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    Fluoroelastomer composition
    2.
    发明授权
    Fluoroelastomer composition 有权

    公开(公告)号：US11015004B2

    公开(公告)日：2021-05-25

    申请号：US15760810

    申请日：2016-09-16

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

    Inventor： Marco Dossi ,  Marco Avataneo ,  Terry Michael Kitchens

    IPC: C08F214/22

    Abstract: The invention pertains to a fluoroelastomer composition comprising: (a) a vinylidene fluoride-based fluoroelastomer [fluoroelastomer (A)] comprising recurring units derived from vinylidene fluoride (VDF) and recurring units derived from at least one additional (per)fluorinated monomer; said fluoroelastomer (A): —possessing a polydispersity index (IMWD) of between 1.5 and 3.5, —comprising an amount of polar end groups of formula —CF2CH2OH of at least 3 mmol/kg and at most 6 mmol/kg, and —further comprising end of chain groups of formula —CF2H, —CF2CH3, and, optionally, —OC(o)—RH (with RH being a C1-C6 alkyl group) in an amount such to satisfy the following inequality: [—CF2CH2OH]+[—CF2H]+[—CF2CH3H—OC(o)RH]≤30+(2×106)/Mn, (b) at least one polyhydroxylated curing agent; (c) at least one accelerant; (d) at least one metal oxide selected from the group consisting of divalent metal oxides; and (e) optionally, at least one metal hydroxide, wherein the amount of said metal hydroxide, if present, is below 3 phr, based on 100 weight parts of fluoroelastomer (A).

    Fluoroelastomer composition
    4.
    发明授权
    Fluoroelastomer composition 有权

    公开(公告)号：US10513593B2

    公开(公告)日：2019-12-24

    申请号：US15523023

    申请日：2015-10-29

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

    Inventor： Marco Avataneo ,  Matteo Fantoni ,  Luca Cirillo ,  Stefano Bossolo

    IPC: C08K3/04 ,  C08K5/00 ,  B29C48/00 ,  B29C35/00 ,  B29C43/00 ,  B29C45/00 ,  B29K27/12

    Abstract: The invention pertains to a fluoroelastomer composition comprising: at least one fluoroelastomer [perfluoroelastomer (A)], said fluoroelastomer (A) comprising iodine and/or bromine atoms and having a backbone comprising: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from at least one perfluorinated monomer selected from the group consisting of: perfluoroalkylvinylethers complying with formula CF2═CFORf1 in which Rn is a C1-C6 perfluoroalkyl (monomers of this type being referred to, herein after, as PAVE), e.g. —CF3, —C2F5, —C3F7; perfluoro-oxyalkylvinylethers complying with formula CF2═CFOX0, in which X0 can be (i) a C1-C12 perfluorooxyalkyl having one or more ether groups, e.g. —C2F5—O—CF3; or (ii) a group of formula —CF2ORf2 in which Rf2 is a C1-C6 perfluoroalkyl, e.g. —CF3, —C2F5, —C3F7 (monomers of this type being referred to, herein after, as MOVE); recurring units derived from vinylidene fluoride (VDF) in an amount of up to 30% by moles, with respect to the total moles of recurring units; and optionally, recurring units derived from at least one perfluorinated C3-C8 alpha-olefin, in an amount of up to 5% moles; optionally, recurring units derived from at least one fluorine-free alpha-olefin, in an amount of up to 10% moles; from 0.5 to 5 weight parts, per 100 parts by weight of said fluoroelastomer (A), of at least one polyunsaturated compound; from 0.1 to 3 weight parts, per 100 parts by weight of said fluoroelastomer (A), of at least one organic peroxide; from 0.1 to 3 weight parts, per 100 parts by weight of said fluoroelastomer (A), of at least one organic base [base (B)] selected from the group consisting of: (i) non-aromatic primary amines or amides complying with general formula (B1m) or (Bid): Rbm—[C(O)]t—NH2  (B1m) H2N—[C(O)]t′—Rdm—[C(O)]t″—NH2  (B1d) wherein: each of t, t′ and t″, equal to or different from each other and at each occurrence is zero or 1; Rbm is a monovalent hydrocarbon non-aromatic group having 12 to 30 carbon atoms; Rbm is a divalent hydrocarbon non-aromatic group having 6 to 30 carbon atoms; and (ii) cycloaliphatic secondary or tertiary amines complying with general formula (B2m) or (B2d) wherein: Cy represents a divalent aliphatic group comprising at least 4 carbon atoms, optionally comprising one or more than one ethylenically unsaturated double bond, and optionally comprising one or more catenary nitrogen atoms, forming a cycle with the nitrogen atom which is connected thereto; Cy′ represent a trivalent aliphatic group comprising at least 5 carbon atoms, optionally comprising one or more than one ethylenically unsaturated double bond, and optionally comprising one or more catenary nitrogen atoms, forming a cycle with the nitrogen atom which is connected thereto.

    CURABLE COMPOSITION
    5.
    发明申请
    CURABLE COMPOSITION 有权
    可固化组合物

    公开(公告)号：US20140323661A1

    公开(公告)日：2014-10-30

    申请号：US14361429

    申请日：2012-12-11

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

    Inventor： Marco Avataneo ,  Aldo Sanguineti ,  Matteo Fantoni ,  Giuseppe Marchionni

    IPC: C08F216/14

    CPC classification number: C08F216/1408 ,  C08K5/0025 ,  C08K5/03 ,  C08L27/12

    Abstract: The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a fluorinated polymer suitable to be cross-linked and at least one fluorinated aromatic compound.

    Abstract translation: 本发明涉及式（I）的1,5-戊二烯化合物作为聚合体系中的固化剂的用途。 特别地，本发明涉及包含式（I）的固化剂和适于交联的含氟聚合物和至少一种含氟芳族化合物的可固化组合物。

    FLUID-SYSTEM COMPONENTS
    8.
    发明公开
    FLUID-SYSTEM COMPONENTS 审中-公开

    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.

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