公开(公告)号：US20140275635A1

公开(公告)日：2014-09-18

申请号：US14354424

申请日：2012-10-23

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Claudio Adolfo Pietro Tonelli ,  Roberto Valsecchi ,  Fabrizio Mutta

IPC: C08G65/48

CPC classification number: C08G65/48 ,  C08G65/007 ,  C08G65/30 ,  C08G65/46 ,  Y02P20/544

Abstract: The present invention relates to a process for increasing the content of bifunctional species in mixtures of non functional, mono- and bifunctional (per)fluoropolyethers which comprises the adsorption of a (per)fluoropolyether mixture onto an adsorbing stationary phase, a first desorption step with a supercritical fluid only and a second desorption step with the supercritical fluid and a mixture of a polar solvent.

Abstract translation: 本发明涉及一种增加非功能性，单功能和双功能（全）氟聚醚的混合物中双官能物质含量的方法，其包括将（全）氟聚醚混合物吸附到吸附固定相上，第一解吸步骤与 超临界流体和超临界流体和极性溶剂的混合物的第二解吸步骤。

公开(公告)号：US20140199604A1

公开(公告)日：2014-07-17

申请号：US14123926

申请日：2012-05-31

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.p.A.

Inventor： Marco Avataneo ,  Claudio Oldani ,  Giuseppe Marchionni

IPC: H01M8/10

CPC classification number: H01M8/1039 ,  B01D71/32 ,  C08J5/225 ,  C08J2327/18 ,  C08K5/1565 ,  H01M8/1018 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02E60/521

Abstract: A composition comprising at least one fluorinated polymer comprising —SO2X functional groups, wherein X is selected from X′ or from OM and wherein X′ is selected from the group consisting of F, CI, Br, I and M is selected from the group consisting of H, alkaline metals, NH4, and at least one fluorinated aromatic compound. Ion conducting membranes comprising the composition have improved resistance towards radical degradation in fuel cell applications.

Abstract translation: 一种组合物，其包含至少一种包含-SO 2 X官能团的氟化聚合物，其中X选自X'或选自OM，并且其中X'选自F，Cl，Br，I和M，其选自 的H，碱金属，NH 4和至少一种氟化芳族化合物。 包含该组合物的离子导电膜对燃料电池应用中的自由基降解具有改进的抗性。

公开(公告)号：US20250023053A1

公开(公告)日：2025-01-16

申请号：US18714504

申请日：2022-11-25

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Stefano Millefanti ,  Alessio Marrani

IPC: H01M4/62 ,  C08F214/22 ,  C08F214/26 ,  H01M4/04

Abstract: The present invention relates to VDF-based fluoropolymers with outstanding metal-adhesion properties for use as a binding agent for electrodes for batteries.

公开(公告)号：US20250019480A1

公开(公告)日：2025-01-16

申请号：US18712622

申请日：2022-11-18

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Maurizio Biso ,  Wojciech Bzducha ,  Stefano Mauri ,  David James Wilson

IPC: C08F220/56 ,  C08F220/06 ,  C08F226/06 ,  H01M4/04 ,  H01M4/62

Abstract: The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.

公开(公告)号：US20250002628A1

公开(公告)日：2025-01-02

申请号：US18575240

申请日：2022-06-23

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Ugo De Patto ,  Andrea Lotierzo ,  Pier Antonio Guarda

IPC: C08F283/06 ,  C08L51/08

Abstract: The present patent application relates to copolymers comprising (per)fluoro-polyether chains, characterized by increased viscosity.

公开(公告)号：US12071494B2

公开(公告)日：2024-08-27

申请号：US17311029

申请日：2019-12-02

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Serena Carella ,  Mirko Mazzola ,  Giulio Brinati ,  Andrea Vittorio Oriani ,  Emanuele Di Nicolo'

IPC: C08F214/22 ,  C08F220/06 ,  C08L27/16 ,  H01M4/62 ,  H01M50/42 ,  H01M50/426 ,  H01M50/449 ,  H01M50/403

CPC classification number: C08F214/22 ,  C08F214/225 ,  C08F220/06 ,  H01M4/623 ,  H01M50/42 ,  H01M50/426 ,  H01M50/449 ,  C08L27/16 ,  H01M50/403 ,  C08F214/225 ,  C08F2438/00 ,  C08F2500/17

Abstract: The present invention pertains to an aqueous dispersion of a vinylidene fluoride polymer having a high molecular weight and possessing a substantially linear structure, leading to reduced amount of gels/insoluble fractions, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators or for the manufacture of membranes.

公开(公告)号：US20240204195A1

公开(公告)日：2024-06-20

申请号：US18556304

申请日：2022-04-11

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Julio A. Abusleme ,  Anne-Charlotte Le Gulluche ,  Andrea Vittorio Oriani ,  Michele Fiore ,  Roberto Biancardi

IPC: H01M4/62 ,  C08F14/22 ,  C08F214/22 ,  C09D127/16 ,  H01M4/04

CPC classification number: H01M4/623 ,  C08F14/22 ,  C08F214/225 ,  C09D127/16 ,  H01M4/0404

Abstract: The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers and to their use as binder for electrodes in Li-ion batteries.

公开(公告)号：US20240186522A1

公开(公告)日：2024-06-06

申请号：US18552095

申请日：2022-03-22

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Azzurra Agostini ,  Rosita Lissette Pena Cabrera ,  Mirko Mazzola ,  Giulio Brinati ,  Bradley Lane Kent ,  Marco Dossi

IPC: H01M4/62 ,  C08F214/22 ,  H01M4/02 ,  H01M4/04 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/58

CPC classification number: H01M4/623 ,  C08F214/225 ,  H01M4/0404 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/5825 ,  C08F2800/10 ,  H01M2004/028

Abstract: The present invention pertains to electrode-forming compositions, comprising an electro-active material and a VDF based polymer comprising at least 70% by moles of recurring units derived from VDF, less than 0.9% by moles of recurring units derived from monomers comprising a functional group selected from carbonylic, carboxylic, sulfonic, sulfinic, phosphonic, hydroxy, —SH, ester or mixtures thereof, having a TM between 130° C. and 180° C. and comprising less than 700 mmoles/kg of chain ends —CF2H and —CF2CH3. The composition has good adhesion and is physically stable over time. The invention also relates to the use of said electrode-forming compositions in a process for the manufacture of electrodes, to said electrodes and to electrochemical devices such as secondary batteries comprising said electrodes.

公开(公告)号：US20240063506A1

公开(公告)日：2024-02-22

申请号：US18258657

申请日：2021-12-09

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Andrea Vittorio Oriani ,  Matilde Valeria Solmi ,  Mirko Mazzola

IPC: H01M50/426 ,  H01G11/52 ,  H01M50/403 ,  H01M50/417 ,  H01M50/451 ,  H01M50/454 ,  H01M50/457

CPC classification number: H01M50/426 ,  H01G11/52 ,  H01M50/403 ,  H01M50/417 ,  H01M50/451 ,  H01M50/454 ,  H01M50/457

Abstract: The present invention pertains to a coating composition comprising a vinylidene fluoride polymer aqueous dispersion and to its use for the manufacture of electrochemical cell components, such as separators.

公开(公告)号：US20230391958A1

公开(公告)日：2023-12-07

申请号：US18249026

申请日：2021-09-30

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Simonetta Antonella Fontana ,  Andrea Lotierzo ,  Mary Thomson

IPC: C08G77/388

CPC classification number: C08G77/388

Abstract: The present invention relates to compositions comprising novel (per)fluoropolyether polymers, endowed with antimicrobial properties, to methods for the manufacture thereof and to their use to provide compositions having antimicrobial properties.