中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

34 records (took 0.036 seconds)

    VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE CONTAINING POLYMERS LATEXES
    16.
    发明申请
    VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE CONTAINING POLYMERS LATEXES 审中-公开
    乙烯氟化物和含三氟乙烯的聚合物乳液

    公开(公告)号：WO2018065306A1

    公开(公告)日：2018-04-12

    申请号：PCT/EP2017/074767

    申请日：2017-09-29

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

    Inventor： MARRANI, Alessio ,  FALCO, Ivan ,  KAPELYUSHKO, Valeriy

    IPC: C08F2/26 ,  C08F214/22

    Abstract: The invention provides novel latexes of particles of vinylidene fluoride/trifluoroethylene copolymers possessing a more ordered ferroelectric crystalline phase, and hence improved ferro-, pyro-, and piezo-electric properties, and a method for manufacturing the same by emulsion polymerization in the presence of certain cyclic fluorosurfactants.

    Abstract translation: 本发明提供了具有更有序的铁电晶相并由此改善了铁，热和压电性能的偏二氟乙烯/三氟乙烯共聚物颗粒的新型胶乳，以及用于制造 在某些环状含氟表面活性剂存在下通过乳液聚合也是如此。

    POLYMERIZATION PROCESS
    17.
    发明申请
    POLYMERIZATION PROCESS 审中-公开
    聚合工艺

    公开(公告)号：WO2013037707A1

    公开(公告)日：2013-03-21

    申请号：PCT/EP2012/067495

    申请日：2012-09-07

    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.p.A. ,  KENT, Bradley Lane ,  VENERONI, Alessandro ,  KAPELYUSHKO, Valeriy

    Inventor： KENT, Bradley Lane ,  VENERONI, Alessandro ,  KAPELYUSHKO, Valeriy

    IPC: C08F14/22 ,  C09D127/16 ,  C08K5/5313 ,  C08F2/26

    CPC classification number: C08F14/22 ,  C08K5/5313 ,  C09D127/16 ,  C08F2/16 ,  C08F2/26 ,  C08L27/16

    Abstract: The invention pertains to a process for manufacturing a dispersion of a vinylidene fluoride (VDF) thermoplastic polymer [polymer (F)], said process comprising polymerizing VDF in an aqueous phase comprising at least one bisfluorocarbonphosphinic surfactant of formula R F 1 R F 2 P(0)O - X a + wherein R F 1 and R F 2 , equal to or different from each other, is independently a fluorinated or perfluorinated C 1 -C 20 group, and X a is H, a alkali metal or a NR H 4 group, with R H being H or a C 1 -C 6 hydrocarbon group [surfactant (P)], and to a vinylidene fluoride thermoplastic polymer dispersion therefrom.

    Abstract translation: 本发明涉及一种制备偏二氟乙烯（VDF）热塑性聚合物[聚合物（F）]的分散体的方法，所述方法包括在包含至少一种式RF 1 RF 2P（0）的二氟碳化膦表面活性剂的水相中聚合VDF， O-Xa +其中RF 1和RF 2彼此相同或不同，独立地为氟化或全氟化的C1-C20基团，Xa为H，碱金属或NRH4基团，其中RH为H或 C1-C6烃基[表面活性剂（P）]，和偏二氟乙烯热塑性聚合物分散体。

    HEAT EXCHANGE METHOD USING FLUORINATED VINYLETHERS HAVING A LOW GWP
    19.
    发明申请
    HEAT EXCHANGE METHOD USING FLUORINATED VINYLETHERS HAVING A LOW GWP 审中-公开

    公开(公告)号：WO2022043268A1

    公开(公告)日：2022-03-03

    申请号：PCT/EP2021/073287

    申请日：2021-08-23

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

    Inventor： ANTENUCCI, Emanuela ,  KAPELYUSHKO, Valeriy ,  MONZANI, Cristiano ,  DENISOV, Evgeny

    IPC: C09K5/10

    Abstract: The present invention relates to a method for exchanging heat with an object said method comprising using a heat transfer fluid wherein said heat transfer fluid comprises one or more chemical compounds having the general formula: Rf-O-CF2-O-CX=CYZ (I) wherein Rf can be any C2-C6 linear, branched or C5C6 cyclic saturated carbon chain which can be partially or fully fluorinated, and can comprise 0-5 Oxygen atoms which, when present, are all engaged in ether bonds, and wherein X, Y and Z can be independently selected from halogens or hydrogen, with the proviso that at least one of X, Y or Z is a halogen.

    METHOD FOR MANUFACTURING FLUOROPOLYMERS
    20.
    发明申请
    METHOD FOR MANUFACTURING FLUOROPOLYMERS 审中-公开

    公开(公告)号：WO2021116222A1

    公开(公告)日：2021-06-17

    申请号：PCT/EP2020/085365

    申请日：2020-12-09

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

    Inventor： MUSIO, Stefana ,  D'APRILE, Fiorenza ,  CARELLA, Serena ,  KAPELYUSHKO, Valeriy ,  KENT, Bradley, Lane ,  MARRANI, Alessio

    IPC: C08F4/40 ,  C08F214/24 ,  C08F214/26

    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.

Patent Agency Ranking