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    • 33. 发明申请
    • Crosslinkable rubber compositions and uses thereof
    • 可交联橡胶组合物及其用途
    • US20050154132A1
    • 2005-07-14
    • US11002938
    • 2004-12-03
    • Takashi HakutaMasaaki KawasakiYoshiharu KikuchiTsutomu NakamuraSatao HirabayashiTakeo Yoshida
    • Takashi HakutaMasaaki KawasakiYoshiharu KikuchiTsutomu NakamuraSatao HirabayashiTakeo Yoshida
    • C08K5/00C08L23/16C08L83/04C08L47/00C08F4/06
    • C08K5/0025C08L23/16C08L83/04C08L2312/08C08L2314/02C08L83/00
    • The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene/α-olefin/non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor. The automobile weatherstrip, hose, rubber vibration insulator, belt, sealing material, expanded product, covered electric wire, electric wire joint, electric insulating part and household rubber product according to the invention comprise the above-mentioned rubber composition. The rubber composition has a high crosslinking rate and excellent productivity to produce crosslinked rubber molded products, is capable of undergoing hot-air crosslinking such as HAV or UHF and is capable of providing crosslinked rubber molded products having excellent compression set resistance, strength properties, heat resistance, weathering resistance and abrasion resistance.
    • 本发明的交联性橡胶组合物可以通过热风进行交联,在使用HB的铅笔的硬度试验中,热风交联橡胶片在表面没有刮痕,并且在a后的压缩永久变形为70%以上 在150℃下热处理22小时。 该橡胶组合物包含一个乙烯/α-烯烃/非共轭多烯无规共聚物橡胶,其包含特定的含乙烯基端基的降冰片烯化合物,在一个分子中具有至少两个SiH基团的含SiH基化合物,如果需要, 包含铂族元素和反应抑制剂的加成反应催化剂。 根据本发明的汽车密封条,软管,橡胶振动绝缘子,带,密封材料,膨胀产品,包覆电线,电线接头,电绝缘部件和家用橡胶制品包括上述橡胶组合物。 橡胶组合物具有高交联率和优异的生产交联橡胶成型体的生产率,能够进行热风交联如HAV或UHF,并且能够提供具有优异的耐压缩变形性,强度性能,热性能的交联橡胶模制产品 耐电阻,耐候性和耐磨性。
    • 39. 发明授权
    • Pneumatic tire for front wheel of motorcycle
    • 摩托车前轮气动轮胎
    • US06286575B1
    • 2001-09-11
    • US09448426
    • 1999-11-24
    • Tsutomu Nakamura
    • Tsutomu Nakamura
    • B60L900
    • B60C5/14B60C9/02B60C9/14B60C9/18B60C9/22B60C11/00B60C11/005B60C11/0058B60C15/0072B60C15/04B60C15/06B60C2015/048B60C2200/10Y10T152/10765Y10T152/10783
    • A pneumatic tire for a front wheel of a motorcycle comprises a pair of bead cores, a radial carcass toroidally extending between the pair of bead portions, a belt disposed on a radially outer surface of the carcass, and a tread portion disposed thereon, wherein the carcass is comprised of at least one carcass ply containing organic fiber cords, and the belt is a spiral belt layer formed by spirally winding a continuous rubberized cord or a continuous ribbon-shaped body containing plural cords therein in a widthwise direction of the tire, and the tread portion has a two-layer structure comprised of a cap rubber layer and a base rubber layer in at least a central region in the widthwise direction of the tire, or a reinforcing layer is disposed inside an innermost carcass ply or on an inner surface of an innerliner, or the bead core is a helically wound laminate of a single steel wire having a polygonal shape at a section of the bead core in the radial direction.
    • 一种用于摩托车前轮的充气轮胎包括一对胎圈芯,一对胎圈部之间环形延伸的径向胎体,设置在胎体的径向外表面上的带和设置在其上的胎面部,其中, 胎体由包含有机纤维帘线的至少一个胎体帘布层构成,带是螺旋带束层,其通过在轮胎的宽度方向上螺旋地缠绕连续的橡胶帘线或连续的带状多个帘线的带状体, 胎面部在至少轮胎的宽度方向的中央区域具有由盖橡胶层和基底橡胶层构成的两层结构,或者加强层设置在最内侧胎体帘布层内侧或内侧面 或胎圈芯是在径向方向上在胎圈芯的截面处具有多边形形状的单根钢丝的螺旋缠绕层压体。
    • 40. 发明授权
    • Conductive fluorosilicone rubber composition
    • 导电氟硅橡胶组合物
    • US06268426B1
    • 2001-07-31
    • US09531271
    • 2000-03-20
    • Satao HirabayashiTsutomu Nakamura
    • Satao HirabayashiTsutomu Nakamura
    • C08K303
    • C08K9/00C08L83/04
    • A conductive fluorosilicone composition including: (A) an organopolysiloxane having a polymerization degree of at least 100 and represented by the following average compositional formula: Ra(CF3CH2CH2)bSiO[4-(a+b)]/2  (1) wherein R is an unsubstituted monovalent hydrocarbon group, a is a number ranging from 0.8 to 1.8, b is a number ranging from 0.2 to 1.2, and a and b are numbers satisfying a+b=1.95 to 2.05 and b/(a+b)=0.1 to 0.6, (B) a graphitization-treated carbon black, and (C) a curing agent. The composition can give, upon curing, a cured product having a small tension-set, a good rubber-elasticity and an excellent heat-resistance, as well as a desired conductivity and a good solvent-resistance.
    • 一种导电氟硅酮组合物,其包含:(A)聚合度为至少100并由以下平均组成式表示的有机聚硅氧烷:其中R为未取代的单价烃基,a为0.8至1.8的数,b为 数字范围为0.2至1.2,a和b为满足a + b = 1.95至2.05和b /(a + b)= 0.1至0.6的数字,(B)石墨化处理的炭黑,(C)固化 代理商 组合物在固化时可以赋予具有小张力,良好的橡胶弹性和优异的耐热性以及期望的导电性和良好的耐溶剂性的固化产物。