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    • 7. 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。
    • 8. 发明授权
    • Rubber composition for base tread and tire
    • 基础胎面和轮胎的橡胶组合物
    • US07919553B2
    • 2011-04-05
    • US12555885
    • 2009-09-09
    • Satoshi KawasakiTakayuki Hattori
    • Satoshi KawasakiTakayuki Hattori
    • C08K5/04C08K5/00
    • C08L7/00B60C1/0016C08K5/098C08L9/00C08L21/00C08L2666/08
    • The present invention aims to produce a rubber composition for a base tread, which suppresses reversion and achieves excellent mechanical strength, fuel economy and processability, and a tire using the rubber composition, with high efficiency to provide them to customers at low prices. The present invention relates to a rubber composition for a base tread, containing: a rubber component; and a mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid, wherein the rubber component contains natural rubber and butadiene rubber, the butadiene rubber content being 10 to 90% by mass per 100% by mass of the rubber component, and the mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid is contained in an amount of 1 to 10 parts by mass per 100 parts by mass of the rubber component.
    • 本发明的目的在于制造一种用于胎面基底的橡胶组合物,其能够高效率地以低价格向顾客提供逆转和优异的机械强度,燃料经济性和加工性,以及使用该橡胶组合物的轮胎。 本发明涉及一种用于胎面基底的橡胶组合物,其包含:橡胶组分; 和脂肪族羧酸的锌盐与芳香族羧酸的锌盐的混合物,其中,所述橡胶成分含有天然橡胶和丁二烯橡胶,丁二烯橡胶的含量为每100质量%为10〜90质量% 橡胶成分,芳香族羧酸的锌盐和锌盐的混合物的含量相对于橡胶成分为100质量份为1〜10质量份。