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    • 4. 发明授权
    • Tire rubber composition and pneumatic tire
    • 轮胎橡胶组成和充气轮胎
    • US08669321B2
    • 2014-03-11
    • US12960836
    • 2010-12-06
    • Takayuki HattoriAi MatsuuraTakao Wada
    • Takayuki HattoriAi MatsuuraTakao Wada
    • C08L9/00
    • C08L15/00B60C1/00B60C1/0016C08K3/36Y02T10/862C08L7/00
    • It is an object of the present invention to provide a tire rubber composition and a pneumatic tire produced using the rubber composition, which improve mechanical strength, abrasion resistance, rolling resistance, wet grip performance, and dry grip performance in good balance. The present invention relates to a tire rubber composition comprising: a rubber component that contains a modified diene rubber; and a silica component that contains a silica surface-treated with a silane coupling agent, wherein the amount of the modified diene rubber in 100% by mass of the rubber component is 15% by mass or more, and the dispersion ratio of the silica component is 70% or higher.
    • 本发明的目的是提供使用该橡胶组合物制造的轮胎橡胶组合物和充气轮胎,其以良好的平衡提高机械强度,耐磨性,滚动阻力,湿抓地性能和干抓地性能。 本发明涉及一种轮胎橡胶组合物,其包括:含有改性二烯橡胶的橡胶组分; 以及含有用硅烷偶联剂进行表面处理的二氧化硅的二氧化硅成分,其中,100质量%的橡胶成分中的改性二烯系橡胶的含量为15质量%以上,二氧化硅成分 是70%以上。
    • 9. 发明申请
    • Tire
    • US20070000585A1
    • 2007-01-04
    • US11455091
    • 2006-06-19
    • Mamoru UchidaTakayuki HattoriTakao WadaTomoaki Hirayama
    • Mamoru UchidaTakayuki HattoriTakao WadaTomoaki Hirayama
    • B60C19/08
    • B60C19/08Y02T10/862
    • A tire improving electric conductivity and rolling resistance performance is provided. A tire wherein an inherent resistance value is at least 109 Ω·cm and the amount ratio of silica in a reinforcing filler is at least 70% by weight in a tread part, a sidewall part, a breaker part or a ply part, further having a conductive rubber layer together with the tire parts, wherein the conductive rubber layer is (a) a conductive rubber layer which contacts with a bead part and is continuously arranged to the ground contact surface of the tread part through between the sidewall part and the ply part, having an inherent resistance value of at most 108 Ω·cm and a thickness of 0.1 to 5 mm, or (b) a conductive rubber layer which contacts with a bead part and is continuously arranged between the sidewall part and the ply part and between the tread part and the breaker part or in the tread part, having an inherent resistance value of at most 108 Ω·cm and a thickness of 0.1 to 5 mm.
    • 提供了提高导电性和滚动阻力性能的轮胎。 一种其中固有电阻值至少为10Ω·cm的轮胎,并且增强填料中二氧化硅的量比在胎面部分,侧壁部分,断路器中至少为70重量% 还具有与轮胎部分一起具有导电橡胶层的部分或一部分,其中导电橡胶层是(a)与胎圈部接触并且连续地布置在胎面部的接地面上的导电橡胶层 通过侧壁部分和帘布层部分之间具有至多108Ω·cm的固有电阻值和0.1至5mm的厚度,或(b)与胎圈部分接触并且连续地布置在胎圈部分之间的导电橡胶层 侧壁部分和帘布层部分之间以及在胎面部分和断路器部分之间或在胎面部分中,其固有电阻值至多为10±0.8cm,厚度为0.1〜5mm 。