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

IPC: F16L9/12 ,  B32B1/08 ,  B32B27/08 ,  B32B27/22 ,  B32B27/30 ,  B32B27/34

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.

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

IPC: F17C1/16 ,  F17C1/02 ,  B32B27/08 ,  B32B27/34 ,  B32B27/12 ,  B32B27/22 ,  B32B27/38

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.

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

IPC: F17C1/06 ,  B32B27/34 ,  B32B27/12 ,  B32B27/08 ,  B32B27/22

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.

公开(公告)号：US20230151255A1

公开(公告)日：2023-05-18

申请号：US17917052

申请日：2021-04-15

Applicant: ARKEMA FRANCE

Inventor： Nicolas DUFAURE ,  Antoine GOUPIL ,  Olivier MERLE

IPC: C09K3/10 ,  C08G69/10 ,  C08G69/36 ,  C08J5/24 ,  F17C1/16 ,  B32B1/02 ,  B32B5/02 ,  B32B27/12 ,  B32B27/34

CPC classification number: C09K3/1028 ,  C08G69/10 ,  C08G69/36 ,  C08J5/243 ,  F17C1/16 ,  B32B1/02 ,  B32B5/02 ,  B32B27/12 ,  B32B27/34 ,  C09K2003/1084 ,  C09K2200/0667 ,  C09K2200/0647 ,  C09K2200/0282 ,  C08J2363/00 ,  C08J2377/04 ,  C08J2377/06 ,  F17C2221/012 ,  F17C2203/012 ,  F17C2203/0673 ,  F17C2203/066 ,  F17C2209/2118 ,  F17C2209/2127 ,  F17C2209/232 ,  B32B2439/40 ,  B32B2260/023 ,  B32B2260/046 ,  B32B27/18

Abstract: The use of a sealing layer of a composition including at least one polyamide for preparing a multicore structure intended for the transport, distribution or storage of hydrogen, in particular for the distribution or storage of hydrogen, especially for the storage of hydrogen, the sealing layer satisfying a test for contaminants present in the hydrogen and extracted from the sealing layer after contact of the hydrogen with same, the test been carried out as defined in the standard CSA/ANSI CHMC 2: 19, the total proportion of said contaminants extracted in the hydrogen being less than or equal to 3% by weight, in particular less than 2% by weight of the sum of the constituents of the composition.

公开(公告)号：US20230045067A1

公开(公告)日：2023-02-09

申请号：US17758738

申请日：2021-01-26

Applicant: ARKEMA FRANCE

Inventor： Nicolas DUFAURE ,  Patrick DANG ,  Antoine GOUPIL

IPC: F17C1/16 ,  B32B1/02 ,  B32B5/02 ,  B32B27/34 ,  B32B27/12 ,  B32B27/20 ,  B32B27/22 ,  B32B27/08

Abstract: A multilayer structure for storing hydrogen, including, from the inside, at least one sealing layer and at least one composite reinforcement layer, an innermost composite reinforcement layer being welded to an outermost adjacent sealing layer, the sealing layers being a composition predominantly of: at least one semi-crystalline polyamide thermoplastic polymer P1i, i=1 to n, n being the number of sealing layers, excluding an amide polyether block (PEBA), up to 50% by weight of impact modifier relative to the total weight of the composition, up to 1.5% by weight of plasticizer relative to the total weight of the composition, and at least one of the composite reinforcement layers of a fibrous material in the form of continuous fibers, which is impregnated with a composition predominantly of at least one semi-crystalline polyamide polymer P2j, j=1 to m, m being the number of reinforcement layers.

公开(公告)号：US20220397237A1

公开(公告)日：2022-12-15

申请号：US17776380

申请日：2020-11-12

Applicant: ARKEMA FRANCE

Inventor： Nicolas DUFAURE ,  Antoine GOUPIL ,  Olivier MERLE ,  Patrick DANG

IPC: F17C1/00

Abstract: Method for preparing a hydrogen tank including at least one sealing layer of a composition including at least one polyamide P1, and at least one base in order to provide the tank with at least one opening, wherein the method includes: providing of at least one base, the at least one base being covered by at least one layer of a composition including at least one adhesion primer; preparing the at least one sealing layer; fastening the at least one base to the at least one sealing layer.