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    • 5. 发明申请
    • Process for preparing vulcanizable fluorine-containing elastomer
    • 制备可硫化含氟弹性体的方法
    • US20070299207A1
    • 2007-12-27
    • US11892702
    • 2007-08-27
    • Yousuke NishimuraMasaki IrieSadashige IrieManabu FujisawaSatoshi TokunoMitsuru Kishine
    • Yousuke NishimuraMasaki IrieSadashige IrieManabu FujisawaSatoshi TokunoMitsuru Kishine
    • C08L27/14
    • C08F214/28C08F214/18C08F214/22
    • The present invention provides a process for preparing a fluorine-containing elastomer in a high productivity comparable to that of non-iodine transfer polymerization process by carrying out an iodine transfer polymerization at high pressure. The present invention also provides a fluorine-containing elastomer prepared by this process, and fluorine-containing molded articles. The process is a batch copolymerization process conducted under conditions that the reduced temperature of the critical constant is at least 0.95 and the reduced pressure of the critical constant is at least 0.80 wherein the reduced temperature and the reduced pressure are calculated using the Peng-Robinson formula from the critical temperature, the critical pressure and the composition ratio of each of the monomers in the gaseous phase in a reaction vessel, in which ethylenically unsaturated compounds containing at least one fluoroolefine are copolymerized in the presence of a compound having the formula: Rf1·Ix wherein Rf1 is a saturated or unsaturated fluorohydrocarbon or chlorofluorohydrocarbon group having 1 to 16 carbon atoms, and x is the number of bonds of Rf1 and an integer of 1 to 4.
    • 本发明提供了一种通过在高压下进行碘转移聚合制备与非碘转移聚合方法相当的高生产率的含氟弹性体的方法。 本发明还提供了通过该方法制备的含氟弹性体和含氟成型体。 该方法是在临界常数降低至少为0.95,临界常数降低至少为0.80的条件下进行的间歇共聚方法,其中降低的温度和减压是使用Peng-Robinson公式 在临界温度下,在具有下式的化合物的存在下,在反应容器中的气相中的每种单体的临界压力和组成比共聚,其中含有至少一个氟烯烃的烯键式不饱和化合物在具有下式的化合物的存在下共聚: 其中R 1是饱和或不饱和的氟代烃或其中R 1,R 2,R 3,R 4, 具有1至16个碳原子的氯氟烃基,x是R 1和...的整数1至4的整数。
    • 8. 发明授权
    • Optical fiber reinforcing method and optical fiber reinforcing device
    • 光纤增强方法和光纤加固装置
    • US07128478B2
    • 2006-10-31
    • US10834849
    • 2004-04-30
    • Kenji TakahashiNoriyuki KawanishiManabu Fujisawa
    • Kenji TakahashiNoriyuki KawanishiManabu Fujisawa
    • G02B6/255
    • G02B6/2558G02B6/2551G02B6/2553
    • In an optical fiber fusion reinforcing device, a distance from an end face 723 to a mid point C6 of a reinforcing device 7 is set equal to a distance from a fusion splicing point M to an end face of a fusion splicing device 6 where optical fibers 3, 3 are inserted. The fusion splicing device 7 includes: positioning member 72 for aligning a mid point C7 of a heat shrinkable reinforcing member 13, which is slidably mounted on the fusion spliced optical fibers, and the fusion splicing point M of the optical fibers 3, 3 with each other; housing portion for housing the optical fibers 3, 3 and the heat shrinkable reinforcing member 13 so that the fusion splicing point M and the mid point of the heat shrinkable reinforcing member 13 are aligned, and heater for melting the heat shrinkable reinforcing member 13 in the housing portion.
    • 在光纤熔融加强装置中,从加固装置7的端面723到中点C 6的距离设定为与熔接点M到熔接装置6的端面的距离,其中光纤 纤维3,3插入。 熔接装置7包括:定位构件72,用于将可滑动地安装在熔接光纤上的可热收缩加强构件13的中点C 7与光纤3,3的熔接点M对准, 彼此; 用于容纳光纤3,3和热收缩加强构件13的容纳部分,使得熔接点M和热收缩加强构件13的中点对准,并且在热收缩加强构件13中熔化加热器 住房部分。
    • 10. 发明授权
    • Process for preparing vulcanizable fluorine-containing elastomer
    • 制备可硫化含氟弹性体的方法
    • US08247505B2
    • 2012-08-21
    • US11892702
    • 2007-08-27
    • Yousuke NishimuraMasaki IrieSadashige IrieManabu FujisawaSatoshi TokunoMitsuru Kishine
    • Yousuke NishimuraMasaki IrieSadashige IrieManabu FujisawaSatoshi TokunoMitsuru Kishine
    • C08F14/18
    • C08F214/28C08F214/18C08F214/22
    • The present invention provides a process for preparing a fluorine-containing elastomer in a high productivity comparable to that of non-iodine transfer polymerization process by carrying out an iodine transfer polymerization at high pressure. The present invention also provides a fluorine-containing elastomer prepared by this process, and fluorine-containing molded articles. The process is a batch copolymerization process conducted under conditions that the reduced temperature of the critical constant is at least 0.95 and the reduced pressure of the critical constant is at least 0.80 wherein the reduced temperature and the reduced pressure are calculated using the Peng-Robinson formula from the critical temperature, the critical pressure and the composition ratio of each of the monomers in the gaseous phase in a reaction vessel, in which ethylenically unsaturated compounds containing at least one fluoroolefine are copolymerized in the presence of a compound having the formula: Rf1·Ix wherein Rf1 is a saturated or unsaturated fluorohydrocarbon or chlorofluorohydrocarbon group having 1 to 16 carbon atoms, and x is the number of bonds of Rf1 and an integer of 1 to 4.
    • 本发明提供了一种通过在高压下进行碘转移聚合制备与非碘转移聚合方法相当的高生产率的含氟弹性体的方法。 本发明还提供了通过该方法制备的含氟弹性体和含氟成型体。 该方法是在临界常数降低至少为0.95,临界常数降低至少为0.80的条件下进行的间歇共聚方法,其中降低的温度和减压是使用Peng-Robinson公式 在临界温度下,在具有下式的化合物的存在下共聚反应容器中气相中各单体的临界压力和组成比:Rf1· 其中Rf1是具有1至16个碳原子的饱和或不饱和的氟代烃或氯氟烃基,x是Rf1的键数和1至4的整数。