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公开(公告)号：US20240384816A1
公开(公告)日：2024-11-21
申请号：US18695922
申请日：2022-09-22
Applicant: ARKEMA FRANCE
Inventor： Fidèle NIZEYIMANA , Nicolas DUFAURE , Antoine GOUPIL , Thomas PRENVEILLE
Abstract: A multilayer tubular structure intended for the transportation of hydrogen, including, from the outside toward the inside, at least one barrier layer and at least one internal layer located below the barrier layer, the internal layer or the combination of the layers and of the other optional layers located below the barrier layer containing, on average, from 0% to 1.5% by weight of plasticizer, with respect respectively to the total weight of the composition of the layer or to the total weight of the combination of the compositions of the layers and of the other optional layers located below the barrier layer, the internal layer exhibiting a content of extractables of less than or equal to 3% by weigh of the sum of the constituents of the composition, the internal layer predominantly including at least one polyamide of aliphatic type or having more than 75% of aliphatic units.
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公开(公告)号：US20230313917A1
公开(公告)日：2023-10-05
申请号：US18329161
申请日：2023-06-05
Applicant: Arkema France
Inventor： Emilie HACHET , Thibaut MONTANARI , Nicolas DUFAURE
IPC: F16L11/15 , B32B1/08 , B32B27/08 , B32B27/20 , B32B27/22 , B32B27/32 , B32B27/34 , B60K15/03 , B67D7/04 , B67D7/38 , C08L77/02 , C08L77/06
CPC classification number: F16L11/15 , B32B1/08 , B32B27/08 , B32B27/20 , B32B27/22 , B32B27/322 , B32B27/34 , B60K15/03177 , B67D7/04 , B67D7/38 , C08L77/02 , C08L77/06 , B32B2597/00
Abstract: A partially annulated flexible tubular structure located at least partially inside the fuel tank, of a vehicle, the structure being capable of being at least partially submerged in the tank and being intended for transporting the fuel into the tank, the tubular structure including at least one layer (1) including a composition including: a. between 39% and 100% by weight, in particular between 41% and 100% by weight, of at least one aliphatic polyamide of formula W/Z, b. between 0% and 4% by weight, and preferably between 0 and 2%, of at least one plasticizer, c. between 0% and 20% of at least one impact modifier, d. between 0% and 37% by weight of at least one additive, the sum of a.+b.+c.+d. being equal to 100% of the total weight of the composition, excluding a fuel transport structure running from the tank to the motor of the vehicle.
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公开(公告)号：US20230075842A1
公开(公告)日：2023-03-09
申请号：US17792540
申请日：2021-01-26
Applicant: ARKEMA FRANCE
Inventor： Nicolas DUFAURE , Patrick DANG , Antoine GOUPIL
Abstract: Multilayer structure for transporting hydrogen, including, from the inside, at least one sealing layer and at least one composite reinforcing layer, an innermost composite reinforcing layer being wound around an outermost adjacent sealing layer, the sealing layers of a composition predominantly of at least one semi-crystalline, long-chain polyamide thermoplastic polymer P1i (i=1 to n, n being the number of sealing layers), the Tf of which, as measured according to ISO 11357-3: 2013, is greater than 160° C., with the exception of one polyether block amide (PEBA), up to 50% by weight of impact modifier relative to the total weight of the composition and up to 1.5% by weight of plasticiser relative to the total weight of the composition, the composition being free of nucleating agent, and at least one of the composite reinforcing layers being of a fibrous material.
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公开(公告)号：US20180370208A1
公开(公告)日：2018-12-27
申请号：US16062231
申请日：2016-12-15
Applicant: ARKEMA FRANCE
Inventor： Thierry BRIFFAUD , Mathieu CAPELOT , Nicolas DUFAURE
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.
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公开(公告)号：US20220055335A1
公开(公告)日：2022-02-24
申请号：US17299575
申请日：2019-12-03
Applicant: Arkema France
Inventor： Thibaut MONTANARI , Nicolas DUFAURE , Marie GEORGEL
Abstract: A multilayer tubular structure intended for transporting a heat-transfer fluid, the multilayer tubular structure including: a first layer including at least one long-chain polyamide having between 10 and 15 carbon atoms per nitrogen atom and including at least 50% aliphatic units relative to the sum of the units present in the long-chain polyamide; a second layer including at least one polyamide having between 4 and 9 carbon atoms per nitrogen atom, the polyamide including at least 50% aliphatic units relative to the sum of the units present in the polyamide; an optional layer, the first layer containing no continuous fibres, the second layer being in contact with the transported fluid when an optional layer is not present, and the layer or layers representing at least 50% of the total thickness of the tube.
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Patent Agency Ranking
公开(公告)号：US20210215278A1
公开(公告)日：2021-07-15
申请号：US16967481
申请日：2019-02-19
Applicant: Arkema France
Inventor： Emilie HACHET , Thibaut MONTANARI , Nicolas DUFAURE
IPC: F16L11/15 , C08L77/06 , C08L77/02 , B32B1/08 , B32B27/34 , B32B27/08 , B32B27/22 , B32B27/32 , B32B27/20 , B67D7/04 , B67D7/38 , B60K15/03
Abstract: A partially annulated flexible tubular structure located at least partially inside the fuel tank, in particular the gasoline or diesel tank, particularly the gasoline tank, of a vehicle, said structure being capable of being at least partially submerged in said tank and being intended for transporting said fuel into said tank, said tubular structure comprising at least one layer (1) comprising a composition comprising: a. between 39% and 100% by weight, in particular between 41% and 100% by weight, of at least one aliphatic polyamide of formula W/Z, b. between 0% and 4% by weight, and preferably between 0 and 2%, of at least one plasticizer, c. between 0% and 20% of at least one impact modifier, d. between 0% and 37% by weight of at least one additive, the sum of a.+b.+c.+d. being equal to 100% of the total weight of the composition, excluding a fuel transport structure running from the tank to the motor of the vehicle.
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公开(公告)号：US20160152782A1
公开(公告)日：2016-06-02
申请号：US14891514
申请日：2014-05-16
Applicant: ARKEMA FRANCE
Inventor： Geoffroy CAMMAGE , Nicolas DUFAURE , Guillaume LE , Cyrille MATHIEU
CPC classification number: C08J3/245 , A61K8/022 , A61K8/84 , A61K8/87 , A61K8/88 , A61Q1/12 , A61Q19/00 , B29C64/153 , B29K2077/00 , B29K2079/085 , C08G69/48 , C08G73/14 , C08J2375/04 , C08J2377/02 , C08J2379/02 , C08J2379/08 , C08J2479/08 , C08L77/02 , C08L77/06 , C08L79/02 , C08L79/08
Abstract: The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same.
Abstract translation: 本发明涉及一种用于具有一种或多种不稳定氢功能的颗粒形式的聚合物的表面交联的方法，其包括实施交联剂的步骤，所述交联剂包含至少两个可能与所述不稳定氢功能反应的功能 聚合物，交联方法在低于聚合物熔点的温度下进行。 本发明还涉及粉末颗粒及其用途。
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公开(公告)号：US20240288121A1
公开(公告)日：2024-08-29
申请号：US18573626
申请日：2022-06-24
Applicant: ARKEMA FRANCE
Inventor： Nicolas DUFAURE , Marjorie MARCOURT , Thomas PRENVEILLE
IPC: F17C1/16
CPC classification number: F17C1/16 , F17C2203/012 , F17C2203/0604 , F17C2203/0619 , F17C2203/066 , F17C2203/0673 , F17C2209/2127 , F17C2209/2145 , F17C2209/232 , F17C2221/012
Abstract: Multilayer structure intended for the transportation, for the distribution and for the storage of hydrogen, including, from the inside toward the outside, at least one leaktightness layer (1) and at least one composite reinforcing layer (2), said innermost composite reinforcing layer being wound around said outermost adjacent leaktightness layer (1), said leaktightness layers having a composition predominantly including: at least one aliphatic polyamide thermoplastic polymer P1i, i=1 to n, n being the number of semicrystalline leaktightness layers, the Tm of which, as measured according to ISO 11357-3: 2013, is greater than 200° C., with the exclusion of a polyether block amide (PEBA), said polyamide thermoplastic polymer being a polyamide exhibiting a mean number of carbon atoms per nitrogen atom of from 7 to 9, up to 30% by weight of impact modifier, up to 1.5% by weight of plasticizer, said composition being devoid of nucleating agent.
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公开(公告)号：US20220364678A1
公开(公告)日：2022-11-17
申请号：US17620363
申请日：2021-01-26
Applicant: Arkema France
Inventor： Nicolas DUFAURE , Patrick DANG , Antoine GOUPIL
Abstract: A multilayer structure for transporting, distributing and storing hydrogen including, from the inside to the outside, a sealing layer and at least one composite reinforcement layer, the sealing layer including from the inside to the outside: a layer of a composition including: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or including: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier, up to 3% by weight of plasticizer; a hydrogen barrier layer; a layer of a composition including: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or including: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier, up to 3% of weight of plasticizer, the innermost composite reinforcement layer being wound around the sealing layer.
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公开(公告)号：US20200243820A1
公开(公告)日：2020-07-30
申请号：US16652560
申请日：2018-10-01
Applicant: Arkema France
Inventor： Wissam RACHED , Nicolas DUFAURE
IPC: H01M2/10
Abstract: The Invention Relates To A Battery Compartment For An Electric Or Hybrid Vehicle, Characterised In That It Consists Of A Composition Comprising: —20 To 80 Wt % Of Reinforcement Fibres Relative To The Total Weight Of The Composition; —0 To 20 Wt % Of At Least One Impact Modifier Relative To The Total Weight Of The Composition; —0 To 20 Wt % Of Additives Relative To The Total Weight Of The Composition; —The Remainder Being A Matrix Comprising: —Mainly At Least One Polyamide And —At Least One Flame Retardant.
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