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    • 2. 发明公开
    • Rubber composition for coating steel cord and tire having belt using same
    • 用于涂覆钢帘线和轮胎与它们的带的橡胶组合物
    • EP1935932A1
    • 2008-06-25
    • EP07023988.4
    • 2007-12-11
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Uchida, Mamoru
    • C08K3/38C08K5/56B60C9/00C08L21/00
    • C08K5/56B60C9/2006C08K3/38C08K5/098C08K5/548Y02T10/862C08L21/00
    • The present invention provides a rubber composition for coating a steel cord, use of which makes it possible to consider an effect on environment, prepare for the future decrease in supply of petroleum resources, suppress generation of air bubbles, reduce rolling resistance, and improve processability, roll workability, adhesion to a steel cord and durability with favorable balance, as compared with a rubber composition for coating a steel cord comprising raw materials derived from petroleum resources as main components, and provides a tire having a belt prepared by using the rubber composition. The rubber composition for coating a steel cord comprises 40 to 80 parts by weight of silica having a nitrogen adsorbing-specific surface area of 100 to 200 m 2 /g, 1 to 15 parts by weight of a silane coupling agent and 0.5 to 3 parts by weight of potassium borate, on the basis of 100 parts by weight of a diene rubber component, and the tire is prepared using the rubber composition.
    • 本发明提供的橡胶组合物用于涂覆钢丝帘线,使用哪使得能够考虑对环境的影响,对于在石油资源的供给的将来减少做好准备,抑制气泡的产生,降低滚动阻力,提高加工性 ,卷加工性,粘合性的钢丝帘线和耐久性良好的平衡,与用于涂覆钢帘线,其包括来自石油资源作为主要成分的原材料的橡胶组合物相比,以及提供一种具有使用该橡胶组合物制备的带的轮胎 , 用于涂覆钢帘线的橡胶组合物按重量计的二氧化硅具有100氮特定吸附表面积200米2 /克,为1〜15重量份的硅烷偶联剂和0.5〜3重量份包含40至80份 重量硼酸钾,100重量份的二烯橡胶组分的基础上,并且轮胎被使用橡胶组合物制备。