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公开(公告)号：US20240222635A1
公开(公告)日：2024-07-04
申请号：US18558551
申请日：2022-05-02
Applicant: Arkema France
Inventor： Anthony BONNET , Thomas FINE
IPC: H01M4/62 , H01M4/04 , H01M4/66 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/623 , H01M4/0404 , H01M4/624 , H01M4/661 , H01M10/0525 , H01M2004/021 , H01M2004/027 , H01M2004/028
Abstract: 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.
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公开(公告)号：US20240158545A1
公开(公告)日：2024-05-16
申请号：US18280190
申请日：2022-03-01
Applicant: ARKEMA FRANCE , CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE , UNIVERSITE DE MONTPELLIER , ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER
Inventor： Samuel DEVISME , Anthony BONNET , Bruno AMEDURI , Nadim EID
IPC: C08F14/22
CPC classification number: C08F14/22
Abstract: The invention relates to a method of polymerizing at least one fluorinated monomer comprising an ethylene bond, the method comprising putting in contact the at least one fluorinated monomer with a polymerization initiator and a chain transfer agent, the chain transfer agent being a polysulfide compound, preferably a disulfide compound. The invention also relates to a telechelic fluoride-based polymer obtained with said method.
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13.发明申请公开(公告)号：US20180355206A1
公开(公告)日：2018-12-13
申请号：US15778466
申请日：2016-11-17
Applicant: Arkema France
Inventor： Stéphane BIZET , Anthony BONNET , Jérôme G. CHAUVEAU , Nadine RIVAS
IPC: C09D127/16 , C09D5/24 , H01M4/131 , H01M4/525 , H01M4/505 , H01M4/62 , H01M4/66 , H01M10/0525
Abstract: The present invention relates to a binder which can be used in a lithium-ion battery, comprising at least one polyvinylidene fluoride and at least one acrylic copolymer including monomers having functional groups which have an affinity for metals or are capable of fixing to the metals. According to the invention, in a characteristic manner, said polyvinylidene fluoride is such that a solution of N-methyl-2-pyrrolidone containing 5 wt % of said polyvinylidene fluoride has a viscosity, measured at 23° C. with an imposed shear rate of 30 rpm, of 125 mPa·s to 1500 mPa·s.
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公开(公告)号：US20160215133A1
公开(公告)日：2016-07-28
申请号：US14915940
申请日：2014-09-02
Applicant: ARKEMA FRANCE
Inventor： Anthony BONNET , Cyrille MATHIEU , Barbara RAMFEL , Alejandra REYNA-VALENCIA
CPC classification number: C08L27/16 , C08J3/005 , C08J3/24 , C08J3/28 , C08J2327/16 , C08J2427/16 , C08K5/34924 , C08L2203/18 , C08L2203/202 , C08L2205/025 , C08L2312/06 , F16L11/04
Abstract: The invention relates to a method for producing composition, said method involving—mixing a polyvinylidene fluoride with a copolymer of vinylidene fluoride and a comonomer, and with a crosslinking agent; crosslinking the obtained mixture. The invention further relates to the composition obtained by said method as well as the use of the composition for producing various items, such as pipes.”
Abstract translation: 本发明涉及一种制备组合物的方法，所述方法涉及将聚偏氟乙烯与偏二氟乙烯和共聚单体的共聚物与交联剂混合; 交联得到的混合物。 本发明还涉及通过所述方法获得的组合物以及组合物用于生产各种物品如管道的用途。
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公开(公告)号：US20160095282A1
公开(公告)日：2016-04-07
申请号：US14785969
申请日：2014-04-22
Applicant: ARKEMA FRANCE
Inventor： Samuel DEVISME , Barbara WIEGERT(FORMALLY RAMFEL) , Thomas FINE , Anthony BONNET
CPC classification number: A01G9/1438 , A01G9/1407 , A01G13/0275 , B32B27/08 , B32B27/20 , B32B27/304 , B32B2264/0214 , B32B2307/412 , B32B2307/558 , B32B2419/06 , C08J5/18 , C08J2327/16 , C08J2451/06 , C08L27/08 , C08L27/16 , E04D5/06 , E04F13/002 , Y02A40/252 , C08L51/06 , C08L51/085
Abstract: The present invention relates to a fluorinated composition and a fluorinated film having properties that make it suitable for use outside, especially in the agricultural sector. The film according to the invention is a single-layer polymer film comprising a polyvinylidene fluoride (PVDF) matrix and at least one impact modifier having a polyorganosiloxane core and at least one thermoplastic shell, in which the weight content of impact modifier varies between 2.5% and less than 40%. According to one embodiment variant, the invention relates to multilayer films comprising at least one layer of said fluorinated film and at least one layer of unmodified PVDF.
Abstract translation: 本发明涉及具有使其适合外部使用，特别是农业部门的特性的氟化组合物和氟化膜。 根据本发明的膜是包含聚偏二氟乙烯（PVDF）基质和至少一种具有聚有机硅氧烷核心和至少一种热塑性壳体的抗冲改性剂的单层聚合物膜，其中抗冲改性剂的重量含量在2.5％ 小于40％。 根据一个实施方案变体，本发明涉及包含至少一层所述氟化膜和至少一层未改性PVDF的多层膜。
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Patent Agency Ranking
公开(公告)号：US20220363886A1
公开(公告)日：2022-11-17
申请号：US17618923
申请日：2020-06-23
Applicant: Arkema France
Inventor： Florent ABGRALL , Samuel DEVISME , Anthony BONNET , Quentin PINEAU
IPC: C08L27/16
Abstract: The present invention relates to a combination of polymers comprising: at least one thermoplastic elastomer comprising at least 10% by mass of ester flexible blocks relative to the total mass of the thermoplastic elastomer, and at least one fluoropolymer comprising a vinylidene fluoride homopolymer or copolymer.
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公开(公告)号：US20220235213A1
公开(公告)日：2022-07-28
申请号：US17626559
申请日：2020-07-10
Applicant: Arkema France
Inventor： Takehiro FUKUYAMA , Wensheng HE , Thomas FINE , Anthony BONNET
Abstract: The invention relates to a silicon graphite anode comprising an aqueous binder, to its method of preparation and to its use in a Li-ion battery. Another subject matter of the invention is the Li-ion batteries manufactured by incorporating this electrode material.
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公开(公告)号：US20210130598A1
公开(公告)日：2021-05-06
申请号：US16617024
申请日：2018-06-04
Applicant: Arkema France
Inventor： Ramin AMIN-SANAYEI , Samuel DEVISME , Florent ABGRALL , Jerome CHAUVEAU , Anthony BONNET , Gregory O'BRIEN
Abstract: The invention relates to an object or object part made from a composition comprising at least one fluoropolymer F, wherein: —the at least one fluoropolymer F comprises vinylidene fluoride units and at least 30 wt. % of units derived from at least one monomer of formula (I): (I) CX1X2═CX3Y, wherein each of X1, X2 and X3 is independently selected from H, Cl, F, Br, I and alkyl groups comprising from 1 to 3 carbon atoms which are optionally partly or fully halogenated and Y is an alkyl group comprising from 1 to 3 carbon atoms which is optionally partly or fully halogenated; —the proportion of the at least one fluoropolymer F in the composition is at least 80 wt. %; and—the viscosity of the composition is at least 1000 Pa·s at a temperature of 230° C. and at a shear rate of 100 s−1.
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公开(公告)号：US20190315993A1
公开(公告)日：2019-10-17
申请号：US16469749
申请日：2017-12-14
Applicant: ARKEMA FRANCE
Inventor： Florent ABGRALL , Anthony BONNET , Samuel DEVISME , Thomas FINE , Takehiro FUKUYAMA
IPC: C09D127/16 , B05D1/06 , C08L33/12 , C08K3/013 , C08K3/22 , C09D5/03 , B05D7/14 , B05D3/02 , B05D3/12
Abstract: The invention relates to fluorinated-acrylic thermoplastic compositions, to powder coatings made of such compositions, and to a process for preparing said powder coatings.
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公开(公告)号：US20180134886A1
公开(公告)日：2018-05-17
申请号：US15574324
申请日：2016-07-27
Applicant: Arkema France
Inventor： Anthony BONNET , Cyrille MATHIEU , Alejandra REYNA-VALENCIA , Barbara RAMFEL (EPOUSE WIEGERT) , Christophe DEGOULET
CPC classification number: C08L27/16 , C08J3/005 , C08L27/20 , C08L2203/18 , C08L2205/025 , C08L2205/035 , C08L2207/04 , F16L11/04
Abstract: The present invention concerns a fluorinated polymer composition, methods for producing same, and products that can be produced from said composition. More particularly, the invention concerns a thermoplastic polymer composition comprising the following components A, B and C: A- a polyvinylidene fluoride (PVDF) homopolymer comprising a fraction of ultra high molecular weight chains (UHMCF); B- a vinylidene fluoride (VDF) elastomeric copolymer and at least one other fluorinated comonomer copolymerisable with VDF, and C- a VDF homopolymer having a lower viscosity than component A.
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