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    TETRAFLUOROETHYLENE COPOLYMERS
    5.
    发明公开
    TETRAFLUOROETHYLENE COPOLYMERS 有权
    四氟乙烯共聚物

    公开(公告)号：EP2864377A1

    公开(公告)日：2015-04-29

    申请号：EP13730184.2

    申请日：2013-06-13

    申请人： Solvay Specialty Polymers Italy S.p.A.

    发明人： MUSIO, Stefana ,  KAPELYUSHKO, Valeriy ,  MALVASI, Marco ,  RADICE, Stefano Vincenzo

    IPC分类号： C08F14/26 ,  C08F214/26 ,  C08F2/24

    CPC分类号： C08K5/1565 ,  C08F14/26 ,  C08F214/26 ,  C08F2/24

    摘要： The invention pertains to a tetrafluoroethylene (TFE) copolymer comprising recurring units derived from at least one per(halo)fluoroolefin different from TFE [monomer (F)] [monomer (F)], in an amount of 0.005 to 0.250 % moles, with respect to the total moles of the copolymer, wherein a particular relation between monomer content and amorphous index is satisfied, and to a process for its manufacture by emulsion polymerization in the presence of certain cyclic surfactants.

    摘要翻译： 本发明涉及包含0.005至0.250摩尔％的衍生自至少一种不同于TFE [单体（F）] [单体（F）]的全（卤）氟烯烃的重复单元的四氟乙烯（TFE）共聚物， 相对于共聚物的总摩尔数而言，其中单体含量和无定形指数之间的特定关系得到满足，并且涉及其在某些环状表面活性剂存在下通过乳液聚合制造它的方法。

    METHOD OF MAKING FLUOROPOLYMER DISPERSIONS
    6.
    发明授权
    METHOD OF MAKING FLUOROPOLYMER DISPERSIONS 有权

    公开(公告)号：EP3201242B1

    公开(公告)日：2018-11-21

    申请号：EP15770942.9

    申请日：2015-09-29

    申请人： Solvay Specialty Polymers Italy S.p.A.

    发明人： MUSIO, Stefana ,  MALVASI, Marco ,  KAPELYUSHKO, Valeriy

    IPC分类号： C08F14/26 ,  C09D127/18 ,  C08L27/18 ,  C08F2/26 ,  C08L71/02 ,  C08K5/095

    CPC分类号： C08F2/26 ,  C08F14/26 ,  C08K5/095 ,  C08L27/18 ,  C08L71/02 ,  C09D127/18

    摘要： The invention pertains to a method for making a fluoropolymer dispersion, said method comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in an aqueous medium comprising a surfactant mixture [mixture (S)] comprising: at least one perfluorohexanoic acid or salt thereof [surfactant (C6)], in an amount of 1 to 5 g/I, with respect to said aqueous medium; and at least one linear bifunctional perfluoropolyether surfactant [surfactant (PFPE)] complying with formula (I) here below: XpOOC—CF2-0-(CF20) n(CF2CF20)m-CF2—COOXp (I) wherein: Xp, equal to or different from each other, is a hydrogen atom, a monovalent metal, preferably an alkaline metal, or an ammonium group of formula —N(R′n)4, wherein R′n, equal or different at each occurrence, is a hydrogen atom or a C1-C6hydrocarbon group, preferably an alkyl group; n′ and m′ are independently integers >0 such that the number average molecular weight of the surfactant (PFPE) is of 500 to 2500, said surfactant (PFPE) being used in an amount of 0.005 to 0.5 g/I, with respect to said aqueous medium.

    METHOD OF MAKING FLUOROPOLYMER DISPERSION
    7.
    发明公开
    METHOD OF MAKING FLUOROPOLYMER DISPERSION 审中-公开
    制备含氟聚合物分散体的方法

    公开(公告)号：EP3201242A1

    公开(公告)日：2017-08-09

    申请号：EP15770942.9

    申请日：2015-09-29

    申请人： Solvay Specialty Polymers Italy S.p.A.

    发明人： MUSIO, Stefana ,  MALVASI, Marco ,  KAPELYUSHKO, Valeriy

    IPC分类号： C08F14/26 ,  C09D127/18 ,  C08L27/18 ,  C08F2/26 ,  C08L71/02 ,  C08K5/095

    CPC分类号： C08F2/26 ,  C08F14/26 ,  C08K5/095 ,  C08L27/18 ,  C08L71/02 ,  C09D127/18

    摘要： The invention pertains to a method for making a fluoropolymer dispersion, said method comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in an aqueous medium comprising a surfactant mixture [mixture (S)] comprising: at least one perfluorohexanoic acid or salt thereof [surfactant (C6)], in an amount of 1 to 5 g/I, with respect to said aqueous medium; and at least one linear bifunctional perfluoropolyether surfactant [surfactant (PFPE)] complying with formula (I) here below: XpOOC—CF2-0-(CF20) n(CF2CF20)m-CF2—COOXp (I) wherein: Xp, equal to or different from each other, is a hydrogen atom, a monovalent metal, preferably an alkaline metal, or an ammonium group of formula —N(R′n)4, wherein R′n, equal or different at each occurrence, is a hydrogen atom or a C1-C6hydrocarbon group, preferably an alkyl group; n′ and m′ are independently integers >0 such that the number average molecular weight of the surfactant (PFPE) is of 500 to 2500, said surfactant (PFPE) being used in an amount of 0.005 to 0.5 g/I, with respect to said aqueous medium.

    摘要翻译： 本发明涉及制备氟聚合物分散体的方法，所述方法包括一种或多种氟化单体的水乳液聚合，其中所述水乳液聚合在包含表面活性剂混合物[混合物（S）]的含水介质中进行，所述表面活性剂混合物包含： 至少一种全氟己酸或其盐[表面活性剂（C6）]，相对于所述水性介质为1至5g / l; 和至少一种符合下式（I）的线性双官能全氟聚醚表面活性剂[表面活性剂（PFPE）]：XpOOC-CF 2 -O-（CF 2 O）n'（CF 2 CF 2 O）m'-CF 2 -COOXp（I ）其中：彼此相同或不同的Xp是氢原子，一价金属，优选碱金属或式-N（R'n）4的铵基，其中R'n相同或不同 在每次出现时为氢原子或C 1 -C 6烃基，优选烷基; n'和m'独立地为> 0的整数，使得表面活性剂（PFPE）的数均分子量为500至2500，所述表面活性剂（PFPE）的用量为0.005至0.5g / l，相对于 所述含水介质。