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    • 9. 发明申请
    • RUBBER COMPOSITION
    • 橡胶组合物
    • US20140142235A1
    • 2014-05-22
    • US14114252
    • 2012-04-27
    • Satoshi HorieTakaaki Igarashi
    • Satoshi HorieTakaaki Igarashi
    • C08K3/36C08K5/548
    • C08K3/36B60C1/0016C08K3/04C08K5/548C08L9/06C08L19/006C08L21/00
    • The present invention provides a rubber composition containing: (A) a rubber component containing from 90 to 100% by mass of at least one kind of diene rubber synthesized by solution polymerization and from 0 to 10% by mass of another kind of diene rubber; (B) silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of 140 m2/g or more and less than 180 m2/g measured according to a method described in ASTM D3765-92; (C) at least one silane coupling agent selected from a polysulfide compound and a thioester compound; and (D) a vulcanization accelerator, the rubber composition after vulcanization having an average aggregated aggregate area (nm2) of the silica of 2,200 or less, and thus provides a rubber composition that is improved in low-heat-generation property.
    • 本发明提供一种橡胶组合物,其含有:(A)含有90〜100质量%的通过溶液聚合合成的至少一种二烯系橡胶和0〜10质量%的其他二烯系橡胶的橡胶成分; (B)根据ASTM D3765-92中描述的方法测量的具有140m 2 / g以上且小于180m 2 / g的正十六烷基三甲基溴化铵(CTAB)吸附比表面积的二氧化硅; (C)选自多硫化物化合物和硫酯化合物的至少一种硅烷偶联剂; 和(D)硫化促进剂,硫化后的橡胶组合物的二氧化硅的平均凝集聚集面积(nm2)为2200以下,由此提供低发热性提高的橡胶组合物。
    • 10. 发明申请
    • RUBBER COMPOSITION
    • 橡胶组合物
    • US20140051792A1
    • 2014-02-20
    • US14113499
    • 2012-04-27
    • Satoshi HorieTakaaki Igarashi
    • Satoshi HorieTakaaki Igarashi
    • C08K3/36C08K5/548C08K13/02C08K5/31
    • C08K13/02C08K3/04C08K3/36C08K5/31C08K5/548C08L9/00C08L21/00
    • The present invention provides a rubber composition containing: (A) a rubber component containing from 90 to 100% by mass of at least one kind of diene rubber synthesized by solution polymerization and from 0 to 10% by mass of another kind of diene rubber; (B) a silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of 180 m2/g or more measured according to a method described in ASTM D3765-92; (C) at least one silane coupling agent selected from a polysulfide compound and a thioester compound; and (D) a vulcanization accelerator, the rubber composition after vulcanization having an average aggregated aggregate area (nm2) of the silica of 1,700 or less, and thus provides a rubber composition that is improved in low-heat-generation property.
    • 本发明提供一种橡胶组合物,其含有:(A)含有90〜100质量%的通过溶液聚合合成的至少一种二烯系橡胶和0〜10质量%的其他二烯系橡胶的橡胶成分; (B)根据ASTM D3765-92中记载的方法测定的具有正十六烷基三甲基溴化铵(CTAB)吸附比表面积为180m 2 / g以上的二氧化硅; (C)选自多硫化物化合物和硫酯化合物的至少一种硅烷偶联剂; 和(D)硫化促进剂,硫化后的橡胶组合物的二氧化硅的平均凝集聚集面积(nm2)为1700以下,由此提供了低发热性提高的橡胶组合物。