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    • 4. 发明授权
    • Rubber composition and pneumatic tire
    • 橡胶组合物和充气轮胎
    • US09359491B2
    • 2016-06-07
    • US14361208
    • 2012-06-26
    • Daisuke Sato
    • Daisuke Sato
    • C08L9/06C08K3/36C08L15/00B60C1/00C08C19/44
    • C08L9/06B60C1/0016C08C19/44C08K3/36C08K2201/006C08L15/00Y02T10/862C08F236/10C08F2230/085
    • Provided are a rubber composition improving wet-grip performance and its temperature dependence while ensuring good fuel economy, and a pneumatic tire including the composition. The composition includes, per 100% by mass of a rubber component: 5-55% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (A) having an aromatic vinyl compound content of at least 5% by mass but less than 15% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %; and 5-75% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (B) having an aromatic vinyl compound content of at least 15% by mass but less than 30% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %, and also includes, per 100 parts by mass of the rubber component, 10-150 parts by mass of a silica having a N2SA of 40-400 m2/g.
    • 提供了一种在确保良好的燃料经济性的同时提高湿抓地性能和其温度依赖性的橡胶组合物,以及包括该组合物的充气轮胎。 该组合物包含相对于100质量%的橡胶成分:5-55质量%的芳香族乙烯基化合物/共轭二烯化合物共聚物(A),其芳香族乙烯基化合物含量为5质量%以上且小于15 质量%,共轭二烯化合物部分中的乙烯基键含量为10-70mol%; 和5-75质量%的芳香族乙烯基化合物/共轭二烯化合物共聚物(B),其芳香族乙烯基化合物含量为15质量%以上且30质量%以下,共轭二烯化合物中的乙烯基键含量 部分为10-70摩尔%,并且相对于100质量份的橡胶成分,也包含10〜150质量份的N 2 SA为40〜400m 2 / g的二氧化硅。
    • 9. 发明申请
    • RUBBER COMPOSITION AND PNEUMATIC TIRE
    • 橡胶组合物和气动轮胎
    • US20140329931A1
    • 2014-11-06
    • US14361208
    • 2012-06-26
    • Daisuke Sato
    • Daisuke Sato
    • C08L9/06
    • C08L9/06B60C1/0016C08C19/44C08K3/36C08K2201/006C08L15/00Y02T10/862C08F236/10C08F2230/085
    • Provided are a rubber composition improving wet-grip performance and its temperature dependence while ensuring good fuel economy, and a pneumatic tire including the composition. The composition includes, per 100% by mass of a rubber component: 5-55% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (A) having an aromatic vinyl compound content of at least 5% by mass but less than 15% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %; and 5-75% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (B) having an aromatic vinyl compound content of at least 15% by mass but less than 30% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %, and also includes, per 100 parts by mass of the rubber component, 10-150 parts by mass of a silica having a N2SA of 40-400 m2/g.
    • 提供了一种在确保良好的燃料经济性的同时提高湿抓地性能和其温度依赖性的橡胶组合物,以及包括该组合物的充气轮胎。 该组合物包含相对于100质量%的橡胶成分:5-55质量%的芳香族乙烯基化合物/共轭二烯化合物共聚物(A),其芳香族乙烯基化合物含量为5质量%以上且小于15 质量%,共轭二烯化合物部分中的乙烯基键含量为10-70mol%; 和5-75质量%的芳香族乙烯基化合物/共轭二烯化合物共聚物(B),其芳香族乙烯基化合物含量为15质量%以上且30质量%以下,共轭二烯化合物中的乙烯基键含量 部分为10-70摩尔%,并且相对于100质量份的橡胶成分,也包含10〜150质量份的N 2 SA为40〜400m 2 / g的二氧化硅。
    • 10. 发明申请
    • RUBBER COMPOSITION, AND PNEUMATIC TIRE
    • 橡胶组合物和气动轮胎
    • US20140296376A1
    • 2014-10-02
    • US14354307
    • 2012-06-26
    • Daisuke SatoKazuya ToritaSoh Ishino
    • Daisuke SatoKazuya ToritaSoh Ishino
    • C08L9/06C08L9/00C08L7/00
    • C08L9/06B60C1/00B60C1/0016C08C19/22C08C19/25C08F230/08C08F236/04C08K3/36C08K5/548C08L7/00C08L9/00C08L15/00Y02T10/862C08F212/08C08F236/10C08F2230/085
    • Provided are: a rubber composition a achieving balanced improvement in processability, fuel economy, rubber strength, abrasion resistance, wet-grip performance, and handling stability, and a pneumatic tire including the composition. Included is a rubber composition including a conjugated diene polymer and a silica having N2SA of 40-400 m2/g, the diene polymer being obtained by polymerizing a monomer component including a conjugated diene compound and a silicon-containing vinyl compound in the presence of a polymerization initiator of formula (I): to produce, a copolymer, and reacting a compound containing nitrogen and/or silicon atoms with an active terminal of the copolymer, wherein the amount of the diene polymer is 1-90% by mass and the amount of a polyisoprene-based rubber is 0-70% by mass, each per 100% by mass of the rubber component, and the amount of the silica is 10-150 parts by mass per 100 parts by mass of the rubber component.
    • 提供:橡胶组合物,其可加工性,燃料经济性,橡胶强度,耐磨性,湿抓地性能和操作稳定性的均衡提高,以及包含该组合物的充气轮胎。 包括具有共轭二烯聚合物和N 2 SA为40-400m 2 / g的二氧化硅的橡胶组合物,所述二烯聚合物通过在包含共轭二烯化合物和含硅乙烯基化合物的存在下聚合包含共轭二烯化合物和含硅乙烯基化合物而获得 式(I)的聚合引发剂:制备共聚物,并使含有氮和/或硅原子的化合物与共聚物的活性末端反应,其中二烯聚合物的量为1-90质量%,量 的聚异戊二烯类橡胶为0〜70质量%,相对于100质量%的橡胶成分,每100质量%的橡胶成分,二氧化硅的量为10〜150质量份。