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53 条记录 (耗时 0.024 秒)

    Fluororubber copolymer and curable composition thereof
    16.
    发明授权
    Fluororubber copolymer and curable composition thereof 失效
    氟橡胶共聚物及其可固化组合物

    公开(公告)号：US5717036A

    公开(公告)日：1998-02-10

    申请号：US687491

    申请日：1996-10-07

    申请人： Hideya Saito ,  Masanori Kitaichi ,  Yutaka Ueta ,  Mitsuru Kishine

    发明人： Hideya Saito ,  Masanori Kitaichi ,  Yutaka Ueta ,  Mitsuru Kishine

    IPC分类号： C08F2/38 ,  C08F14/22 ,  C08F16/14 ,  C08F214/22 ,  C08F216/14 ,  C08K5/04 ,  C08K5/14 ,  C08K5/17 ,  C08K5/3477 ,  C08L27/16 ,  C09K3/10 ,  C08F14/16 ,  C08F259/08

    CPC分类号： C09K3/1009 ,  C08F214/222 ,  C08K5/14 ,  C08K5/3477

    摘要： A copolymer comprising 0.005 to 1.5 mole % of repeating units derived from an iodine-containing fluorinated vinyl ether, 40 to 90 mole % of repeating units derived from vinylidene fluoride, 3 to 35 mole % of repeating units derived from perfluoro(methyl vinyl ether), optionally up to 25 mole % of repeating units derived from hexafluoropropylene and optionally up to 40 mole % of repeating units derived from tetrafluoroethylene, which is obtained by polymerizing the above monomers in the presence of a diiodide compound, contains iodine atoms introduced in the copolymer from the diiodide compound and the iodine-containing fluorinated vinyl ether in amounts of 0.01 to 1 wt. % and 0.01 to 2 wt. %, respectively, and has a Mooney viscosity of 20 to 150.

    摘要翻译： PCT No.PCT / JP95 / 02497 Sec。 371日期1996年10月7日第 102（e）日期1996年10月7日PCT提交1995年12月6日PCT公布。 第WO96 / 17877号公报 日期：1996年6月13日共包含0.005〜1.5摩尔％的衍生自含碘氟化乙烯基醚的重复单元，40〜90摩尔％来源于偏二氟乙烯的重复单元，3〜35摩尔％来自全氟 （甲基乙烯基醚），任意多达25摩尔％的衍生自六氟丙烯的重复单元和任意多至40摩尔％的衍生自四氟乙烯的重复单元，其通过在二碘化物化合物的存在下聚合上述单体而获得，含有碘 从二碘化合物和含碘氟化乙烯基醚引入共聚物中的原子数为0.01〜1重量％ ％和0.01〜2wt。 ％，门尼粘度为20〜150。

    Fluoroelastomer having improved compression set resistance
    17.
    发明授权
    Fluoroelastomer having improved compression set resistance 失效
    氟弹性体具有改进的抗压缩永久变形阻力

    公开(公告)号：US4543394A

    公开(公告)日：1985-09-24

    申请号：US523189

    申请日：1983-08-15

    申请人： Joseph B. Finlay ,  Leo Ojakaar

    发明人： Joseph B. Finlay ,  Leo Ojakaar

    IPC分类号： C08L27/12 ,  C08F14/16 ,  C08F14/18 ,  C08F14/22 ,  C08F214/16 ,  C08F214/18 ,  C08F214/22 ,  C08F214/26 ,  C08K3/22 ,  C08K5/04 ,  C08K5/14 ,  C08K5/17 ,  C08K5/34 ,  C08L1/00 ,  C08L27/00 ,  C08L27/14

    CPC分类号： C08F214/188

    摘要： A peroxide curable fluoroelastomer composition wherein the composition comprises a tetrapolymer whose interpolymerized units consist essentially of units derived from: (1) about 30-40 weight percent vinylidene fluoride, (2) about 30-40 weight percent of the fluorine-containing monomers hexafluoropropylene or pentafluoropropylene, (3) about 25-35 weight percent tetrafluoroethylene and (4) up to 3 mole percent of units, based upon the tetrapolymer, derived from a bromine-containing olefin, with the proviso that enough of such units are present to provide 0.05 weight percent bromine in the tetrapolymer, the units of the bromine-containing olefin are derived from a compound having the formula CX.sub.2 .dbd.CX(CY.sub.2).sub.n (CZ.sub.2).sub.2 Br where X is hydrogen or fluorine, Y is hydrogen, fluorine or chlorine, Z is fluorine or chlorine and n is 0-5 and said fluoroelastomer composition contains at least 1 part per hundred parts tetrapolymer of trimethallylisocyanurate.

    摘要翻译： 一种过氧化物可固化的含氟弹性体组合物，其中所述组合物包含四聚物，其共聚单元基本上由衍生自以下的单元组成：（1）约30-40重量％偏二氟乙烯，（2）约30-40重量％的含氟单体六氟丙烯或 五氟丙烯，（3）约25-35重量％的四氟乙烯和（4）至多3摩尔％的基于衍生自含溴烯烃的四元共聚物的单元，条件是存在足够的这样的单元以提供0.05 四溴共聚物中溴的重量百分数，含溴烯烃的单元衍生自具有式CX2 = CX（CY2）n（CZ2）2Br的化合物，其中X是氢或氟，Y是氢，氟或氯，Z 是氟或氯，n是0-5，并且所述含氟弹性体组合物含有至少1份/百份三元甲基异氰脲酸酯的四元共聚物。

    Liquid fluorine-containing polymer and its production with iodinated compound
    18.
    发明授权
    Liquid fluorine-containing polymer and its production with iodinated compound 失效
    液态含氟聚合物及其生产用碘化合物

    公开(公告)号：US4361678A

    公开(公告)日：1982-11-30

    申请号：US198221

    申请日：1980-10-17

    申请人： Masayoshi Tatemoto ,  Shigeru Morita

    发明人： Masayoshi Tatemoto ,  Shigeru Morita

    IPC分类号： C08F14/00 ,  C08F2/44 ,  C08F14/16 ,  C08F14/22 ,  C08F214/16 ,  C08F214/22 ,  C08F259/08

    CPC分类号： C08F214/22

    摘要： A process for producing a readily crosslinkable liquid, fluorine-containing polymer having a narrow range of molecular weight distribution and containing iodine in the molecule in an amount of 1 to 30% by weight based on the weight of the polymer, which comprises polymerizing vinylidene fluoride and at least one other fluoroolefin in the presence of a radical-producing source and an iodinated compound of the formula: Rf/I.sub.x wherein Rf is a saturated perfluorocarbon group, a saturated perfluorochlorocarbon group or a saturated fluorochlorohydrocarbon group and x is an integer of not less than 1 corresponding to the bonding valency of Rf while maintaining the proportion of the mole number of the monomeric components (M) to the mole number of the iodinated compound (I) in a range between 10 and 1,200.

    摘要翻译： 一种生产容易交联的液体，分子量分布范围窄且含碘分子中含氟聚合物的方法，其含量为聚合物重量的1至30重量％，其中聚合偏二氟乙烯 和至少一种其它的氟代烯烃，其在自由基产生源和下式的碘化化合物的存在下：Rf / Ix其中Rf是饱和全氟化碳基团，饱和全氟氯烃基或饱和氟代氯代烃基，x是不整数 将与单体成分（M）的摩尔数相对于碘化合物（I）的摩尔数保持在10〜1,200的范围内，Rf的键合化合价小于1。

    Cross linkable fluorine-containing polymer and its production
    19.
    发明授权
    Cross linkable fluorine-containing polymer and its production 失效
    可交联含氟聚合物及其生产

    公开(公告)号：US4243770A

    公开(公告)日：1981-01-06

    申请号：US894256

    申请日：1978-04-07

    申请人： Masayoshi Tatemoto ,  Takeshi Suzuki ,  Masayasu Tomoda ,  Yasuyoshi Furukawa ,  Yutaka Ueta

    发明人： Masayoshi Tatemoto ,  Takeshi Suzuki ,  Masayasu Tomoda ,  Yasuyoshi Furukawa ,  Yutaka Ueta

    IPC分类号： C08F2/00 ,  C08F2/38 ,  C08F8/18 ,  C08F10/00 ,  C08F14/00 ,  C08F14/18 ,  C08F14/22 ,  C08F214/18 ,  C08K5/00 ,  C09K3/10 ,  C08F14/16

    CPC分类号： C08F8/18 ,  C08F14/22 ,  C08F2438/01

    摘要： An easily cross linkable fluorine-containing polymer substantially comprising: (1) a polymeric chain comprising one or more polymer segments, of which at least one polymer segment consisting of units of vinylidene fluoride alone or of units of vinylidene fluoride and one or more of other fluoroolefins, and (2) at least one iodine atom liberated from an iodinated compound of the formula: RI.sub.x (wherein R is a saturated or unsaturated fluorohydrocarbon or chlorofluorohydrocarbon residue having 1 to 8 carbon atoms and x is an integer of 1 or 2 corresponding to the bonding valency of the residue R) in an amount of 0.001 to 10% by weight based on the polymer and (3) a fragment of the iodinated compound excluding the said liberated iodine atom therefrom, which are bonded to the polymeric chain and being prepared by polymerizing vinylidene fluoride with or without one or more of the other fluoroolefins in the presence of a radical producing source and the iodinated compound or its reaction product with the said monomer(s) in one or more steps, the other fluoroolefins being selected from the group consisting of tetrafluoroethylene, chlorotrifluoroethylene, trifluoroethylene, vinyl fluoride, hexafluoropropylene, pentafluoropropylene, perfluoro(methyl vinyl ether), perfluoro(ethyl vinyl ether) and perfluoro(propyl vinyl ether).

    摘要翻译： 一种容易交联的含氟聚合物，其基本上包括：（1）包含一个或多个聚合物链段的聚合物链，其中至少一个聚合物链段由单偏氟乙烯单元或偏二氟乙烯单元和其它一个或多个单元组成 氟化烯烃，和（2）从下式的碘化化合物释放的至少一个碘原子：其中R是具有1至8个碳原子的饱和或不饱和氟代烃或氯氟烃残基，x是1或2的整数，对应于 残留物R的键合化合价）为0.001〜10重量％，（3）与该聚合物链结合的碘化合物不包括在内的碘化合物的片段， 通过在自由基产生源和碘化化合物或其反应产物存在下聚合具有或不具有一种或多种其它氟代烯烃的偏二氟乙烯 一个或多个步骤中的所述单体，其它氟烯烃选自四氟乙烯，三氟氯乙烯，三氟乙烯，氟乙烯，六氟丙烯，五氟丙烯，全氟（甲基乙烯基醚），全氟（乙基乙烯基醚） 和全氟（丙基乙烯基醚）。