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.

公开(公告)号：US20240218177A1

公开(公告)日：2024-07-04

申请号：US18555991

申请日：2022-04-22

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Florent ABGRALL ,  Frédérique PERY

IPC: C08L75/08 ,  C08J3/12 ,  C08L77/02

CPC classification number: C08L75/08 ,  C08J3/12 ,  C08L77/02 ,  C08J2375/08 ,  C08J2377/02 ,  C08J2475/08 ,  C08J2477/02 ,  C08L2207/04

Abstract: A composition including, relative to the total weight of the composition, from 40% to 95% by weight of at least one copolymer containing polyamide blocks and polyether blocks and from 5% to 60%, by weight, of at least one thermoplastic polyurethane, the composition having a tensile modulus at 23° C. of less than or equal to 150 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.

公开(公告)号：US20250051557A1

公开(公告)日：2025-02-13

申请号：US18719535

申请日：2022-12-22

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE

IPC: C08L19/00 ,  B29C45/00 ,  B29K407/00 ,  C08L75/04 ,  C08L77/10

Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: from 20% to 90%, preferably from 40% to 70%, by weight of at least one thermoplastic elastomer (TPE), preferably an elastomeric thermoplastic copolymer, and from 10% to 80%, preferably from 30% to 60%, by weight of at least one crosslinked rubber powder, the crosslinked rubber powder having a specific surface area of between 0.08 m2/g and 100 m2/g, preferably between 0.1 and 80 m2/g, more preferentially between 0.1 and 50 m2/g, from 0 to 5%, preferably from 0.1% to 4% and notably from 1% to 2% of additives; from 0 to 40%, preferably from 5% to 20% and notably from 10% to 15% of compatibilizers.

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：US20240218107A1

公开(公告)日：2024-07-04

申请号：US18556056

申请日：2022-04-22

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Florent ABGRALL

IPC: C08G18/12 ,  B29C45/00 ,  B29K75/00 ,  B29K77/00 ,  C08G18/32 ,  C08G18/42 ,  C08G69/48 ,  C08L75/06 ,  C08L77/02 ,  C08L77/06 ,  C08L87/00

CPC classification number: C08G18/12 ,  B29C45/0001 ,  C08G18/3206 ,  C08G18/4238 ,  C08G69/48 ,  C08L75/06 ,  C08L77/02 ,  C08L77/06 ,  C08L87/005 ,  B29K2075/00 ,  B29K2077/00 ,  C08G2410/00 ,  C08L2205/03

Abstract: A composition including at least one thermoplastic polyurethane and at least one polyamide comprising amine chain ends, wherein the polyamide is the reaction product of one or more monomers chosen from amino acids or aminocarboxylic acids, lactams and monomers resulting from the reaction between an aliphatic diamine and a dicarboxylic acid. Also, a composition obtained by the reaction of at least one thermoplastic polyurethane or thermoplastic polyurethane precursors and of at least one polyamide comprising amine chain ends, processes for preparing such compositions and articles made therefrom.

公开(公告)号：US20240247145A1

公开(公告)日：2024-07-25

申请号：US18577402

申请日：2022-07-07

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Marjorie MARCOURT ,  Sébastien VAUTIER

IPC: C08L77/06 ,  B29C48/09 ,  B29K77/00 ,  B32B27/34 ,  C08J3/12 ,  C08J11/08

CPC classification number: C08L77/06 ,  B29C48/09 ,  B32B27/34 ,  C08J3/12 ,  C08J11/08 ,  B29K2077/00 ,  B32B2272/00 ,  B32B2597/00 ,  C08J2377/06 ,  C08L2205/025 ,  C08L2207/00

Abstract: A composition including: (a) 30% to 99.8% by weight by weight of recycled material from a used single-layer and/or multilayer tube and/or tank having initially transported or contained motor vehicle fluids, the tube and/or the tank having a composition which predominantly includes at least one polyamide, the used tube and/or the used tank having been ground into granules and the fluid residues present in the tube and/or tank having been totally or partially extracted, (b) up to 70% of a semicrystalline aliphatic polyamide, (c) up to 0.2% of an additive, the polyamide of the used tube and/or the used tank having functions resulting from oxidation reactions chosen from the primary amide functions, nitriles, terminal methyl groups, alkenes, formamides, imides, carboxylic acids and alcohols and mixtures thereof, in a mole ratio greater than that of the same polyamide constituting a non-used tube and/or tank which has not yet transported or contained motor vehicle fluids.

公开(公告)号：US20240240018A1

公开(公告)日：2024-07-18

申请号：US18556037

申请日：2022-04-22

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Thomas ABGRALL

IPC: C08L75/02 ,  B29C35/02 ,  B29C45/00 ,  B29K75/00 ,  C08G18/32

CPC classification number: C08L75/02 ,  B29C35/02 ,  B29C45/0001 ,  C08G18/3225 ,  B29K2075/02 ,  C08G2120/00 ,  C08L2205/02 ,  C08L2207/04

Abstract: A composition including at least one thermoplastic polyurethane and at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends, the composition having a tensile modulus at 23° ° C. of less than or equal to 170 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.

公开(公告)号：US20240026153A1

公开(公告)日：2024-01-25

申请号：US18253402

申请日：2021-11-16

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Mathieu SABARD ,  Fabrice GLASSON ,  Olivier MASSOT

IPC: C08L77/06 ,  C08L77/02 ,  C08L53/02 ,  C08K7/14

CPC classification number: C08L77/06 ,  C08L77/02 ,  C08L53/02 ,  C08K7/14 ,  C08L2201/10 ,  C08L2203/30 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/53

Abstract: A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.

公开(公告)号：US20230250579A1

公开(公告)日：2023-08-10

申请号：US18006080

申请日：2021-07-23

Applicant: ARKEMA FRANCE ,  BOSTIK SA

Inventor： Thomas PRENVEILLE ,  Quentin PINEAU ,  Sophie CHHUN

IPC: D06M15/592 ,  D06M17/08

CPC classification number: D06M15/592 ,  D06M17/08 ,  D06M2101/34

Abstract: The use, for seamless textile assembly by printing, of a copolyamide including: a) at least one hard segment obtained by polycondensation of at least one of the following: (i) an α,ω-aminocarboxylic acid; (ii) a lactam; and/or (iii) an aliphatic diacid with 6 to 22 carbon atoms and at least one aliphatic diamine with 2 to 14 carbon atoms, and, optionally, b) at least one soft segment obtained by polycondensation of at least one diacid with 4 to 44 carbon atoms with at least one diamine chosen from diamines with 2 to 44 carbon atoms and polyoxyalkylene diamines, the copolyamide having a melting temperature Tm above 80° C. and below 210° C. and a viscosity at 170° C., as measured according to standard ASTM D3236-88 (2009), using a Brookfield rheometer with SC 4-27 spindle, of between 5 Pa·s and 100-200 Pa·s.

公开(公告)号：US20250083373A1

公开(公告)日：2025-03-13

申请号：US18573653

申请日：2022-06-24

Applicant: ARKEMA FRANCE

Inventor： Thomas PRENVEILLE ,  Marjorie MARCOURT ,  Bertrand VERBAUWHEDE ,  Regis CIPRIANI

IPC: B29C49/00 ,  B29C48/00 ,  B29C48/36 ,  B29K77/00 ,  B32B1/08 ,  B32B5/02 ,  B32B27/18 ,  B32B27/34

Abstract: The present invention relates to a composition for blow-molding or extrusion, in particular blow-molding, comprising by weight: a) from 88 to 99.95%, more particularly from 89 to 99.9%, in particular from 93 to 99.9%, of at least one semicrystalline aliphatic polyamide having a carbon number per nitrogen atom of greater than or equal to 7, more particularly greater than or equal to 8, b) from 0.05% to 10%, more particularly from 0.1% to 9%, in particular from 0.1% to 5% by weight of at least one branching agent chosen from polyepoxides, polyanhydrides and polyisocyanates, more particularly polymaleic anhydrides and polyepoxides, c) from 0 to 2% of at least one additive, more particularly 10 from 0.1 to 2%, the composition having, after compounding, a melt viscosity of from 10 000 to 300 000 Pa·s, preferably from 15 000 to 220 000 Pa·s, as measured in plane-plane geometry according to ISO standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a)+b)+c) making 100% by weight.