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    • 5. 发明公开
    • Pneumatic tires comprising an improved tread
    • Reifen mit verbesserterLauffläche。
    • EP0074233A1
    • 1983-03-16
    • EP82304541.4
    • 1982-08-27
    • BRIDGESTONE TIRE COMPANY LIMITED
    • Ogawa, MasakiIkegami, Mikihiko
    • C08L9/06B60C1/00
    • B60C1/0016C08K3/04C08K5/01C08L7/00C08L9/00C08L9/06Y10S152/905Y10T152/10495C08L2666/08
    • A pneumatic tire comprising an improved tread has a tread composed of a rubber composition comprising from 10-120 parts by weight of carbon black having an iodine adsorption number of not less than 36 mg/g and a dibutyl phthalate adsorption number of not less than 60 ml/100 g: from 0.4 to 5 parts by weight of a vulcanizing agent: and 100 parts by weight of a rubber component consisting of from 40 - 100 parts by weight of a styrene-butadiene copolymer rubber and from 0 to 60 parts by weight of one or more diene rubbers other than said styrene-butadiene rubber which has a bound styrene content (S) of from 10 to 30% by weight and a 1,2-bond content in the butadiene portion (V) of from 40 to 70% by weight, such that 65≤1.7S+V≤100, and contains not more than 10% by weight, based on the weight of bound styrene, of styrene sequences consisting of not less than 11 styrene monomer units and not less than 80% by weight of. based on the weight of bound styrene, of styrene sequences consisting of not more than 5 styrene monomer units.
    • 包括改进的胎面的充气轮胎具有由橡胶组合物构成的胎面,该橡胶组合物包含10-120重量份的碘吸附数不少于36mg / g的炭黑和邻苯二甲酸二丁酯吸附数不小于60 ml / 100g; 0.4〜5重量份的硫化剂; 和100重量份由40-100重量份苯乙烯 - 丁二烯共聚物橡胶和0至60重量份除了所述苯乙烯 - 丁二烯橡胶之外的一种或多种二烯橡胶组成的橡胶组分,所述二烯橡胶具有结合 苯乙烯含量(S)为10至30重量%,丁二烯部分(V)中的1,2-键含量为40至70重量%,使得65 <1.7S + V < 100,并且基于结合的苯乙烯的重量,含有不超过10重量%的由不小于11个苯乙烯单体单元组成的苯乙烯序列和不小于80重量%的基于结合的苯乙烯的重量, 的由不超过5个苯乙烯单体单元组成的苯乙烯序列。