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    Aqueous fluoropolymer dispersion
    35.
    发明授权
    Aqueous fluoropolymer dispersion 有权
    含氟聚合物水分散体

    公开(公告)号：US08299155B2

    公开(公告)日：2012-10-30

    申请号：US13034018

    申请日：2011-02-24

    申请人： Chie Sawauchi ,  Nobuhiko Tsuda ,  Wade Martin Simpson

    发明人： Chie Sawauchi ,  Nobuhiko Tsuda ,  Wade Martin Simpson

    IPC分类号： C04B24/22 ,  C08K5/095

    CPC分类号： C09D127/18 ,  C08J3/05 ,  C08J2327/12 ,  C08K5/04 ,  C08K5/20 ,  C08K5/42 ,  C08L39/06 ,  C08L71/02 ,  C08L2666/04 ,  C08L2666/14

    摘要： An object of the present invention is to provide an aqueous fluoropolymer dispersion inhibited from viscosity rising and excellent in mechanical stability in spite of a low fluorinated surfactant concentration. The invention provides an aqueous fluoropolymer dispersion comprising particles of a fluoropolymer as dispersed in an aqueous medium wherein a fluorinated surfactant (A) having a molecular weight lower than 1000 amounts to not higher than 100 ppm of the mass of the fluoropolymer, the aqueous fluoropolymer dispersion containing an anionic surfactant (B) other than the fluorinated surfactant (A) as well as a water-soluble polymer (C).

    摘要翻译： 本发明的目的是提供尽管氟化表面活性剂浓度低的氟聚合物分散体，其粘度上升和机械稳定性优异。 本发明提供一种含氟聚合物分散体，其包含分散在水性介质中的含氟聚合物颗粒，其中分子量低于1000的氟化表面活性剂（A）的含量不超过100ppm，含氟聚合物水分散体 含有氟化表面活性剂（A）以外的阴离子表面活性剂（B）以及水溶性聚合物（C）。

    AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION AND METHOD FOR PRODUCTION THEREOF
    36.
    发明申请
    AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION AND METHOD FOR PRODUCTION THEREOF 审中-公开
    含有含氟聚合物的聚合物分散体及其生产方法

    公开(公告)号：US20100168301A1

    公开(公告)日：2010-07-01

    申请号：US11993564

    申请日：2006-06-23

    申请人： Chie Sawauchi ,  Nobuhiko Tsuda

    发明人： Chie Sawauchi ,  Nobuhiko Tsuda

    IPC分类号： C08K5/17 ,  C08J3/05

    CPC分类号： C08K5/17 ,  C08J3/05 ,  C08J2327/12 ,  C08K5/095 ,  C08L27/18 ,  C08L71/02 ,  C08L27/12 ,  C08L2666/04

    摘要： It is an object of the present invention to provide an aqueous fluoropolymer dispersion which will not send out any amine-like odor in spite of its having been brought into contact with an anion exchange resin as well as a method of producing the same.This invention is related to an aqueous fluoropolymer dispersion containing a nitrogen-containing organic base and/or a salt thereof, together with a particle of fluoropolymer dispersed therein wherein said nitrogen-containing organic base and/or the salt thereof amounts, in total, to 0 to 1 ppm of said aqueous fluoropolymer dispersion.

    摘要翻译： 本发明的目的是提供一种即使与阴离子交换树脂接触也不会发出胺类气味的含氟聚合物水分散体及其制造方法。 本发明涉及包含含氮有机碱和/或其盐的含氟聚合物水分散体及其中分散的含氟聚合物颗粒，其中所述含氮有机碱和/或其盐总量相当于 0至1ppm的所述含氟聚合物水分散体。

    Process for producing aqueous fluoropolymer dispersion and aqueous fluoropolymer dispersion
    37.
    发明授权
    Process for producing aqueous fluoropolymer dispersion and aqueous fluoropolymer dispersion 有权
    制备含氟聚合物含水分散体和含氟聚合物水分散体的方法

    公开(公告)号：US07696268B2

    公开(公告)日：2010-04-13

    申请号：US10577424

    申请日：2004-10-29

    申请人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

    发明人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

    IPC分类号： C08K5/42

    CPC分类号： C08F6/20 ,  C08F6/16 ,  C08F14/18 ,  C08F14/26 ,  C08F214/26 ,  C08L27/12 ,  C08F2/16

    摘要： The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.

    摘要翻译： 本发明提供一种含氟聚合物水性分散体的制造方法，其中可以有效地除去聚合后得到的含氟聚合物水分散体中所含的含氟乳化剂以及含氟乳化剂浓度低的含氟聚合物水分散体。 本发明是一种含氟聚合物水性分散体的制造方法，其特征在于，进行包含预处理含氟聚合物水分散液的浓缩操作的浓缩处理，其中，所述预处理含氟聚合物水分散体是通过在水性介质中进行聚合而得到的 含氟表面活性剂（A）的含氟表面活性剂（A）为辛醇/水分配系数为1.5〜3.5的含氟表面活性剂。

    METHOD FOR PRODUCING AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION AND AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION
    38.
    发明申请
    METHOD FOR PRODUCING AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION AND AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION 审中-公开
    生产含有含氟聚合物分散体和含有含氟聚合物分散体的方法

    公开(公告)号：US20090312443A1

    公开(公告)日：2009-12-17

    申请号：US12307304

    申请日：2007-07-06

    申请人： Chie Sawauchi ,  Nobuhiko Tsuda

    发明人： Chie Sawauchi ,  Nobuhiko Tsuda

    IPC分类号： B01J47/00

    CPC分类号： C08F214/08 ,  C08F6/02 ,  C08F6/16 ,  C08F6/20 ,  C08F14/18 ,  C08L27/12 ,  C08F2/20 ,  C08F2/16

    摘要： The present invention provides a method of obtaining good aqueous fluoropolymer dispersions low in fluorinated surfactant content by efficiently removing the fluorinated surfactant through pH adjustment. The present invention is related to a method of producing an aqueous fluoropolymer dispersion comprising a contact treatment for brining a raw aqueous fluoropolymer dispersion into contact with an anion exchanger, and the contact treatment being carried out while a pH of the raw aqueous fluoropolymer dispersion is adjusted to 2 to 9.

    摘要翻译： 本发明提供通过pH调节有效地除去氟化表面活性剂而获得氟化表面活性剂含量低的含氟氟聚合物分散体的方法。 本发明涉及一种含氟聚合物含水分散体的制造方法，其特征在于，包括将原料含氟聚合物水性分散体与阴离子交换体接触的接触处理，在对所述原料含氟聚合物水分散体的pH进行调整的同时进行接触处理 至2至9。

    PROCESS FOR PRODUCING AQUEOUS FLUOROPOLYMER DISPERSION AND AQUEOUS FLUOROPOLYMER DISPERSION
    39.
    发明申请
    PROCESS FOR PRODUCING AQUEOUS FLUOROPOLYMER DISPERSION AND AQUEOUS FLUOROPOLYMER DISPERSION 有权
    生产水性氟聚合物分散体和水性氟聚合物分散体的方法

    公开(公告)号：US20090239994A1

    公开(公告)日：2009-09-24

    申请号：US12476172

    申请日：2009-06-01

    申请人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

    发明人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

    IPC分类号： C08L27/18

    CPC分类号： C08F6/20 ,  C08F6/16 ,  C08F14/18 ,  C08F14/26 ,  C08F214/26 ,  C08L27/12 ,  C08F2/16

    摘要： The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.

    摘要翻译： 本发明提供一种含氟聚合物水性分散体的制造方法，其中可以有效地除去聚合后得到的含氟聚合物水分散体中所含的含氟乳化剂以及含氟乳化剂浓度低的含氟聚合物水分散体。 本发明是一种含氟聚合物水性分散体的制造方法，其特征在于，进行包含预处理含氟聚合物水分散液的浓缩操作的浓缩处理，其中，所述预处理含氟聚合物水分散体是通过在水性介质中进行聚合而得到的 含氟表面活性剂（A）的含氟表面活性剂（A）为辛醇/水分配系数为1.5〜3.5的含氟表面活性剂。

    Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer
    40.
    发明授权
    Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer 有权
    氟烷基羧酸衍生物，含氟聚合物的制造方法和含氟聚合物的水分散体

    公开(公告)号：US07589234B2

    公开(公告)日：2009-09-15

    申请号：US10562730

    申请日：2004-07-02

    申请人： Shigeru Morita ,  Yoshiki Tanaka ,  Keiko Washino ,  Nobuhiko Tsuda ,  Mitsuru Kishine

    发明人： Shigeru Morita ,  Yoshiki Tanaka ,  Keiko Washino ,  Nobuhiko Tsuda ,  Mitsuru Kishine

    IPC分类号： C07C59/135

    CPC分类号： C08F14/18 ,  C08F2/16

    摘要： This invention provides a novel compound which can be properly used as a surfactant, a method of producing a fluoropolymer, surfactant and a fluoropolymer aqueous dispersions using the novel compound.This invention is a fluoroalkylcarboxylic acid derivative which is represented by the general formula (i): Rf1(OCH2CF2CF2)n1OCX1X2CF2(Rf2)n2COOM  (i) wherein Rf1 represents a straight or branched fluoroalkyl group containing 1 to 20 carbon atoms, which fluoroalkyl group may optionally contain 1 to 5 oxygen atoms in the principal chain thereof, Rf2 represents a straight or branched fluoroalkylene group containing 1 to 25 carbon atoms, said fluoroalkylene group may optionally contain 1 to 5 oxygen atoms in the principal chain thereof, n1 represents an integer of 0 to 3, n2 represents an integer of 0 or 1, X1 and X2 are the same or different and each represents hydrogen atom or fluorine atom, and M represents NH4 or a monovalent metal element.

    摘要翻译： 本发明提供了可以适当地用作表面活性剂的新型化合物，使用该新化合物的含氟聚合物，表面活性剂和含氟聚合物水分散体的制造方法。 本发明是由通式（i）表示的氟代烷基羧酸衍生物：<？in-line-formula description =“In-line formula”end =“lead”→Rf1（OCH2CF2CF2）n1OCX1X2CF2（Rf2）n2COOM i）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中Rf1表示含有1至20个碳原子的直链或支链氟代烷基，该氟代烷基可任选地含有1至5个氧 其中，R 2表示碳原子数1〜25的直链或支链的氟代亚烷基，所述氟代亚烷基可以在其主链中含有1〜5个氧原子，n1表示0〜3的整数，n2表示 0或1的整数，X 1和X 2相同或不同，各自表示氢原子或氟原子，M表示NH 4或一价金属元素。