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公开(公告)号：US20200087526A1
公开(公告)日：2020-03-19
申请号：US16494350
申请日：2018-04-12
Applicant: Arkema France
Inventor： Fabrice DOMINGUES DOS SANTOS , Manuel HIDALGO , Thibaut SOULESTIN
IPC: C09D11/107 , C09D11/101 , C09D11/52 , C08J3/24 , G03F7/033 , H01L37/02 , H01L41/193 , H01L41/45 , H01L27/1159 , H01L27/11507
Abstract: The invention relates to crosslinkable compositions based on electroactive fluorinated copolymers, to crosslinked films obtained from such compositions and also to a process for preparing these films. The invention also relates to the use of said films as a dielectric layer in various (opto)electronic devices: piezoelectric, ferroelectric or pyroelectric devices.
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公开(公告)号：US20170355870A1
公开(公告)日：2017-12-14
申请号：US15543310
申请日：2016-01-11
Inventor： Fabrice DOMINGUES DOS SANTOS , Thierry LANNUZEL , Jean-Fabien CAPSAL , Pierre-Jean COTTINET , Jeremy GALINEAU , Minh-Quyen LE
IPC: C09D127/16 , H01L41/193 , C08F214/22 , H01L41/317 , C08F214/24 , C08F214/18
CPC classification number: C09D127/16 , C08F214/18 , C08F214/22 , C08F214/24 , C08L27/16 , C08L2205/025 , C08L2205/03 , H01L41/193 , H01L41/317 , C08L67/02
Abstract: The invention relates to a composition comprising at least one electroactive fluorinated terpolymer, and at least one second polymer compatible with the electroactive fluorinated terpolymer and having a glass transition temperature lower than that of the electroactive fluorinated terpolymer. The invention also relates to a method for producing said composition, and to a device such as an actuator comprising a substrate and a film of the above-mentioned composition.
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公开(公告)号：US20150307673A1
公开(公告)日：2015-10-29
申请号：US14650399
申请日：2013-12-09
Applicant: ARKEMA FRANCE
Inventor： Fabrice DOMINGUES DOS SANTOS , Thierry LANNUZEL , Shihai ZHANG
IPC: C08J5/18 , D01F6/32 , C08F214/22
CPC classification number: C08J5/18 , C08F214/22 , C08F214/222 , C08J2327/16 , D01F6/12 , D01F6/32
Abstract: The invention relates to a polymer comprising structural units of vinylidene fluoride, trifluoroethylene and chlorotrifluoroethylene, the molar ratio between the vinylidene fluoride and the trifluoroethylene in the polymer being between 55:45 and 65:35, and the molar proportion of the structural units of chlorotrifluoroethylene in the polymer being between 1.5 and 4.5%. The invention also relates to various items comprising said polymer, such as films, fibres, extruded plates and moulded items.
Abstract translation: 本发明涉及包含偏二氟乙烯，三氟乙烯和氯三氟乙烯的结构单元的聚合物，聚合物中偏二氟乙烯和三氟乙烯之间的摩尔比在55:45和65:35之间，三氟氯乙烯的结构单元的摩尔比例 在聚合物中为1.5〜4.5％。 本发明还涉及包括所述聚合物的各种物品，例如膜，纤维，挤出板和模制品。
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14.发明公开公开(公告)号：US20230226501A1
公开(公告)日：2023-07-20
申请号：US18002156
申请日：2021-06-17
Applicant: ARKEMA FRANCE
Inventor： Fabrice DOMINGUES DOS SANTOS , Anthony BONNET
IPC: B01D71/34 , D04H1/724 , B32B5/02 , D04H1/4318 , B32B5/26 , B01D71/40 , B01D69/02 , B01D69/10 , B01D65/02
CPC classification number: B01D71/34 , B01D65/022 , B01D69/02 , B01D69/1071 , B01D71/4011 , B32B5/022 , B32B5/266 , D04H1/724 , D04H1/4318 , B01D2321/32 , B01D2325/52 , B32B2250/20 , B32B2262/0238 , B32B2571/00 , D10B2505/04
Abstract: A nonwoven web obtained by electrospinning, suitable for the filtration of nano- and/or submicron aerosols, including a multiplicity of fibers of composition C1, the composition C1 including at least 50% by weight of at least one polymer P1 based on the repeat unit resulting from vinylidene fluoride (VDF), the fibers of composition C1 having a degree of crystallinity in polar phase(s), preferentially in solely beta phase, of at least 65% by weight, with respect to their total weight. Also, a process for the manufacture of the web, to a membrane including the web and also to a process for the washing/sterilization of the web or of the membrane.
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Patent Agency Ranking
公开(公告)号：US20220077378A1
公开(公告)日：2022-03-10
申请号：US17416228
申请日：2019-12-11
Applicant: Arkema France
Inventor： Fabrice DOMINGUES DOS SANTOS , Simon JESTIN
IPC: H01L41/08 , C09D127/16 , C09D7/63 , C09D7/45 , C09D7/20 , C09D7/65 , H01L41/193 , H01L41/257 , H01L41/45
Abstract: Multicomponent fibers with a piezoelectric effect, including an electroactive fluoropolymer shell which adheres to a metal core. Also, a solvent-based fluoropolymer formulation which makes it possible to obtain optimum adhesion to a bare, electrically conductive metal filament. Also, a process for manufacturing these composite fibers, and also their uses in varied sectors of technical textiles, filtration and in electronics.
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公开(公告)号：US20210376329A1
公开(公告)日：2021-12-02
申请号：US17263721
申请日：2019-07-25
Applicant: Arkema France
Inventor： Dominique PLEE , Fabrice DOMINGUES DOS SANTOS , Gregory SCHMIDT
IPC: H01M4/62 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/1395 , H01M4/04 , H01M10/0525 , C08F214/22 , C08L27/16
Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.
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公开(公告)号：US20210376239A1
公开(公告)日：2021-12-02
申请号：US16637365
申请日：2018-08-07
Applicant: ARKEMA FRANCE , UNIVERSITE DE BORDEAUX , INSTITUT POLYTECHNIQUE DE BORDEAUX , CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Abstract: The invention relates to a composition comprising a blend of fluorinated electroactive polymers and having a dielectric permittivity that exhibits greater stability over the operating temperature range with respect to each polymer employed on its own. The invention also relates to formulations and films produced on the basis of said composition. The invention also relates to a field-effect transistor, at least part of the dielectric layer of which is composed of a blend of fluorinated electroactive polymers.
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公开(公告)号：US20170298161A1
公开(公告)日：2017-10-19
申请号：US15517055
申请日：2015-09-21
Applicant: ARKEMA FRANCE
Inventor： Fabrice DOMINGUES DOS SANTOS , Thierry LANNUZEL
IPC: C08F214/22 , C08F214/18 , C08F2/00 , C08F214/24 , C08J5/18
CPC classification number: C08F214/22 , C08F2/001 , C08F214/182 , C08F214/24 , C08J5/18 , C08J2327/16
Abstract: The invention relates to a method for preparation of a polymer from monomers comprising polyvinylidene fluoride, trifluoroethylene and a third monomer, the method successively comprising: injection of all the monomers to react into a reactor; initiation of a polymerization of the monomers; a continuation step (a) of the polymerization of the monomers, during which a drop in pressure in the reactor is compensated.
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公开(公告)号：US20160071852A1
公开(公告)日：2016-03-10
申请号：US14785544
申请日：2014-04-16
Applicant: ARKEMA FRANCE
Inventor： Fabrice DOMINGUES DOS SANTOS , Thierry LANNUZEL
IPC: H01L27/115 , H01L29/78 , H01L29/51 , H01L51/05
CPC classification number: H01L27/11507 , C08F214/22 , H01G4/14 , H01G4/18 , H01G4/33 , H01G7/06 , H01L21/28291 , H01L27/101 , H01L27/11502 , H01L27/11585 , H01L27/1159 , H01L27/285 , H01L28/40 , H01L28/55 , H01L29/516 , H01L29/6684 , H01L29/78391 , H01L29/861 , H01L51/0034 , H01L51/004 , H01L51/0043 , H01L51/0575 , C08F214/26 , C08F214/18
Abstract: The invention relates to a ferroelectric memory device comprising at least one layer comprising a ferroelectric polymer, and at least two electrodes either side thereof, the ferroelectric polymer being of general formula P(VDF-X-Y), wherein VDF is vinylidene fluoride motifs, X is trifluoroethylene or tetrafluoroethylene motifs, and Y is motifs from a third monomer, the molar proportion of Y motifs in the polymer being less than or equal to 6.5%.
Abstract translation: 本发明涉及一种强电介质存储器件，其包括至少一层包含铁电聚合物和至少两个电极的两侧，铁电聚合物为通式P（VDF-XY），其中VDF为偏二氟乙烯基体，X为 三氟乙烯或四氟乙烯基序，Y是来自第三单体的基序，Y基序在聚合物中的摩尔比例小于或等于6.5％。
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