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    HYDROPHILIC FLUOROPOLYMER
    2.
    发明申请
    HYDROPHILIC FLUOROPOLYMER 有权
    水解氟聚合物

    公开(公告)号：US20160002413A1

    公开(公告)日：2016-01-07

    申请号：US14653406

    申请日：2013-12-17

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

    Inventor： Ivan WLASSICS ,  Roberto BIANCARDI ,  Pasquale CAMPANELLI ,  Emanuele DI NICOLO' ,  Aldo SANGUINETI ,  Claudio Adolfo Pietro TONELLI

    IPC: C08G81/02 ,  B01D67/00

    CPC classification number: C08G81/025 ,  B01D67/0023 ,  C08F214/22 ,  C08F214/225 ,  C08G65/007 ,  C08G2261/128 ,  C08G2650/48 ,  C08L63/00 ,  C08L71/00 ,  C08L2205/05 ,  C08L27/16

    Abstract: The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): RB—(CH2—O)x—(CH2CHRAO)n—(CH2—O)x′—RC, wherein at least one of RB and RC is a reactive group comprising at least one heteroatom selected from oxygen and nitrogen different from the hydroxyl group, the remaining, if any, being a —[O]z—CH3 alkyl group, wherein z is 0 or 1, RA is a hydrogen atom or a C1-C5 alkyl group, x and x′, equal to or different from each other, are independently 0 or 1, and n is an integer comprised between 2 and 1000, preferably between 5 and 200, C) optionally, in the presence of at least one catalyst, and D) optionally, in the presence of at least one organic solvent (S). The present invention also pertains to grafted fluoropolymers obtained from said process and to uses of said grafted fluoropolymers for manufacturing porous membranes.

    Abstract translation: 本发明涉及一种制备接枝氟聚合物[聚合物（Fg）]的方法，所述方法包括使A）至少一种含至少一种选自羟基和羧基的官能团的含氟聚合物 酸性基团[聚合物（F）]，B）至少一种式（I）的聚氧化烯（POA）：RB-（CH 2 -O）x - （CH 2 CHRAO）n - （CH 2 -O）x'-RC， RB和RC中的至少一个是包含至少一个选自不同于羟基的氧和氮的杂原子的反应性基团，剩余的（如果有的话）是 - [O] z-CH 3烷基，其中z是0或1 RA为氢原子或C 1 -C 5烷基，x和x'彼此相同或不同，独立地为0或1，n为2〜1000，优选为5〜200的整数， C）任选地，在至少一种催化剂的存在下，和D）任选地，在至少一种有机溶剂（S）的存在下。 本发明还涉及从所述方法获得的接枝的含氟聚合物以及所述接枝的含氟聚合物用于制造多孔膜的用途。

    COMPOSITION AND METHOD FOR MANUFACTURING SULFONE POLYMER MEMBRANE
    4.
    发明申请
    COMPOSITION AND METHOD FOR MANUFACTURING SULFONE POLYMER MEMBRANE 审中-公开

    公开(公告)号：US20190054429A1

    公开(公告)日：2019-02-21

    申请号：US16084756

    申请日：2017-03-14

    Applicant: Solvay Specialty Polymers Italy S.p.A.

    Inventor： Emanuele DI NICOLO' ,  Pasquale CAMPANELLI ,  Narmandakh TAYLOR

    IPC: B01D71/68 ,  C08G75/23 ,  C08J3/09 ,  C08J5/18 ,  B01D69/08 ,  B01D69/06 ,  B01D69/04 ,  B01D69/02 ,  B01D67/00

    Abstract: The invention pertains to a polyaryl ether sulfone polymer solution [solution (SP)] comprising: —at least one sulfone polymer [polymer (PSI)] having recurring units, wherein more than 50% moles, with respect to all the recurring units of polymer (PSI), are recurring units (RPSI) selected from the group consisting of those of formulae (RPSI-1) and (RPSI-2) herein below: (RPSI-1) (RPSI-2) wherein: —each of E′, equal to or different from each other and at each occurrence, is selected from the group consisting of those of formulae (E′-1) to (E′-3): (E′-I) (E′-II) (E′-III) —each R′ is independently selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; and —j′ is zero or an integer of 1 to 4; is a bond or a divalent group optionally comprising one or more than one heteroatom; preferably T is selected from the group consisting of a bond, —CH2—, —C(O)—, —C(CH3)2—, —C(CF3)2—, —C(═CCI2)—, —C(CH3)(CH2CH2—COOH)—, and a group of formula: (A) —at least one polar organic solvent [solvent (S)]; and —at least one mixture of polyhydroxyl aliphatic alcohols having from 1 to 6 carbon atoms or derivatives thereof [mixture (PHA)], said mixture (PHA) comprising at least one ethylene glycol compound [compound (EthyGly)] and at least one glycerol compound [compound (Gly)], to its use for manufacturing membranes, and to membranes obtained therefrom.

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