公开(公告)号：US5869577A

公开(公告)日：1999-02-09

申请号：US849551

申请日：1997-06-02

申请人： Hiroshi Aihara ,  Tatsuya Morikawa ,  Hiroyuki Tanaka ,  Mitsuru Kishine

发明人： Hiroshi Aihara ,  Tatsuya Morikawa ,  Hiroyuki Tanaka ,  Mitsuru Kishine

IPC分类号： C08F2/16 ,  C08F214/22 ,  C08K5/00 ,  C08F259/00

CPC分类号： C08F214/22 ,  C08K5/0025

摘要： The present invention provides the fluorine-containing elastic copolymer which is excellent in molding processability, particularly molding stability and further vulcanization properties, flowability at molding and compression set of a vulcanized rubber. The copolymer is prepared through emulsion polymerization of vinylidene fluoride and at least one of other monomers in two polymerization stages by using a water-soluble radical polymerization initiator in a very small amount of 0.001 to 0.03% by weight based on the total weight of copolymers prepared in the two stages and an oil-soluble radical polymerization initiator. The present invention also provides a process for preparation thereof and a vulcanizable composition containing the same.

摘要翻译： PCT No.PCT / JP95 / 02485第 371日期：1997年6月2日 102（e）日期1997年6月2日PCT提交1995年12月4日PCT公布。 公开号WO96 / 17876 日期：1996年6月13日本发明提供了成型加工性，特别是成型稳定性，硫化特性，成型时的流动性，硫化橡胶的压缩永久变形性优异的含氟弹性共聚物。 通过使用水溶性自由基聚合引发剂，以非常少量的0.001至0.03重量％，基于制备的共聚物的总重量，通过在两个聚合阶段中将偏二氟乙烯和至少一种其它单体的乳液聚合制备共聚物 在两个阶段和油溶性自由基聚合引发剂。 本发明还提供了其制备方法和含有该组合物的可硫化组合物。

公开(公告)号：US5709944A

公开(公告)日：1998-01-20

申请号：US468652

申请日：1995-06-06

申请人： Masuo Kokumai ,  Yukinaru Nakamura ,  Mitsuru Kishine ,  Tetsuo Kitahaba ,  Hirokazu Yukawa ,  Kazuhide Sawada ,  Sang Bong Han ,  Tetsuo Shimizu ,  Takahisa Aoyama

发明人： Masuo Kokumai ,  Yukinaru Nakamura ,  Mitsuru Kishine ,  Tetsuo Kitahaba ,  Hirokazu Yukawa ,  Kazuhide Sawada ,  Sang Bong Han ,  Tetsuo Shimizu ,  Takahisa Aoyama

IPC分类号： C08F214/26 ,  C08J3/12 ,  B32B5/16

CPC分类号： C08J3/12 ,  C08F214/262 ,  C08J2327/18 ,  Y10T428/2982

摘要： Polytetrafluoroethylene molding powder which comprises 0.01 to 1% by weight of a perfluoro(vinyl ether) unit and which has a heat of crystallization of 18.0 to 25.0 J/g. The molding powder provides a molded article which has a flex life of not less than 7 million cycles, a creep resistance (total deformation at 200.degree. C.) of not more than 20%, and a creep resistance (total deformation at 25.degree. C.) of not more than 15%. The polytetrafluoroethylene molding powder which is excellent in both creep resistance and flex fatigue resistance is provided as a molding material for parts which are repeatedly bent such as pump.

公开(公告)号：US08981009B2

公开(公告)日：2015-03-17

申请号：US12934554

申请日：2009-03-19

申请人： Keiko Washino ,  Shigeru Morita ,  Takashi Yoshimura ,  Mitsuru Kishine

发明人： Keiko Washino ,  Shigeru Morita ,  Takashi Yoshimura ,  Mitsuru Kishine

IPC分类号： C08F14/18 ,  C08F214/18 ,  C08F214/26 ,  C08K5/18 ,  C08K5/29 ,  C08K5/33

CPC分类号： C08F214/186 ,  C08F214/18 ,  C08F214/265 ,  C08K5/18 ,  C08K5/29 ,  C08K5/33 ,  C08L27/18

摘要： The present invention provides a TFE/Pr type elastomer being excellent in not only amine resistance but also heat resistance and chemical resistance and having a small gel content, and a crosslinkable composition comprising the elastomer. The above-mentioned fluorine-containing elastomer is a fluorine-containing elastomer being crosslinkable with the compound (A), comprising 40 to 70% by mole of tetrafluoroethylene unit, 30 to 60% by mole of propylene unit and 0.1 to 2.5% by mole of a carboxyl group-containing vinyl monomer unit and having a Mooney viscosity at 121° C. of 5 to 100.

摘要翻译： 本发明提供不仅具有耐胺性，而且耐热性和耐化学性均优异且凝胶含量小的TFE / Pr型弹性体，以及包含弹性体的交联性组合物。 上述含氟弹性体是与化合物（A）可交联的含氟弹性体，含有40〜70摩尔％的四氟乙烯单元，30〜60摩尔％丙烯单元和0.1〜2.5摩尔％ 的含羧基的乙烯基单体单元，其121℃下的门尼粘度为5〜100。

公开(公告)号：US08450423B2

公开(公告)日：2013-05-28

申请号：US13260913

申请日：2010-03-30

申请人： Shoji Fukuoka ,  Keiko Washino ,  Shuumi Nishii ,  Daisuke Ota ,  Mitsuru Kishine

发明人： Shoji Fukuoka ,  Keiko Washino ,  Shuumi Nishii ,  Daisuke Ota ,  Mitsuru Kishine

IPC分类号： C08F8/00 ,  C08L23/00 ,  C08L23/04 ,  C08L23/10 ,  C08K5/17 ,  C08K5/18 ,  A01N33/06

CPC分类号： C08L27/16 ,  C08J3/24 ,  C08J2327/16 ,  C08K5/14 ,  C08L27/18 ,  C08L2205/02

摘要： A fluoroelastomer mixture, including: a peroxide-vulcanizable fluoroelastomer (A) containing an iodine atom; and a peroxide-vulcanizable fluoroelastomer (B) containing an iodine atom. The fluoroelastomer (A) is a copolymer (a1) consisting of 50 to 85 mol % of a vinylidene fluoride unit and 15 to 50 mol % of a perfluoro(alkyl vinyl ether) unit, or a copolymer (a2) consisting of 45 to 85 mol % of a vinylidene fluoride unit, 1 to 30 mol % of a tetrafluoroethylene unit, and 14 to 30 mol % of a perfluoro(alkyl vinyl ether) unit. Further the fluoroelastomer (B) has a fluorine content of 70.0% or more. Also disclosed is a composition for peroxide vulcanization containing the above fluoroelastomer composition (i), a polyfunctional unsaturated compound (ii) and a peroxide (iii), as well as a method for producing the fluoroelastomer mixture.

摘要翻译： 一种含氟弹性体混合物，包括：含有碘原子的过氧化物可硫化的含氟弹性体（A） 和含有碘原子的过氧化物可硫化的含氟弹性体（B）。 含氟弹性体（A）是由50〜85摩尔％的偏氟乙烯单元和15〜50摩尔％的全氟（烷基乙烯基醚）单元组成的共聚物（a1），或由45〜85组成的共聚物（a2） 偏二氟乙烯单元的摩尔％，四氟乙烯单元为1〜30摩尔％，全氟（烷基乙烯基醚）单元为14〜30摩尔％。 此外，含氟弹性体（B）的氟含量为70.0％以上。 还公开了含有上述含氟弹性体组合物（i），多官能不饱和化合物（ⅱ）和过氧化物（ⅲ）的过氧化物硫化的组合物，以及含氟弹性体混合物的制造方法。

公开(公告)号：US20110021690A1

公开(公告)日：2011-01-27

申请号：US12934560

申请日：2009-03-17

申请人： Yosuke Nishimura ,  Shoji Fukuoka ,  Yasuko Takagahara ,  Masahiko Oka ,  Kazuyoshi Kawasaki ,  Mitsuru Kishine

发明人： Yosuke Nishimura ,  Shoji Fukuoka ,  Yasuko Takagahara ,  Masahiko Oka ,  Kazuyoshi Kawasaki ,  Mitsuru Kishine

IPC分类号： C08L53/00 ,  C08L27/16

CPC分类号： C08L27/16 ,  C08L2205/02 ,  C08L2666/04

摘要： There is provided a fluorine-containing elastomer composition assuring easy kneading and providing a crosslinked article having improved strength. The fluorine-containing elastomer composition comprises (A) an elastomer of a vinylidene fluoride/hexafluoropropylene copolymer having a branching coefficient of 30 to 300 ppm, a Mooney viscosity (ML1+10: 121° C.) of 7 to 80 and a molecular weight distribution (Mw/Mn) of 1.5 to 4, and (B) an elastomer of a vinylidene fluoride/hexafluoropropylene copolymer having a storage modulus G′ at 180° C. at 500 cpm of 500 to 900, and a mass ratio of (A)/(B) is 70/30 to 90/10.

摘要翻译： 提供了一种含氟弹性体组合物，其确保容易的捏合并提供具有改进的强度的交联制品。 含氟弹性体组合物包含（A）分支系数为30〜300ppm，门尼粘度（ML1 + 10：121℃）为7〜80的偏二氟乙烯/六氟丙烯共聚物的弹性体，分子量 分布（Mw / Mn）为1.5〜4，（B）在500℃下在180℃下的储能模量G'为500〜900的偏二氟乙烯/六氟丙烯共聚物的弹性体，（A ）/（B）为70/30〜90/10。

公开(公告)号：US07659347B2

公开(公告)日：2010-02-09

申请号：US11587573

申请日：2005-04-22

申请人： Keiko Washino ,  Kazuyoshi Kawasaki ,  Mitsuru Kishine

发明人： Keiko Washino ,  Kazuyoshi Kawasaki ,  Mitsuru Kishine

IPC分类号： C08F8/30

CPC分类号： C08K5/0025 ,  C08K5/16 ,  C09K3/1009 ,  F16J15/102 ,  C08L27/12 ,  C08L27/16

摘要： The present invention provides a fluorine-containing elastomer composition excellent in heat resistance, comprising a fluorine-containing elastomer containing a vinylidene fluoride unit, which is capable of a crosslinking reaction, and a crosslinking agent. The present invention also provides a molded article, a sealing material, and a sealing material for an oxygen sensor excellent in heat resistance, which comprises the composition. The present invention is a fluorine-containing elastomer composition comprising (A) at least one compound selected form the group consisting of a compound containing at least two crosslinking reaction group s represented by the general formula (1), a compound represented by the general formula (2), a compound represented by the general formula (3) and a compound represented by the general formula (4); and (B) a fluorine-containing elastomer capable of a crosslinking reaction with the compound (A), comprising a vinylidene fluoride unit.

摘要翻译： 本发明提供耐热性优异的含氟弹性体组合物，其含有能够进行交联反应的偏二氟乙烯单元的含氟弹性体和交联剂。 本发明还提供一种模制品，密封材料和用于具有优异耐热性的氧传感器的密封材料，其包含该组合物。 本发明是一种含氟弹性体组合物，其含有（A）至少一种选自由通式（1）表示的至少两个交联反应基团的化合物，由通式 （2）表示的化合物，由通式（3）表示的化合物和由通式（4）表示的化合物。 和（B）能够与化合物（A）交联反应的含氟弹性体，其包含偏二氟乙烯单元。

公开(公告)号：US07375171B2

公开(公告)日：2008-05-20

申请号：US10542545

申请日：2004-01-22

申请人： Yousuke Nishimura ,  Masaki Irie ,  Sadashige Irie ,  Manabu Fujisawa ,  Satoshi Tokuno ,  Mitsuru Kishine

发明人： Yousuke Nishimura ,  Masaki Irie ,  Sadashige Irie ,  Manabu Fujisawa ,  Satoshi Tokuno ,  Mitsuru Kishine

IPC分类号： C08F14/18

CPC分类号： C08F214/28 ,  C08F214/18 ,  C08F214/22

摘要： 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.

摘要翻译： 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，R 5， 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。

公开(公告)号：US20080075904A1

公开(公告)日：2008-03-27

申请号：US11795039

申请日：2006-02-01

申请人： Kazuyoshi Kawasaki ,  Kazuhisa Matsumoto ,  Mitsuru Kishine

发明人： Kazuyoshi Kawasaki ,  Kazuhisa Matsumoto ,  Mitsuru Kishine

IPC分类号： C08L15/00 ,  B32B15/06 ,  C08K5/3415

CPC分类号： C08K5/0025 ,  C08K5/3442 ,  Y10T428/1393 ,  C08L27/12 ,  C08L27/16

摘要： The present invention provides a crosslinkable composition comprising a fluorine-containing rubber, a crosslinking agent and an additive, a laminated article having a rubber layer formed by using the composition, and a hose. The crosslinkable composition comprises a fluorine-containing rubber, a crosslinking agent and an additive, in which the additive is at least one compound selected from the group consisting of a compound represented by the formula (1): wherein R1, R2 and R3 are the same or different and each is hydrogen atom or a monovalent organic group having 1 to 30 carbon atoms; X1− is a monovalent anion, a compound represented by the formula (2): wherein n is 0 or an integer of 1 to 50, and a compound represented by the formula (3):

摘要翻译： 本发明提供一种包含含氟橡胶，交联剂和添加剂的交联性组合物，具有通过使用该组合物形成的橡胶层的层压制品和软管。 可交联组合物包含含氟橡胶，交联剂和添加剂，其中添加剂是选自由式（1）表示的化合物中的至少一种化合物：其中R 1， R 2，R 2和R 3相同或不同，各自为氢原子或碳原子数为1〜30的一价有机基团; X 1是一价阴离子，由式（2）表示的化合物：其中n为0或1至50的整数，以及由式（3）表示的化合物：

公开(公告)号：US20070293644A1

公开(公告)日：2007-12-20

申请号：US11889645

申请日：2007-08-15

申请人： Tatsuya Morikawa ,  Kazuhiro Yamamura ,  Manabu Fujisawa ,  Etsuo Minamino ,  Mitsuru Kishine

发明人： Tatsuya Morikawa ,  Kazuhiro Yamamura ,  Manabu Fujisawa ,  Etsuo Minamino ,  Mitsuru Kishine

IPC分类号： C08F16/24

CPC分类号： C09D127/18 ,  C08F214/18 ,  C08F214/182

摘要： The present invention has for its object to provide a fluorocopolymer which is available at low cost, has fluidity at room temperature, and is curable, a method of producing the same copolymer and a curable composition having good processability and in situ moldability. The present invention is directed to a fluorocopolymer which is fluid at room temperature and curable, and which is obtainable from a trifluorovinyl group-containing monomer with an ethylenically unsaturated double bond moiety being a trifluorovinyl group.

摘要翻译： 本发明的目的是提供一种低成本，在室温下具有流动性且可固化的含氟共聚物，制备相同共聚物的方法和具有良好加工性和原位成型性的可固化组合物。 本发明涉及含氟共聚物，其在室温下为流动性且可固化，并且可由具有烯键式不饱和双键部分的含三氟乙烯基的单体获得，为三氟乙烯基。

公开(公告)号：US07309743B2

公开(公告)日：2007-12-18

申请号：US10726604

申请日：2003-12-04

申请人： Kazuyoshi Kawasaki ,  Masaki Irie ,  Katsuhiko Iseki ,  Tsuyoshi Itagaki ,  Tsuyoshi Noguchi ,  Takafumi Yamato ,  Mitsuru Kishine

发明人： Kazuyoshi Kawasaki ,  Masaki Irie ,  Katsuhiko Iseki ,  Tsuyoshi Itagaki ,  Tsuyoshi Noguchi ,  Takafumi Yamato ,  Mitsuru Kishine

IPC分类号： C08L27/12 ,  C08F8/00

CPC分类号： C08L27/12 ,  C08F8/00 ,  C08F8/30 ,  C08F2800/10 ,  C08F2810/20 ,  C08K5/18 ,  C08K5/29 ,  C08K5/32 ,  C08F216/1408

摘要： To provide a novel crosslinking system of fluorine-containing elastomer giving a crosslinked product particularly having improved mechanical strength and compression set at high temperature. A fluorine-containing rubber composition comprising a fluorine-containing elastomer having carboxyl group and/or alkoxycarbonyl group at an end of a trunk chain and/or branched chain as a crosslinkable group.

摘要翻译： 提供一种含氟弹性体的新型交联体系，得到交联产物，特别是在高温下具有改进的机械强度和压缩永久变形。 一种含氟橡胶组合物，其包含在作为可交联基团的树脂链和/或支链末端具有羧基和/或烷氧基羰基的含氟弹性体。