公开(公告)号：US20240300916A1

公开(公告)日：2024-09-12

申请号：US18273073

申请日：2022-01-20

申请人： Arkema France

发明人： Philippe CICERON ,  Kevin DEMOULIN ,  Pierre MELEC

IPC分类号： C07D335/16 ,  C08F2/50 ,  C09D11/38

CPC分类号： C07D335/16 ,  C08F2/50 ,  C09D11/38

摘要： The invention relates to a polymerizable photoinitiator, to a process for preparing a polymerizable photoinitiator, to a polymerizable composition comprising a polymerizable photoinitiator and an ethylenically unsaturated compound. The invention also relates to different uses of the polymerizable photoinitiator or polymerizable composition.

公开(公告)号：US12076937B2

公开(公告)日：2024-09-03

申请号：US17780317

申请日：2020-11-25

申请人： ARKEMA FRANCE ,  INSTITUT DE SOUDURE

发明人： Aurélien Philippe ,  Philippe Klein ,  Michel Glotin

IPC分类号： B29C65/02 ,  B29C65/00 ,  B29C65/14 ,  B29C65/16 ,  B29C65/26 ,  B29C65/32 ,  B29C65/36 ,  B29C65/82 ,  G01N1/44 ,  B29K101/12 ,  G01N1/28

CPC分类号： B29C65/8261 ,  B29C65/1432 ,  B29C65/16 ,  B29C65/26 ,  B29C65/32 ,  B29C65/3604 ,  B29C65/8253 ,  B29C66/91221 ,  B29C66/91216 ,  B29C66/963 ,  B29C66/964 ,  B29K2101/12 ,  G01N2001/2893 ,  G01N1/44

摘要： The present invention relates to a method for evaluating an assembly by welding of parts made of thermoplastic materials, to a test piece and its associated uses, to an installation for implementing this method and to the associated welding system.

公开(公告)号：US12072062B2

公开(公告)日：2024-08-27

申请号：US17620363

申请日：2021-01-26

申请人： Arkema France

发明人： Nicolas Dufaure ,  Patrick Dang ,  Antoine Goupil

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

CPC分类号： F17C1/16 ,  B32B27/08 ,  B32B27/12 ,  B32B27/22 ,  B32B27/34 ,  B32B27/38 ,  F17C1/02 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2260/046 ,  B32B2262/101 ,  B32B2307/7242 ,  B32B2363/00 ,  B32B2377/00 ,  F17C2203/066 ,  F17C2221/012 ,  F17C2270/0178

摘要： 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：US20240239927A1

公开(公告)日：2024-07-18

申请号：US18290299

申请日：2021-11-24

申请人： ARKEMA FRANCE

发明人： Markus BRANDHORST ,  Jürgen LOHR

IPC分类号： C08F14/06

CPC分类号： C08F14/06

摘要： The invention relates to an organic peroxide emulsion comprising at least one organic peroxide, at least one emulsifier comprising at least one nonionic surfactant comprising at least one fatty chain and having an HLB of less than or equal to 18, at least one antifreeze with a dynamic viscosity at 20° C. ranging from 40 mPa·s to 100 mPa·s, and water. The invention also relates to a process for preparing such an emulsion, to the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and also to a halogenated vinyl polymer obtained by using such an emulsion.

公开(公告)号：US20240234872A9

公开(公告)日：2024-07-11

申请号：US17769390

申请日：2020-09-29

申请人： Arkema France

发明人： Dominique GARRAIT ,  Laurent ABBAS

IPC分类号： H01M10/6569 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M10/625

CPC分类号： H01M10/6569 ,  H01M4/505 ,  H01M4/525 ,  H01M10/625 ,  H01M2004/028

摘要： The invention relates to a method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system comprising a vapor compression circuit in which flows a first heat transfer composition comprising 2,3,3,3-tetrafluoropropene, and a secondary circuit in which flows a second heat transfer composition comprising 1-chloro-3,3,3-trifluoropropene that has a ratio of the Z form to the E form of less than or equal to 9, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition. The invention also relates to a system for carrying out said method.

公开(公告)号：US20240222635A1

公开(公告)日：2024-07-04

申请号：US18558551

申请日：2022-05-02

申请人： Arkema France

发明人： Anthony BONNET ,  Thomas FINE

IPC分类号： H01M4/62 ,  H01M4/04 ,  H01M4/66 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/623 ,  H01M4/0404 ,  H01M4/624 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028

摘要： The present invention relates generally to the field of electrical energy storage in secondary batteries of Li-ion type. More specifically, the invention relates to a binder in the form of a powder based on a homogeneous mixture of fluoropolymers. The invention also relates to a number of processes for preparing said binder. Lastly, the invention relates to an electrode comprising said binder, and also to Li-ion secondary batteries comprising at least one such electrode.

公开(公告)号：US20240218107A1

公开(公告)日：2024-07-04

申请号：US18556056

申请日：2022-04-22

申请人： ARKEMA FRANCE

发明人： Thomas PRENVEILLE ,  Florent ABGRALL

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

CPC分类号： 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

摘要： 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：US20240174797A1

公开(公告)日：2024-05-30

申请号：US18375050

申请日：2023-09-29

申请人： Arkema France

发明人： Eric Jorda ,  Alain Baloche ,  Gilles Barreto ,  Jean-Phillippe Gillet

IPC分类号： C08G63/685 ,  B03D1/01 ,  C07C217/28 ,  D06M15/507

CPC分类号： C08G63/6856 ,  B03D1/011 ,  C07C217/28 ,  D06M15/507 ,  B03D2201/02

摘要： Provided is a compound which may be obtained by esterification condensation of components as described herein. The compound may be used as a collector for ore enrichment (flotation), as a corrosion inhibitor, as a viscosity enhancer, emulsifier or stabilizer that is useful for the oil and gas industry, as a clay modifier, as an adhesion promoter, as an antiagglomerant additive, as an additive in haircare products, as a fabric softener, as an antistatic agent in polymers, as a bitumen emulsion additive, as a detergency cationic agent, as a fertilizer additive, as an antiagglomerant for hydrates, as a lubrication or adhesion-promoting additive, for example.

公开(公告)号：US11993714B2

公开(公告)日：2024-05-28

申请号：US16763567

申请日：2018-11-16

申请人： Arkema France

发明人： Quentin P. Pineau ,  Philippe Denis H. Blondel ,  Jean-Jacques Flat

IPC分类号： C08L77/12 ,  C08F293/00 ,  C08G69/48

CPC分类号： C08L77/12 ,  C08F293/00 ,  C08G69/48

摘要： The invention relates to a copolymer containing rigid polyamide PA blocks and flexible blocks, characterized in that it includes at least one carboxylic acid chain end blocked with a polycarbodiimide, said copolymer according to the invention being in noncrosslinked linear form. The invention also relates to the use of a polycarbodiimide in a process for manufacturing a copolymer containing rigid polyamide PA blocks and flexible blocks, including at least one carboxylic acid chain end, for improving the extrudability of the copolymer, the drawability of the copolymer, the abrasion resistance, the tear strength and the durability of the copolymer, without increasing its dispersity.

公开(公告)号：US20240158577A1

公开(公告)日：2024-05-16

申请号：US18284047

申请日：2022-03-24

申请人： ARKEMA FRANCE

发明人： Quentin PINEAU ,  Stefania CASSIANO GASPAR

IPC分类号： C08G69/14 ,  C08G69/26 ,  C08G69/40 ,  C08J3/12 ,  C08K3/105 ,  C08K3/11

CPC分类号： C08G69/14 ,  C08G69/26 ,  C08G69/40 ,  C08J3/12 ,  C08K3/105 ,  C08K3/11 ,  C08J2377/04 ,  C08J2377/06 ,  C08K2201/01

摘要： The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
at least one monocarboxylic acid unit (B),
at least one diamine unit (C),
at least one triamine unit (D),
optionally at least one polyetheramide unit (E),

where the sum of the constituents A, B, C, D and E is 100% by weight relative to the total weight of the copolymer.