公开(公告)号：WO2016050776A1

公开(公告)日：2016-04-07

申请号：PCT/EP2015/072441

申请日：2015-09-29

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

Inventor： MUSIO, Stefana ,  MALVASI, Marco ,  KAPELYUSHKO, Valeriy

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

CPC classification number: C08L27/18 ,  C08F14/26 ,  C08K5/095 ,  C08L71/02 ,  C09D127/18

Abstract: 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-CF 2 -0-(CF 2 0) n' (CF 2 CF 2 0) m' -CF 2 -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 C 1 -C 6 hydrocarbon 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.

Abstract translation: 本发明涉及一种制备含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，其中所述水性乳液聚合在包含表面活性剂混合物（混合物（S））的水性介质中进行，所述表面活性剂混合物 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XpOOC-CF 2-0-（CF 20）n'（CF 2CF 20）m'-CF 2 -COOPp（I）的至少一种线性双功能全氟聚醚表面活性剂[表面活性剂（PFPE）] ）其中：Xp彼此相同或不同，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 是氢原子或C 1 -C 6烃基，优选烷基; n'和m'独立地为整数> 0，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 所述水性介质。

公开(公告)号：WO2013189826A1

公开(公告)日：2013-12-27

申请号：PCT/EP2013/062257

申请日：2013-06-13

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

Inventor： MUSIO, Stefana ,  KAPELYUSHKO, Valeriy ,  MALVASI, Marco ,  RADICE, Stefano Vincenzo

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

CPC classification number: C08K5/1565 ,  C08F14/26 ,  C08F214/26 ,  C08F2/24

Abstract: 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.

Abstract translation: 本发明涉及包含衍生自至少一种不同于TFE [单体（F）] [单体（F）]的（卤代）氟烯烃的重复单元的四氟乙烯（TFE）共聚物，其量为0.005-0.250摩尔％，与 相对于共聚物的总摩尔数，其中满足单体含量和无定形指数之间的特定关系，以及在某些环状表面活性剂存在下通过乳液聚合制造的方法。

公开(公告)号：WO2013189824A1

公开(公告)日：2013-12-27

申请号：PCT/EP2013/062246

申请日：2013-06-13

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

Inventor： MUSIO, Stefana ,  KAPELYUSHKO, Valeriy ,  MALVASI, Marco ,  RADICE, Stefano Vincenzo

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

CPC classification number: C08F14/26 ,  C08F214/262 ,  C08F2/24

Abstract: The invention pertains to a tetrafluoroethylene (TFE) copolymer comprising recurring units derived from at least one perfluoroalkyl(oxy)vinylether of formula CF 2 =CF-O-R f , wherein R f is a C 1 -C 6 perfluoroalkyl radical possibly comprising one or more ethereal oxygen atoms [monomer (F)], in an amount of 0.005 to 0.025 % 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.

Abstract translation: 本发明涉及包含衍生自式CF2 = CF-O-Rf的至少一种全氟烷基（氧）乙烯基醚的重复单元的四氟乙烯（TFE）共聚物，其中Rf是可能包含一个或多个醚氧原子的C 1 -C 6全氟烷基 相对于共聚物的总摩尔数为0.005〜0.025摩尔％的[单体（F）]，其中满足单体含量与无定形指数之间的特定关系，以及其通过乳液聚合制造方法 在某些环状表面活性剂的存在下。