公开(公告)号：US20230084468A1

公开(公告)日：2023-03-16

申请号：US17795014

申请日：2021-01-29

Applicant: Arkema France

Inventor： Stephane Bizet ,  Anthony Bonnet ,  Oleksandr Korzhenko ,  Samuel Devisme

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/583 ,  H01M4/587 ,  H01M4/485 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395

Abstract: The present invention relates generally to the field of electrical energy storage in rechargeable secondary batteries of Li-ion type. More specifically, the invention relates to an electrode formulation for a Li-ion battery, comprising a binder based on a mixture of fluoropolymers. The invention also relates to a process for preparing electrodes using said formulation, by a technique of solvent-free deposition on a metal substrate. The invention relates finally to an electrode obtained by this process and also to Li-ion secondary batteries comprising at least one such electrode.

公开(公告)号：US20230084563A1

公开(公告)日：2023-03-16

申请号：US17795020

申请日：2021-01-29

Applicant: Arkema France

Inventor： Stephane Bizet ,  Anthony Bonnet ,  Oleksandr Korzhenko ,  Samuel Devisme

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/66 ,  H01M50/46

Abstract: The present invention relates generally to the field of electrical energy storage in rechargeable secondary batteries of Li-ion type. More specifically, the invention relates to an electrode formulation for a Li-ion battery, comprising a binder based on a mixture of fluoropolymers. The invention also relates to a process for preparing electrodes using said formulation, by a technique of solvent-free deposition on a metal substrate. The invention relates finally to an electrode obtained by this process and also to Li-ion secondary batteries comprising at least one such electrode.

公开(公告)号：US20230078004A1

公开(公告)日：2023-03-16

申请号：US17795010

申请日：2021-01-29

Applicant: Arkema France

Inventor： Stephane Bizet ,  Anthony Bonnet ,  Oleksandr Korzhenko ,  Samuel Devisme

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/04 ,  H01M50/46 ,  H01M4/66

Abstract: The present invention relates generally to the field of electrical energy storage in rechargeable secondary batteries of Li-ion type. More specifically, the invention relates to an electrode formulation for a Li-ion battery, comprising a binder based on a mixture of fluoropolymers. The invention also relates to a process for preparing electrodes using said formulation, by a technique of solvent-free deposition on a metal substrate. The invention relates finally to an electrode obtained by this process and also to Li-ion storage batteries comprising at least one such electrode.

公开(公告)号：US10435498B2

公开(公告)日：2019-10-08

申请号：US14397273

申请日：2013-04-25

Applicant: ARKEMA FRANCE

Inventor： Dominique Jousset ,  Jean-Jacques Flat ,  Samuel Devisme ,  Thomas Fine ,  Stéphane Bizet

IPC: C08F255/02 ,  C08L51/06 ,  C08G81/02 ,  H01L31/048 ,  C08L23/00 ,  C08L77/00 ,  C08L87/00 ,  C08J5/18 ,  C08L77/02

Abstract: A polyamide-grafted polyolefin composition in which the grafting rate of the composition is between 41% and 70% by weight. Also, a thermoplastic composition including a polyolefin backbone comprising a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, in which: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X) comprising a functional group capable of reacting by a condensation reaction with a polyamide having at least one amine end and/or at least one carboxylic acid end, the residue of the unsaturated monomer (X) is attached to the backbone by grafting or copolymerization, wherein the polyamide grafts represent from 41% to 70%, preferably from 45% to 70%, by mass of said polyamide-grafted polymer. Also, a thermoplastic film for encapsulating and/or protecting the back (“backsheet”) of a photovoltaic module that includes said polyamide-grafted polyolefin composition.

公开(公告)号：US11661508B2

公开(公告)日：2023-05-30

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

IPC: C08L27/16 ,  B29C43/00 ,  B29K21/00 ,  B29K27/00

CPC classification number: C08L27/16 ,  B29C43/003 ,  B29K2021/003 ,  B29K2027/16

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.

公开(公告)号：US11326008B2

公开(公告)日：2022-05-10

申请号：US16649686

申请日：2018-09-21

Applicant: Arkema France

Inventor： Samuel Devisme ,  Andrew Kahn ,  Mathieu Fuentes-Exposito ,  Timothy McKenna ,  Franck D'Agosto ,  Muriel Lansalot ,  Anthony Bonnet

IPC: C08F214/22 ,  C08F2/22 ,  C08F2/38 ,  C08K5/14 ,  C08K5/36 ,  C08L53/00 ,  C09D127/16

Abstract: The present invention relates to a process for producing a stable fluorinated latex by emulsion polymerization in the absence of fluorinated surfactant, stabilized by an amphiphilic block copolymer formed in situ. The invention also concerns the aqueous dispersion comprising the fluorinated polymer chains and the amphiphilic block copolymers, obtained by this process.

公开(公告)号：US10138313B2

公开(公告)日：2018-11-27

申请号：US14764674

申请日：2014-02-04

Applicant: ARKEMA FRANCE

Inventor： Samuel Devisme ,  Catherine Corfias-Zuccalli ,  Sophie Caminade ,  Christian Laurichesse

IPC: H01L31/048 ,  C08F222/10

Abstract: The use of a polymeric composition as an encapsulant in a photovoltaic module, said polymeric composition including a copolymer that comprises an ethylene monomer and a carboxylic acid vinyl ester comonomer, in particular an ethylene vinyl acetate copolymer, and the polymeric composition having a Brookfield viscosity measured at 120° C. of between 10,000 mPa·s and 25,000 mPa·s. Further, a method for encapsulating a photovoltaic module using this polymeric composition.

公开(公告)号：US10119050B2

公开(公告)日：2018-11-06

申请号：US15317272

申请日：2015-06-09

Applicant: Arkema France

Inventor： Clio Cocquet ,  Betty Laurent ,  Samuel Devisme

IPC: C09J123/08 ,  B32B15/082 ,  B32B15/085 ,  B32B15/09 ,  C09J11/06 ,  B32B7/12 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  B32B37/15 ,  B32B15/20 ,  B32B27/08 ,  B32B27/10 ,  B32B27/34 ,  C08L23/08 ,  C09J123/10

Abstract: An adhesive composition that can be used in an extrusion-coating process for application to a support or in an extrusion-laminating process in order to bond several supports of different or identical nature to one another, over a wide temperature range, including: from 91% to 98% by weight of the composition, of a copolymer of ethylene and of alkyl acrylate; at least one tackifying resin; processing aids, wherein the tackifying resin represents between 1.5% and 5.5% of the weight of the composition and the processing aids represent between 0.5% and 3.5% of the weight of the composition and the anti-blocking agent represents, in the processing aids, at least 60% by weight of the aids. Also, a film of the composition and a multilayer structure that includes this film.

公开(公告)号：US12091576B2

公开(公告)日：2024-09-17

申请号：US17309761

申请日：2019-12-20

Applicant: ARKEMA FRANCE

Inventor： Takehiro Fukuyama ,  Mathieu Capelot ,  Samuel Devisme ,  Antoni Nogues ,  Lluis Casadevall

IPC: C09D5/03 ,  C09D127/16 ,  C09D167/02

CPC classification number: C09D5/031 ,  C09D5/033 ,  C09D127/16 ,  C09D167/02

Abstract: The invention relates to a resin composition comprising a blend of: a) 10 to 90% by weight of at least one fluoropolymer resin and b) 90 to 10% by weight of at least one semi-crystalline polyester resin, based on the total weight of the fluoropolymer resin and semi-crystalline polymer resin. The invention also relates to a method for producing such resin composition, to a powder coating composition comprising such resin composition and to the use of such resin composition, in particular for architectural powder coating.

公开(公告)号：US09978897B2

公开(公告)日：2018-05-22

申请号：US15024673

申请日：2014-09-17

Applicant: ARKEMA FRANCE

Inventor： Grégoire Aussedat ,  Dominique Jousset ,  Stéphane Bizet ,  Jean-Jacques Flat ,  Samuel Devisme

IPC: H01L31/048 ,  A01B39/16 ,  A01B39/18 ,  H01L31/049 ,  C09D177/00 ,  C08J5/18

CPC classification number: H01L31/0481 ,  A01B39/166 ,  A01B39/18 ,  C08J5/18 ,  C08J2387/00 ,  C08L2205/02 ,  C08L2205/03 ,  C09D177/00 ,  H01L31/049 ,  Y02E10/50 ,  Y02P60/12

Abstract: A thermoplastic composition including a mixture of three particular and different polyolefins, including one of a polyamide-grafted polyolefin having particular polyamide grafts (type and quantity), for example, a polyamide-grafted polymer having a polyolefin trunk containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts. Also, a thermoplastic film and, more specifically, a film for encapsulating a photovoltaic module incorporating the polyamide-grafted polyolefin composition.