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    • 1. 发明授权
    • Process for producing crosslinked fluororubber
    • 制备交联氟橡胶的方法
    • US08721948B2
    • 2014-05-13
    • US12160427
    • 2006-10-16
    • Hiroyuki SanoHiroki Matsumoto
    • Hiroyuki SanoHiroki Matsumoto
    • B29C71/02
    • C08J7/08C08J3/245C08J7/06C08J2327/12C08K5/0025C08K5/13C08K5/19C08L27/12
    • [Problem]To provide a method for producing a polyol-crosslinking, crosslinked fluororubber product which exhibits low tack properties and significantly increased rubber hardness.[Means for Solving the problem] The method comprises pressurizing, heating, and vulcanizing a fluororubber composition to mold a vulcanized product; the fluororubber composition comprising a polyol-crosslinkable fluororubber, a crosslinking accelerator including a quarternary phosphonium salt or a quarternary ammonium salt, and a polyol crosslinking agent, the weight ratio X of the crosslinking accelerator to the polyol crosslinking agent (crosslinking accelerator/polyol crosslinking agent) being from 0.90 to 3.00 for a quarternary phosphonium salt, and being from 0.4 to 0.6 for a quarternary ammonium salt; applying a treatment solution containing the polyol crosslinking agent and the crosslinking accelerator dissohttp://reedman/Manuals/Text_Manual/Section_03.htm - 3.1lved in a solvent to a surface of the vulcanized product; and heat-treating the resulting vulcanized product at a temperature ranging from 200 to 300° C. for 1 to 20 hours.
    • [问题]提供一种生产显示低粘性和显着提高橡胶硬度的多元醇交联的氟橡胶产品的方法。 解决问题的方法该方法包括加压,加热和硫化氟橡胶组合物以模制硫化产品; 包含多元醇交联性氟橡胶,包含季铵盐或季铵盐的交联促进剂和多元醇交联剂的氟橡胶组合物,交联促进剂与多元醇交联剂的重量比X(交联促进剂/多元醇交联剂 )对于季铵盐为0.90至3.00,对于季铵盐为0.4至0.6; 将含有多元醇交联剂和交联促进剂的处理溶液施加到硫化产品的表面上,溶解在溶剂中; 并在200-300℃的温度下对所得硫化产物进行1至20小时的热处理。
    • 5. 发明申请
    • RUBBER COMPOSITION AND USES THEREOF
    • 橡胶组合物及其用途
    • US20110040037A1
    • 2011-02-17
    • US12935577
    • 2008-03-31
    • Kuniyoshi KawasakiHiroyuki Sano
    • Kuniyoshi KawasakiHiroyuki Sano
    • C08L47/00
    • G11B33/08C08G77/12C08K5/5419C08K2201/014C08L23/16C08L83/04C09D183/14H01M8/0284
    • It is an object of the present invention to provide a rubber composition having: excellent sealing properties, heat resistance and acid resistance; a low reaction force, low hardness and low compression set; and excellent low-temperature recovery properties that contribute to sealing properties particularly in low-temperature environment. It is another object of the invention to provide uses of the rubber composition and main bodies on which the rubber composition has been mounted. The rubber composition of the present invention comprises a specific ethylene/α-olefin/non-conjugated polyene copolymer [A], a SiH group-containing compound [B] having two SiH groups in one molecule, and a SiH group-containing compound [C] having three SiH groups in one molecule.
    • 本发明的目的是提供一种具有优异的密封性,耐热性和耐酸性的橡胶组合物。 反作用力低,硬度低,压缩变形小; 以及优异的低温恢复性能,特别是在低温环境下有助于密封性能。 本发明的另一个目的是提供已经安装了橡胶组合物的橡胶组合物和主体的用途。 本发明的橡胶组合物包含特定的乙烯/α-烯烃/非共轭多烯共聚物[A],在一个分子中具有两个SiH基的含SiH基的化合物[B]和含SiH基的化合物[ C]在一个分子中具有三个SiH基团。
    • 7. 发明申请
    • Fluororubber Composition, Crosslinked Fluororubber Product, Process For Producing The Crosslinked Fluororubber Product, And Crosslinked Fluororubber Product For O-Rings
    • 氟橡胶组合物,交联氟橡胶产品,用于生产交联氟橡胶产品的方法和用于O型圈的交联氟橡胶产品
    • US20100036039A1
    • 2010-02-11
    • US12440909
    • 2007-09-19
    • Hiroyuki Sano
    • Hiroyuki Sano
    • C08K3/34
    • C08K3/34C08K5/14C08K9/02C08L27/12
    • [Problem] To provide a fluororubber composition that does not suffer from deposition, during extrusion, of a talc component contained in a heat- and low-temperature-resistant colorable fluororubber, that is capable of providing products having performance equal to that of conventional mass-produced materials, and that is capable of substantially reducing the rejection rate in the preparation of green stock; and a process for producing a crosslinked fluororubber product.[Means for Solving the Problem] A fluororubber composition comprising a fluororubber containing a fluoropolymer that is crosslinkable with a peroxide; a peroxide crosslinking agent; and a heat-resistant filler containing a calcined talc having a hydrophilic surface; a content of the calcined talc being from 2 to 20 parts by weight based on 100 parts by weight of the fluoropolymer. Preferably, the fluoropolymer that is crosslinkable with a peroxide is a low-temperature-type terfluoropolymer having a TR10 value of from −40 to −25° C.; and more preferably, the low-temperature-type terfluoropolymer is a vinylidene fluoride/perfluoro(methyl vinyl ether)/tetrafluoroethylene terfluoropolymer.
    • [问题]提供一种氟橡胶组合物,其在挤出期间不会沉积在耐热和耐低温可着色氟橡胶中的滑石组分,其能够提供具有与常规质量相同的性能的产品 生产的材料,并且能够显着降低绿色原料制备中的排除率; 以及交联氟橡胶制品的制造方法。 解决问题的手段一种氟橡胶组合物,其包含含有可与过氧化物交联的含氟聚合物的氟橡胶; 过氧化物交联剂; 和含有具有亲水性表面的煅烧滑石的耐热填料; 基于100重量份的含氟聚合物,煅烧滑石的含量为2至20重量份。 优选地,与过氧化物可交联的含氟聚合物是具有-40至-25℃的TR10值的低温型三氟聚合物; 更优选低温型三氟聚合物是偏氟乙烯/全氟(甲基乙烯基醚)/四氟乙烯三氟聚合物。
    • 8. 发明申请
    • Polyol-crosslinkable fluoro-rubber composition
    • 多元醇交联氟橡胶组合物
    • US20090082526A1
    • 2009-03-26
    • US11920305
    • 2006-04-05
    • Toshihiro HigashiraHiroyuki Sano
    • Toshihiro HigashiraHiroyuki Sano
    • C08F283/02
    • C08K3/26C08K3/22C08K5/13C08L27/12
    • A polyol-crosslinkable fluororubber composition comprises 100 parts by weight of polyol-crosslinkable fluororubber; 0.5 to 10 parts by weight of a perfluoroalkane represented by the general formula F(CF2)2nF (n: 5˜30), a 1H-perfluoroalkane represented by the general formula F(CF2)mH (m: 10˜30), or a mixture thereof; 0.5 to 2 parts by weight of basic magnesium aluminum hydroxycarbonate hydrate; and 1 to 5 parts by weight of an acid acceptor compound excluding Ca compounds. The fluororubber composition can simultaneously attain improvement in preservation stability of compounds, prevention of compounds from adhesion at the time of kneading, short-time vulcanization, improvement of mold releasability at the time of vulcanization molding, prevention of contamination with metal ions and reduction in adhesiveness of crosslinking products due to increase of crosslinking density without substantially impairing the normal state physical properties or compression set characteristics and further advantage-ous properties inherent in the fluororubber, and contains no calcium compounds causing contamination of HDD.
    • 多元醇交联性氟橡胶组合物包含100重量份的多元醇交联的氟橡胶; 0.5至10重量份由通式F(CF 2)2n F(n:5〜30)表示的全氟烷烃,由通式F(CF 2)m H(m:10〜30)表示的1H-全氟烷烃,或 其混合物; 0.5〜2重量份碱式羟基碳酸镁镁水合物; 和1〜5重量份除Ca化合物以外的酸受体化合物。 氟橡胶组合物可以同时提高化合物的保存稳定性,防止化合物在捏合时的粘合,短时硫化,硫化成型时脱模性的提高,防止金属离子污染和粘合性降低 由于交联密度的增加而交联产物,而基本上不损害正常状态的物理性能或压缩永久变形特性以及氟橡胶中固有的其它优点,并且不含有导致HDD污染的钙化合物。