of polymerization by polyaddition reaction of a reactive precursor composition including: a) at least one prepolymer P(X)n of said thermoplastic polymer, and b) at least one chain extender, represented by Y-A-Y, ii) a step of cooling and obtaining a fibrous preimpregnate, and iii) a step of processing and final forming of said composite material.

公开(公告)号：US20190084252A1

公开(公告)日：2019-03-21

申请号：US16078399

申请日：2017-12-20

Applicant: Arkema France

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

IPC: B29C70/52 ,  B29C70/20 ,  B29C70/08 ,  B29B15/12 ,  B01J8/38

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.