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    METHOD OF MAKING FLUOROPOLYMER DISPERSION
    91.
    发明申请
    METHOD OF MAKING FLUOROPOLYMER DISPERSION 审中-公开

    公开(公告)号：US20180230245A1

    公开(公告)日：2018-08-16

    申请号：US15515483

    申请日：2015-09-29

    申请人： SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

    发明人： Stefana MUSIO ,  Marco MALVASI ,  Valeriy KAPELYUSHKO

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

    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.

    Hyperbranched fluoroelastomer additive
    95.
    发明授权
    Hyperbranched fluoroelastomer additive 有权

    公开(公告)号：US09688786B2

    公开(公告)日：2017-06-27

    申请号：US14123931

    申请日：2012-06-07

    申请人： Matteo Fantoni ,  Giovanni Comino ,  Marco Apostolo

    发明人： Matteo Fantoni ,  Giovanni Comino ,  Marco Apostolo

    IPC分类号： C08F14/26 ,  C08F214/26

    CPC分类号： C08F14/26 ,  C08F214/26 ,  C08F214/262 ,  C08F214/265

    摘要： The invention pertains to a hyperbranched (per)fluoroelastomer [fluoroelastomer (B)] comprising recurring units derived from a bis-olefin [bis-olefin (OF)] having general formula (I): wherein R1, R2, R3, R4, R5 and R6, equal or different from each other, are H or C1-C5 alkyl; Z is a linear or branched C1-C18 alkylene or cycloalkylene radical, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylene radical, said fluoroelastomer (B) having a slope in G′ curve such that the ratio: G′100/G′0.01 is of less than 10, when determined at 260° C. according to ASTM D4440 standard, wherein G′100 is the storage modulus at a shear rate of 100 rad/sec and G′0.01 is the storage modulus at a shear rate of 0.01 rad/sec, to compositions comprising the same, and to a process for their manufacture.

    AQUEOUS POLYMERIZATION OF PERFLUOROMONOMER USING HYDROCARBON SURFACTANT
    97.
    发明申请
    AQUEOUS POLYMERIZATION OF PERFLUOROMONOMER USING HYDROCARBON SURFACTANT 有权
    使用碳氢化合物的全氟聚合物的水性聚合

    公开(公告)号：US20160122509A1

    公开(公告)日：2016-05-05

    申请号：US14992421

    申请日：2016-01-11

    申请人： THE CHEMOURS COMPANY FC, LLC

    发明人： PAUL DOUGLAS BROTHERS ,  SUBHASH VISHNU GANGAL ,  DIPTI DILIP KHASNIS

    IPC分类号： C08K5/41

    CPC分类号： C08F2/16 ,  C08F14/18 ,  C08F14/26 ,  C08K5/41 ,  C09D127/18 ,  C08F2/30 ,  C08F2/26 ,  C08F2/28

    摘要： A process is provided for the polymerization of fluoromonomer to an dispersion of fluoropolymer particles in an aqueous medium in a polymerization reactor, by (a) providing the aqueous medium in the reactor, (b) adding the fluoromonomer to the reactor, (c) adding initiator to the aqueous medium, the combination of steps (b) and (c) being carried out essentially free of hydrocarbon-containing surfactant and resulting in the kickoff of the polymerization of the fluoromonomer, and (d) metering hydrocarbon-containing surfactant into the aqueous medium after the kickoff of polymerization, e.g. after the concentration of the fluoropolymer in the aqueous medium is at least 0.6 wt %, the metering being at a rate reducing the telogenic activity of said surfactant while maintaining surface activity.

    摘要翻译： 提供了一种方法，用于通过（a）在反应器中提供水性介质，（b）将含氟单体加入到反应器中，（c）加入含氟单体到聚合反应器中的水性介质中的氟聚合物颗粒的分散体 引发剂到水性介质中，步骤（b）和（c）的组合基本上不含烃类表面活性剂，导致含氟单体的聚合开始，（d）将含烃表面活性剂计量到 聚合引发后的水性介质，例如 在含水介质中的含氟聚合物的浓度为至少0.6重量％之后，计量速率降低了所述表面活性剂的开放时间，同时保持了表面活性。

    FLUOROPOLYMERS
    99.
    发明申请
    FLUOROPOLYMERS 审中-公开
    氟聚合物

    公开(公告)号：US20160009840A1

    公开(公告)日：2016-01-14

    申请号：US14772124

    申请日：2014-03-07

    申请人： ARKEMA INC.

    发明人： Ramin Amin-Sanayei

    IPC分类号： C08F214/22 ,  H01M4/62

    CPC分类号： C08F214/225 ,  C08F2/00 ,  C08F14/22 ,  C08F14/24 ,  C08F14/26 ,  C08F14/28 ,  C08F214/18 ,  C08F214/186 ,  C08F214/22 ,  H01M4/623 ,  C08F218/04 ,  C08F218/08 ,  C08F2/30

    摘要： The invention relates to novel linear, semi-crystalline fluoropolymers containing 0.5 to 25 mole percent of at least one vinyl ester monomer unit. At least 40 mole percent of the vinyl ester monomer units are present in the copolymer as single monomer units (not diads or triads or greater) between two fluoromonomer units. The invention also relates to a process for forming the fluoromonomers/vinyl ester copolymer. The fluoropolymer of the invention may be used in applications benefiting from a functional fluoropolymers including as a binder, or for use in forming hydrophilic membranes and hollow fibers.

    摘要翻译： 本发明涉及含有0.5至25摩尔％的至少一种乙烯酯单体单元的新型线性，半结晶含氟聚合物。 至少40摩尔％的乙烯基酯单体单元作为两个单体单元之间的单一单体单元（不是二单元组或三元组或更多）存在于共聚物中。 本发明还涉及形成氟单体/乙烯基酯共聚物的方法。 本发明的含氟聚合物可用于受益于包括作为粘合剂的官能含氟聚合物的应用中，或用于形成亲水膜和中空纤维。

    METHOD OF MAKING FLUOROPOLYMERS WITH A POLYIODIDE, COMPOSITIONS AND ARTICLES THEREOF
    100.
    发明申请
    METHOD OF MAKING FLUOROPOLYMERS WITH A POLYIODIDE, COMPOSITIONS AND ARTICLES THEREOF 有权
    制备具有聚酰亚胺，组合物及其制品的氟聚合物的方法

    公开(公告)号：US20150344605A1

    公开(公告)日：2015-12-03

    申请号：US14650091

    申请日：2013-11-27

    申请人： 3M INNOVATIVE PROPERTIES COMPANY

    发明人： Klaus Hintzer ,  Florian D. Jochum ,  Harald Kaspar ,  Kai H. Lochhaas ,  Tilman C. Zipplies

    IPC分类号： C08F214/22

    CPC分类号： C08F214/222 ,  C08F2/16 ,  C08F14/16 ,  C08F14/18 ,  C08F14/26 ,  C08F214/262

    摘要： Described herein is a method of making a fluoropolymer and fluoropolymers thereof, wherein the method comprises: (a) providing an aqueous solution comprising a water soluble polyiodide salt of Formula (I): M+y[I—I—(I)Jy− wherein M is a cation group having a valence y, y is an integer of at least 1 and n is an integer of at least 1; and (b) initiating polymerization of a monomer in the aqueous solution, wherein the monomer is a fluorinated monomer.

    摘要翻译： 本文描述了制备氟聚合物及其含氟聚合物的方法，其中所述方法包括：（a）提供包含式（I）的水溶性多碘化物盐的水溶液：M + y [I-I-（I） 其中M是具有价数y的阳离子基团，y是至少为1的整数，n是至少为1的整数; 和（b）引发单体在水溶液中的聚合，其中单体是氟化单体。