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    • 26. 发明专利
    • Rubber composition and tire formed from the same
    • 橡胶组合物和从其形成的轮胎
    • JP2006169434A
    • 2006-06-29
    • JP2004366169
    • 2004-12-17
    • Sumitomo Rubber Ind Ltd住友ゴム工業株式会社
    • TERAKAWA KATSUMI
    • C08L63/08B60C1/00C08K9/06
    • PROBLEM TO BE SOLVED: To provide a rubber composition that highly enhances wet grip performance, low fuel consumption and abrasion resistance of a tire with a good balance among them and to provide a tire formed from the rubber composition.
      SOLUTION: The rubber composition comprises 100 pts.wt. rubber component containing 20 wt% or more epoxidized styrene/butadiene rubber produced by epoxidizing 1-20 mol% butadiene part in a solution-polymerized styrene/butadiene rubber having a weight-average molecular weight of 5.0×10
      5 -2.0×10
      6 and a glass transition point of -35 to -20°C, 20-80 pts.wt. silica having a nitrogen-adsorbing specific surface area of 100-300 m
      2 /g and a silane coupling agent. The tire which has a tread formed from the rubber composition is provided.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种橡胶组合物,其能够高度提高轮胎的湿抓地性能,低燃料消耗量和耐磨性,并且具有良好的平衡,并且提供由橡胶组合物形成的轮胎。 解决方案:橡胶组合物包含100重量份 含有20重量%以上环氧化苯乙烯/丁二烯橡胶的橡胶组分,其通过在重均分子量为5.0×10 5的溶液聚合苯乙烯/丁二烯橡胶中环氧化1-20摩尔%丁二烯部分而制备 > -2.0×10 6 ,玻璃化转变点为-35〜-20℃,20-80重量份。 氮吸附比表面积为100-300m 2 / SP / g的二氧化硅和硅烷偶联剂。 提供具有由橡胶组合物形成的胎面的轮胎。 版权所有(C)2006,JPO&NCIPI
    • 27. 发明专利
    • Conductive seamless belt, method for producing conductive seamless belt and image forming device provided with conductive seamless belt
    • 导电无缝带,用于生产导电无缝带的方法和形成具有导电无缝带的图像形成装置
    • JP2005220269A
    • 2005-08-18
    • JP2004031232
    • 2004-02-06
    • Sumitomo Rubber Ind Ltd住友ゴム工業株式会社
    • HATTORI TAKAYUKITANAKA MASAKAZUTERAKAWA KATSUMI
    • B65H5/02C08L27/12C08L71/02
    • PROBLEM TO BE SOLVED: To provide a conductive belt free from the problems of bleeding, blooming and contamination/transfer contamination of a photoreceptor, and having small scattering of the resistance value and extremely small environment dependency of resistance value.
      SOLUTION: The conductive belt having a conductive layer is formed by using a polymer produced by compounding a thermoplastic polymer composition having a polyoxyalkylene structure and a salt having either one cation of chemical formulas 1-3 to a fluorine-based thermoplastic polymer and converting the fluorine-based polymer to be conductive by ionic conduction. The amount of the salt is ≥0.01 pt. wt. and ≤20 pts. wt. based on 100 pts. wt. of total polymer. In the formulas, X
      1 , X
      2 and X
      3 are each a 1-8C functional group containing C, F and SO
      2 .
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种没有感光体的渗色,起霜和污染/转印污染的问题的导电带,并且具有小的电阻值的散射和极小的电阻值的环境依赖性。 解决方案:具有导电层的导电带通过使用通过将具有聚氧化烯结构的热塑性聚合物组合物和具有化学式1-3的一个阳离子的盐配合到氟基热塑性聚合物而制备的聚合物形成, 通过离子传导将氟基聚合物转化成导电性。 盐的用量≥0.01pt。 重量。 和≤20点。 重量。 基于100点。 重量。 的总聚合物。 式中,X 1 X 2 和X 3 分别是含有C,F和SO 2 。 版权所有(C)2005,JPO&NCIPI
    • 28. 发明专利
    • Rubber composition for a tire tread
    • 轮胎用橡胶组合物
    • JP2005154696A
    • 2005-06-16
    • JP2003399317
    • 2003-11-28
    • Sumitomo Rubber Ind Ltd住友ゴム工業株式会社
    • NISHIOKA KAZUYUKIMABUCHI TAKAHIROTERAKAWA KATSUMIMURAOKA KIYOSHIGE
    • B60C1/00C08L9/06
    • PROBLEM TO BE SOLVED: To provide a rubber composition for a tire tread where gripping performance and abrasion resistance are highly balanced.
      SOLUTION: The rubber composition for a tire tread comprises (a) a rubber component of 100 pts.wt. containing a styrene-butadiene copolymer rubber in which at least 60 wt% has styrene content of 20-60 wt%, (b) a low molecular weight styrene-butadiene copolymer of 5-200 pts.wt. whose styrene content is 10-70 wt% and weight average molecular weight is 2,000-50,000, (c) a resin of 2-50 pts.wt. whose softening point is 50-150°C, and (d) a softening agent and/or plasticizer of 1-10 pts.wt.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于轮胎胎面的橡胶组合物,其中抓地性能和耐磨性高度平衡。 解决方案:轮胎胎面用橡胶组合物包含(a)100重量份的橡胶组分 含有至少60重量%苯乙烯含量为20-60重量%的苯乙烯 - 丁二烯共聚物橡胶,(b)5-200重量份的低分子量苯乙烯 - 丁二烯共聚物。 其苯乙烯含量为10-70重量%,重均分子量为2,000-50,000,(c)2-50重量份的树脂。 其软化点为50-150℃,和(d)1-10重量份的软化剂和/或增塑剂。 版权所有(C)2005,JPO&NCIPI