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    • 7. 发明授权
    • Rubber composition for steel cord and steel cord coated thereby
    • 用于钢帘线和钢帘线的橡胶组合物由此涂覆
    • US07705077B2
    • 2010-04-27
    • US11229657
    • 2005-09-20
    • Tatsuya Miyazaki
    • Tatsuya Miyazaki
    • C08K5/09
    • C08K5/41C08K5/55Y10T152/10765Y10T152/10846Y10T428/2924Y10T428/294Y10T428/2944Y10T428/31692Y10T428/31707C08L21/00
    • The present invention provides a rubber composition for coating a steel cord in a belt layer which can decrease a decreasing rate of tensile properties caused by deterioration of thermal oxidation, inhibiting peeling from the steel cord and further reducing a rubber flow, and a steel cord coated with a carcass layer comprising the same. The present invention relates to a rubber composition for coating a steel cord comprising (A) at least 3 parts by weight and less than 5 parts by weight of sulfur, (B) 0.1 to 1 part by weight of hexamethylenebisthiosulfate disodium salt dihydrate, and (C) a cobalt salt of an organic acid containing boron based on 100 parts by weight of a rubber component, wherein the amount of cobalt in the cobalt salt of a boron containing organic acid (C) is 0.05 to 0.25 part by weight based on 100 parts by weight of the rubber component, and a steel cord coated with a carcass layer comprising the same.
    • 本发明提供了一种用于在带束层中涂覆钢帘线的橡胶组合物,其可以降低由热氧化劣化引起的拉伸性能的降低率,抑制钢帘线的剥离并进一步减少橡胶流动,并且涂覆钢帘线 具有包含该胎体层的胎体层。 本发明涉及一种用于涂覆钢帘线的橡胶组合物,其包含(A)至少3重量份且少于5重量份的硫,(B)0.1至1重量份的六亚甲基二硫代二硫酸二钠盐二水合物和( C)基于100重量份橡胶组分的含硼有机酸的钴盐,其中含硼有机酸(C)的钴盐中的钴的量相对于100重量份为0.05至0.25重量份 重量份的橡胶组分,以及涂覆有包含该橡胶组分的胎体层的钢帘线。