Process for preparing fluorine-containing polymer latex
    1.
    发明申请
    Process for preparing fluorine-containing polymer latex 审中-公开
    制备含氟聚合物胶乳的方法

    公开(公告)号:US20050090613A1

    公开(公告)日:2005-04-28

    申请号:US10689732

    申请日:2003-10-22

    IPC分类号: C08F14/18 C08K3/00

    摘要: There is provided a fluorine-containing polymer latex providing a fluorine-containing polymer material being excellent in mechanical properties of a molded article. The preparation process comprises emulsion-polymerizing a fluorine-containing olefin solely or a fluorine-containing olefin and other monomer in an aqueous medium in the presence of at least one of fluorine-containing surfactants represented by the formula (I): F(CF2mO—(CF(X)CF2—OnCF(X)COOM wherein X is fluorine atom or a linear or branched lower perfluoroalkyl group; —COOM is a carboxylic acid salt; m is an integer of from 3 to 10; n is 0, 1 or 2. There are also provided a molding material and dispersion comprising a tetrafluoroethylene/hexafluoropropylene copolymer, polytetrafluoroethylene or fluoro elastomer which are obtained by the above-mentioned preparation process.

    摘要翻译: 提供一种提供模塑制品的机械性能优异的含氟聚合物材料的含氟聚合物胶乳。 制备方法包括在至少一种由式(I)表示的含氟表面活性剂存在下,在含水介质中将含氟烯烃单独或含氟烯烃和其它单体乳化聚合: line-formula description =“In-line Formulas”end =“lead”?> F(CF 2) O-(CF(X)CF 2 CF(X)COOM <αin-line-formula description =“In-line Formulas”end =“tail”?>其中X是氟原子或线性 或支链低级全氟烷基; -COOM为羧酸盐; m为3〜10的整数,n为0,1或2.还提供了包含四氟乙烯/六氟丙烯共聚物,聚四氟乙烯或 氟弹性体,其通过上述制备方法获得。

    Tetrafluoroethylene based resin molding material excellent in high frequency electric characteristics
    3.
    发明授权
    Tetrafluoroethylene based resin molding material excellent in high frequency electric characteristics 有权
    四氟乙烯基树脂成型材料具有优异的高频电特性

    公开(公告)号:US07129298B2

    公开(公告)日:2006-10-31

    申请号:US10333821

    申请日:2001-08-02

    IPC分类号: C08F14/26

    摘要: The present invention provides a TFE resin molding material which has electric characteristics, particularly low dielectric dissipation factor, in a microwave area, can also lower extrusion pressure as the material is of low molecular weight and can provide a molded article excellent in surface smoothness. The material is especially useful as a coating material for a coaxial cable for equipment in which microwave is used, including satellite transmitting equipment and a cell phone base station. A tetrafluoroethylene resin molding material excellent in high frequency electric characteristics, which provides a molded article having a dielectric constant of at most 2.2 and a dielectric dissipation factor of at most 1.60×10−4 under 12 GHz, and a standard specific gravity of at least 2.192 and less than 2.3 is provided. As the tetrafluoroethylene resin, a tetrafluoroethylene homopolymer or a copolymer of 99.9 to 99.9999% by mole of tetrafluoroethylene and 0.0001 to 0.1% by mole of a specific fluoromonomer is used.

    摘要翻译: 本发明提供一种在微波区域具有电特性,特别是低介电损耗因数的TFE树脂成型材料,还可以降低挤出压力,因为该材料具有低分子量,并且可提供表面平滑性优异的成型体。 该材料作为用于其中使用微波的设备的同轴电缆的涂层材料是特别有用的,包括卫星发射设备和蜂窝电话基站。 一种高频电特性优异的四氟乙烯树脂成型材料,其提供介电常数为2.2以下的介电损耗因数和12GHz以下的1.60×10 -4以下的介电损耗因数, 提供了至少2.192和小于2.3的标准比重。 作为四氟乙烯树脂,使用四氟乙烯均聚物或99.9〜99.9999摩尔%的四氟乙烯和0.0001〜0.1摩尔%的特定含氟单体的共聚物。

    Tetrafluoroethylene polymer and aqueous dispersion thereof
    5.
    发明授权
    Tetrafluoroethylene polymer and aqueous dispersion thereof 有权
    四氟乙烯聚合物及其水分散体

    公开(公告)号:US07820775B2

    公开(公告)日:2010-10-26

    申请号:US12296865

    申请日:2007-04-13

    IPC分类号: C08F14/18

    摘要: The invention provides a TFE polymer capable of providing stretched materials excellent in membrane homogeneity. The present invention is related to a tetrafluoroethylene polymer having stretchability and non-melt-processability and having a standard specific gravity of 2.140 to 2.165, wherein, with regard to the heat-of-fusion curve obtained by subjecting the tetrafluoroethylene polymer in the form of an unbaked polymer to be measured having no history of being heated to a temperature of 300° C. or higher to differential scanning calorimetry at a programming rate of 2° C./minute, the ratio S2/S1 is not lower than 0.90.

    摘要翻译: 本发明提供能够提供膜均匀性优异的拉伸材料的TFE聚合物。 本发明涉及具有拉伸性和非熔融加工性,标准比重为2.140〜2.165的四氟乙烯聚合物,其中,对于通过使四氟乙烯聚合物以 在2℃/分钟的编程速度下,将没有被加热到300℃以上的温度的历史记录到差示扫描量热法中,待测量的未焙烧聚合物的比例S2 / S1不低于0.90。

    Carboxylic acids
    6.
    发明授权
    Carboxylic acids 失效
    羧酸

    公开(公告)号:US07253178B2

    公开(公告)日:2007-08-07

    申请号:US10469173

    申请日:2002-03-27

    CPC分类号: C07D213/64 C07D213/79

    摘要: The present invention provides a novel carboxylic acid derivative, a salt thereof or a hydrate of them which is useful as an insulin sensitizer, and a medicament comprising the derivative as the effective ingredient. More specifically, it provides a carboxylic acid compound represented by the formula (I), a salt thereof or a hydrate of them. In the formula, Ar represents a 6- to 14-membered aromatic ring group which may have at least one substituent; R1, R2, R3, R4, R5, R6, R7 and R8 are the same as or different from each other and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a C1-6 alkyl group or a C1-6 alkoxy group; X represents an oxygen atom or a methylene group; Y represents a group represented by the formula (II) or (III): (wherein Z represents a group represented by the formula (IV): (wherein R9, R10, R11 and R12 are the same as or different from each other and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a C1-6 alkyl group or a C1-6 alkoxy group)); m is 0 or 1; and n is 0 or 1.

    摘要翻译: 本发明提供了可用作胰岛素敏化剂的新型羧酸衍生物,其盐或其水合物,以及包含该衍生物作为有效成分的药物。 更具体地,它提供由式(I)表示的羧酸化合物,其盐或它们的水合物。 在该式中,Ar表示可以具有至少一个取代基的6至14元芳环基团; R 1,R 2,R 3,R 4,R 5, R 6,R 7和R 8彼此相同或不同,并且各自表示氢原子,卤素原子, 羟基,C 1-6烷基或C 1-6烷氧基; X表示氧原子或亚甲基; Y表示由式(II)或(III)表示的基团:(其中Z表示由式(IV)表示的基团:(其中R 9,R 10, >,R 11和R 12彼此相同或不同,并且各自表示氢原子,卤素原子,羟基,C 1 -C 12烷基, 1-6烷基或C 1-6烷氧基)); m为0或1; n为0或1。

    LOW MOLECULAR WEIGHT POLYTETRAFLUOROETHYLENE POWDER AND PREPARATION METHOD THEREFOR
    10.
    发明申请
    LOW MOLECULAR WEIGHT POLYTETRAFLUOROETHYLENE POWDER AND PREPARATION METHOD THEREFOR 有权
    低分子量聚四氟乙烯粉及其制备方法

    公开(公告)号:US20120101214A1

    公开(公告)日:2012-04-26

    申请号:US13260911

    申请日:2010-03-31

    摘要: The present invention provides a low-molecular weight polytetrafluoroethylene powder that, when used as an additive in a coating material, etc., can form a coating with excellent texture and gliding properties, while also improving dispersibility and viscosity; and a production process therefor. The present invention is a process for producing a low-molecular weight polytetrafluoroethylene powder, the process comprising: an emulsion polymerization step of polymerizing at least tetrafluoroethylene in the presence of a polymerization initiator and an aqueous medium to produce emulsified particles thereof; an agglomeration step of agglomerating the emulsified particles to form an agglomerated powder thereof; and a suspension polymerization step of polymerizing at least tetrafluoroethylene in the presence of the agglomerated powder, a polymerization initiator, and an aqueous medium.

    摘要翻译: 本发明提供一种低分子量聚四氟乙烯粉末,其在涂料等中作为添加剂使用时,可以形成具有优良质地和滑动性能的涂料,同时还可提高分散性和粘度; 及其生产工艺。 本发明是一种生产低分子量聚四氟乙烯粉末的方法,该方法包括:在聚合引发剂和水性介质存在下聚合至少四氟乙烯以产生其乳化颗粒的乳液聚合步骤; 凝聚步骤,使乳化粒子凝集,形成凝聚粉末; 和在聚集粉末,聚合引发剂和水性介质的存在下聚合至少四氟乙烯的悬浮聚合步骤。