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    • 6. 发明公开
    • Rubber composition and tire using same
    • 橡胶组合物和使用它的轮胎
    • EP1873197A2
    • 2008-01-02
    • EP07011711.4
    • 2007-06-14
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Hirayama, TomoakiWada, Takao
    • C08K3/04C08K3/36C08L21/00
    • C08L7/00C08C19/06C08K3/36C08L3/04C08L15/00C08L2666/08
    • The present invention provides a rubber composition for a tire which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum in future and improve weather resistance and rubber strength in good balance, and a tire prepared by using the rubber composition. The rubber composition of the present invention comprises not less than 20 parts by weight of a silica, not more than 5 parts by weight of a carbon black and 2 to 20 parts by weight of a turpentine soot and/or lamp black having an average particle diameter of not more than 1,000 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber, and a tire prepared by using the rubber composition.
    • 本发明提供一种轮胎用橡胶组合物,其能够考虑对环境的影响,为将来的石油供应量的减少做准备,并且良好地提高耐候性和橡胶强度,以及使用该橡胶制备的轮胎 组成。 本发明的橡胶组合物包含不小于20重量份的二氧化硅,不大于5重量份的炭黑和2至20重量份的具有平均颗粒的松节油烟和/或灯黑 基于100重量份的包含天然橡胶和/或环氧化天然橡胶的橡胶组分,以及使用该橡胶组合物制备的轮胎,其直径不大于1,000nm。
    • 10. 发明公开
    • Tire with rubber sidewall containing internal electrically conductive rubber strip
    • Reifen mit einer Gummiseitenwand,die einen inneren leitenden Gummistreifenenthält
    • EP1738935A2
    • 2007-01-03
    • EP06012184.5
    • 2006-06-13
    • Sumitomo Rubber Industries Ltd
    • Uchida, MamoruHattori, TakayukiWada, TakaoHirayama, Tomoaki
    • 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 10 9 Ω·cm and the amount ratio of silica in a reinforcing filler is at least 70 % by weight in a tread part (1), a sidewall part (2), a breaker part (3) or a ply part (4), further having a conductive rubber layer (10) together with the tire parts, wherein the conductive rubber layer (10) 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 (2) and the ply part (4), having an inherent resistance value of at most 10 8 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 (2) and the ply part (4) and between the tread part (1) and the breaker part (3) or in the tread part, having an inherent resistance value of at most 10 8 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。 一种轮胎,其中固有电阻值至少为10 9·cm,并且增强填料中的二氧化硅的量比在胎面部分(1),侧壁部分(2),断裂部分(2)中至少为70重量% (3)或帘布层部分(4),还与轮胎部分一起具有导电橡胶层(10),其中导电橡胶层(10)是(a)与胎圈部分接触的导电橡胶层, 通过侧壁部分(2)和帘布层部分(4)之间连续地布置到胎面部分的接地表面上,其固有电阻值至多为10 8·cm,厚度为0.1至5mm,或 (b)导电橡胶层,其与胎圈部分接触并且连续地布置在侧壁部分(2)和帘布层部分(4)之间以及胎面部分(1)和破碎部分(3)之间或胎面 部分,其固有电阻值至多为10 8·cm,厚度为0.1至5mm。