公开(公告)号：US11370906B2

公开(公告)日：2022-06-28

申请号：US14892942

申请日：2014-05-19

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

Inventor： Serena Carella ,  Giambattista Besana ,  Suneel Bandi ,  Bradley Lane Kent

IPC: C08L27/12 ,  C08L23/08 ,  C08K5/526 ,  C08L33/02

Abstract: The invention pertains to a fluoropolymer composition comprising: —at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE) [ECTFE polymer]; —at least one water-soluble polyelectrolyte [polyelectrolyte (E)]; and—at least one antioxidant compound [compound (P)], said composition having improved thermal resistance.

公开(公告)号：US10082236B2

公开(公告)日：2018-09-25

申请号：US15576623

申请日：2015-11-02

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

Inventor： Serena Carella ,  Amelia Mennella ,  Marco Colladon ,  Giambattista Besana ,  Ségolène Brusseau ,  Giulio Brinati ,  Stephen J. Edmondson

IPC: F16L58/10 ,  B05D5/08 ,  B05D7/00

CPC classification number: F16L58/1027 ,  B05D5/083 ,  B05D7/56 ,  B05D2202/10 ,  F16L58/1072

Abstract: The present invention pertains to a multilayer assembly, to a process for the manufacture of said multilayer assembly, to a pipe comprising said multilayer assembly and to uses of said pipe in various applications.

公开(公告)号：US12139453B2

公开(公告)日：2024-11-12

申请号：US17311033

申请日：2019-12-19

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

Inventor： Stefana Musio ,  Ivan Diego Wlassics ,  Serena Carella ,  Marco Avataneo

IPC: C07C407/00 ,  C08F4/34 ,  C08F110/02 ,  C08F114/18

Abstract: A process for the preparation of perhaloacyl peroxides from perhaloacyl halides which is performed in the presence of a hydrofluoroether as the solvent.

公开(公告)号：US12110352B2

公开(公告)日：2024-10-08

申请号：US17311034

申请日：2019-12-02

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

Inventor： Serena Carella ,  Mirko Mazzola ,  Marco Avataneo ,  Andrea Vittorio Oriani ,  Emanuele Di Nicolo′

IPC: C08F214/22 ,  C08F2/22 ,  C08F2/38 ,  C08F214/18 ,  C08F214/28 ,  C08F220/06 ,  C08F220/20 ,  C08F222/20 ,  C08J3/12 ,  C08K3/36 ,  H01G11/30 ,  H01M50/403 ,  H01M50/426 ,  H01M50/446 ,  H01M50/449

CPC classification number: C08F214/22 ,  C08F2/22 ,  C08F2/38 ,  C08F214/28 ,  C08F220/06 ,  C08F220/20 ,  C08J3/12 ,  C08K3/36 ,  H01G11/30 ,  H01M50/403 ,  H01M50/426 ,  H01M50/446 ,  H01M50/449 ,  C08F2438/03 ,  C08F2810/40

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：US20240084122A1

公开(公告)日：2024-03-14

申请号：US17767869

申请日：2020-10-02

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

Inventor： Serena Carella ,  Giulio Brinati ,  Marco Avataneo

IPC: C08L27/18

CPC classification number: C08L27/18 ,  C08L2203/18 ,  C08L2205/02

Abstract: The present invention relates to a fluid-system component comprising a thermoplastic polymeric composition, said composition comprising one or more semi crystalline polymer, said semi crystalline polymer comprising recurring units derived from ethylene (E) and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE); said semi crystalline polymer having a heat of fusion of less than 35 J/g [polymer (A)], and wherein said thermoplastic polymeric composition when subject to the extraction test described herein has a leeching of less than 50 ppb preferably less than 10 ppb for each of Ca, Fe, K, Na, Zn, Ti, Sn, Ce, Cu, Zr, Bi, Si, Al, Sb.

公开(公告)号：US20230002518A1

公开(公告)日：2023-01-05

申请号：US17784965

申请日：2020-12-09

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

Inventor： Stefana Musio ,  Fiorenza D'aprile ,  Serena Carella ,  Valeriy Kapelyushko ,  Bradley Lane Kent ,  Alessio Marrani

IPC: C08F14/24

Abstract: The present invention relates to a process for preparing a fluoropolymer in a liquid reaction medium, comprising the following steps: provide a reactor containing a liquid reaction medium comprising water introduce in said reactor ethylene monomers and fluorinated monomers, said fluorinated monomers being selected from tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE) or mixtures thereof, pressurize the reactor, initiate polymerization feeding into said reactor a redox initiator comprising an oxidising agent and a reducing agent, wherein said reducing agent in said redox couple initiator is free from sulphur atoms having an oxidation number of 4 or below, wherein the reaction medium is free of fluorinated surfactants.

公开(公告)号：US10155857B2

公开(公告)日：2018-12-18

申请号：US15263334

申请日：2016-09-12

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

Inventor： Serena Carella ,  Mattia Bassi ,  Paolo Toniolo ,  Julio A. Abusleme ,  Stefano Mortara

IPC: C08K3/22 ,  B29D99/00 ,  C08K3/36 ,  C08J5/18 ,  C08K3/014

Abstract: The invention pertains to a thermoplastic fluoropolymer composition comprising: —at least one semi-crystalline polymer comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g [polymer (A)]; and —from 0.05 to 5% by weight, based on weight of polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties.

公开(公告)号：US11555094B2

公开(公告)日：2023-01-17

申请号：US16638388

申请日：2018-03-20

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

Inventor： Serena Carella ,  Eliana Ieva ,  Mirko Mazzola ,  Giulio Brinati

IPC: C08J3/05 ,  C08J5/22 ,  C09D127/16 ,  H01G11/26 ,  H01G11/52 ,  H01G11/84 ,  H01M4/62 ,  H01M10/0525 ,  H01M50/403 ,  H01M50/411 ,  H01M50/449

Abstract: The present invention relates to a method for stabilizing aqueous dispersions, notably of polymers based on vinylidene fluoride (VDF), and to the use of the stabilized aqueous dispersion thus obtained in electrochemical applications.

公开(公告)号：US11338558B2

公开(公告)日：2022-05-24

申请号：US16525178

申请日：2019-07-29

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

Inventor： Serena Carella ,  Mattia Bassi ,  Stefano Mortara ,  Paolo Toniolo ,  Julio A. Abusleme

IPC: B32B27/08 ,  B32B27/30 ,  B32B27/20 ,  H01L31/048 ,  B32B7/02 ,  B32B37/16 ,  B32B7/12 ,  B32B27/36 ,  B32B37/15 ,  B32B37/12 ,  B32B27/18 ,  B32B27/32 ,  B32B7/027 ,  C08F214/24 ,  C08F214/18 ,  C08L27/12 ,  C08F10/02 ,  C08F14/24 ,  C08L23/08 ,  B29K27/12 ,  H01L31/049 ,  B29K23/00 ,  C08J5/18 ,  C08K3/36 ,  C08K3/22 ,  C08K3/014

Abstract: The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO2-containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].

公开(公告)号：US11180592B2

公开(公告)日：2021-11-23

申请号：US16627752

申请日：2018-06-25

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

Inventor： Liubov Chernysheva ,  Serena Carella ,  Matteo Fantoni

IPC: C08F214/22 ,  C08F14/22 ,  C08F2/24 ,  C08F4/40 ,  C08F114/20 ,  C08F214/18 ,  C08F214/24 ,  C08F214/26 ,  C08F214/28 ,  C08K5/14 ,  C08K5/42 ,  C08K5/58

Abstract: The present invention relates to a method for manufacturing of partially fluorinated polymers, notably vinylidene fluoride (VDF)-based polymers, in emulsion polymerization, and to a polymer obtained from said method.