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    Fluorovinyl ether
    3.
    发明授权
    Fluorovinyl ether 失效
    氟乙烯基醚

    公开(公告)号：US5401818A

    公开(公告)日：1995-03-28

    申请号：US258183

    申请日：1994-06-10

    申请人： Masahiko Oka ,  Mitsuru Kishine ,  Hideya Saito ,  Masuo Kokumai

    发明人： Masahiko Oka ,  Mitsuru Kishine ,  Hideya Saito ,  Masuo Kokumai

    IPC分类号： C07C43/17 ,  C08F216/14 ,  C08F16/24

    CPC分类号： C07C43/17 ,  C08F216/1416

    摘要： A fluorovinyl ether of the formula:R.sub.f --(OCF.sub.2 CF.sub.2 CF.sub.2).sub.n --OCF.dbd.CF.sub.2(I)wherein R.sub.f is a C.sub.1 -C.sub.5 perfluoroalkyl group, n is an integer of 1 to 4 provided that when n is 1 (one), R.sub.f is other than a trifluoromethyl group, a copolymer of which with an ethylenically unsaturated compound has a low glass transition temperature and improved low temperature properties.

    摘要翻译： 具有下式的氟代乙烯醚：Rf-（OCF 2 CF 2 CF 2）n OCF = CF 2（I）其中R f是C 1 -C 5全氟烷基，n是1至4的整数，条件是当n是1（1）时，Rf是 除了三氟甲基以外，其与烯属不饱和化合物的共聚物具有低玻璃化转变温度和改善的低温性能。

    Fluorovinyl ether
    4.
    发明授权
    Fluorovinyl ether 失效
    氟乙烯基醚

    公开(公告)号：US5349093A

    公开(公告)日：1994-09-20

    申请号：US31024

    申请日：1993-03-11

    申请人： Masahiko Oka ,  Mitsuru Kishine ,  Hideya Saito ,  Masuo Kokumai

    发明人： Masahiko Oka ,  Mitsuru Kishine ,  Hideya Saito ,  Masuo Kokumai

    IPC分类号： C07C43/17 ,  C08F216/14 ,  C07C43/14

    CPC分类号： C07C43/17 ,  C08F216/1416

    摘要： A fluorovinyl ether of the formula:R.sub.f --(OCF.sub.2 CF.sub.2 CF.sub.2).sub.n --OCF.dbd.CF.sub.2(I)wherein R.sub.f is a C.sub.1- -C.sub.5 perfluoroalkyl group, n is an integer of 1 to 4 provided that when n is 1 (one), R.sub.f is other than a trifluoromethyl group, a copolymer of which with an ethylenically unsaturated compound has a low glass transition temperature and improved low temperature properties.

    摘要翻译： 一种下式的氟乙烯基醚：其中R f为C 1 -C 5全氟烷基，R为 - （OCF 2 CF 2 CF 2）n OCF = CF 2（I），n为1至4的整数，条件是当n为1时，Rf 不是三氟甲基，其与烯键式不饱和化合物的共聚物具有低玻璃化转变温度和改善的低温性能。

    Modified polytetrafluoroethylene fine powder and process for preparing the same
    5.
    发明授权
    Modified polytetrafluoroethylene fine powder and process for preparing the same 失效
    改性聚四氟乙烯细粉及其制备方法

    公开(公告)号：US5284708A

    公开(公告)日：1994-02-08

    申请号：US957895

    申请日：1992-10-08

    申请人： Tetsuo Shimizu ,  Kazutaka Hosokawa ,  Masuo Kokumai ,  Makoto Ono

    发明人： Tetsuo Shimizu ,  Kazutaka Hosokawa ,  Masuo Kokumai ,  Makoto Ono

    IPC分类号： C08F214/26 ,  B32B5/16 ,  C08F116/12

    CPC分类号： C08F214/262 ,  Y10T428/2982

    摘要： Modified PTFE fine powder which comprises colloidal particles of a copolymer comprising repeating units derived from tetrafluoroethylene and 0.02 to 0.3 % by weight, preferably 0.03 to 0.2% by weight of repeating units derived from at least one fluoroalkyl vinyl ether selected from compounds of the formula:X(CF.sub.2).sub.n OCF.dbd.CF.sub.2 (I)wherein X is a hydrogen, fluorine or chlorine atom and n is an integer of 1 to 6, andC.sub.3 F.sub.7 (OCF.sub.2 CF.sub.2 CF.sub.2).sub.m [OCF(CF.sub.3)CF.sub.2 ].sub.1 OCF.dbd.CF.sub.2 (II)wherein m and 1 are each an integer of 0 to 4 provided that at least one of them is not zero, which has a number average particle size of 0.05 to 0.6 .mu.m, wherein the copolymer has a specific melt viscosity of from 6.times.10.sup.10 to 30.times.10.sup.10 poise, preferably from 8.0.times.10.sup.10 to 25.times.10.sup.10 poise at 380.degree. C. and a standard specific gravity (SSG, hereinafter defined) of from 2.135 to 2.175, preferably from 2.140 to 2.160 and a paste extruded article of the polymer has a green elongation of at least 400% is provided.

    摘要翻译： 改性PTFE细粉末，其包含含有衍生自四氟乙烯的重复单元和0.02至0.3重量％，优选0.03至0.2重量％的衍生自至少一种氟代烷基乙烯基醚的重复单元的共聚物的胶体颗粒，所述氟代烷基乙烯基醚选自下式化合物： X（CF 2）n OCF = CF 2（I）其中X为氢，氟或氯原子，n为1至6的整数，C 3 F 7（OCF 2 CF 2 CF 2）m（OCF（CF 3）CF 2） m和1各自为0〜4的整数，条件是它们中的至少一个不为零，其数均粒径为0.05〜0.6（my）m，其中，共聚物的比熔融粘度为6 * 在380℃下优选为1010至30 * 1010泊，优选为8.0 * 1010至25 * 1010泊，标准比重（SSG，以下定义）为2.135至2.175，优选为2.140至2.160， 提供聚合物具有至少400％的绿色伸长率。

    Modified polytetrafluoroethylene fine powder and process for preparing the same
    6.
    发明授权
    Modified polytetrafluoroethylene fine powder and process for preparing the same 失效
    改性聚四氟乙烯细粉及其制备方法

    公开(公告)号：US5176958A

    公开(公告)日：1993-01-05

    申请号：US715029

    申请日：1991-06-13

    申请人： Tetsuo Shimizu ,  Kazutaka Hosokawa ,  Masuo Kokumai ,  Makoto Ono

    发明人： Tetsuo Shimizu ,  Kazutaka Hosokawa ,  Masuo Kokumai ,  Makoto Ono

    IPC分类号： C08F214/26

    CPC分类号： C08F214/262 ,  Y10T428/2982

    摘要： Modified PTFE fine powder which comprises colloidal particles of a copolymer comprising repeating units derived from tetrafluoroethylene and 0.02 to 0.3% by weight, preferably 0.03 to 0.2% by weight of repeating units derived from at least one fluoroalkyl vinyl ether selected from compounds of the formula:X(CF.sub.2).sub.n OCF.dbd.CF.sub.2 (I)wherein X is a hydrogen, fluorine or chlorine atom and n is an integer of 1 to 6, andC.sub.3 F.sub.7 (OCF.sub.2 CF.sub.2 CF.sub.2).sub.m [OCF(CF.sub.3)CF.sub.2 ].sub.l OCF.dbd.CF.sub.2 (II)wherein m and l are each an integer of 0 to 4 provided that at least one of them is not zero, which has a number average particle size of 0.05 to 0.6 .mu.m, wherein the copolymer has a specific melt viscosity of from 6.times.10.sup.10 to 30.times.10.sup.10 poise, preferably from 8.0.times.10.sup.10 to 25.times.10.sup.10 poise at 380.degree. C. and a standard specific gravity (SSG, hereinafter defined) of from 2.135 to 2.175, preferably from 2.140 to 2.160 and a paste extruded article of the polymer has a green elongation of at least 400% is provided.

    摘要翻译： 改性PTFE细粉末，其包含含有衍生自四氟乙烯的重复单元和0.02至0.3重量％，优选0.03至0.2重量％的衍生自至少一种氟代烷基乙烯基醚的重复单元的共聚物的胶体颗粒，所述氟代烷基乙烯基醚选自下式化合物： X（CF 2）n OCF = CF 2（I）其中X为氢，氟或氯原子，n为1〜6的整数，C 3 F 7（OCF 2 CF 2 CF 2）m [OCF（CF 3）CF 2] m和l各自为0〜4的整数，条件是它们中的至少一个不为零，其数均粒径为0.05至0.6μm，其中共聚物的比熔融粘度为6×10 10至30×10 10泊 ，优选在380℃下为8.0×10 10至25×10 10泊，标准比重（SSG，以下定义）为2.135至2.175，优选为2.140至2.160，并且聚合物的糊状挤出制品具有至少的绿色伸长率 提供400％。