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    • 2. 发明授权
    • Rubber composition and pneumatic tire
    • 橡胶组合物和充气轮胎
    • US09139719B2
    • 2015-09-22
    • US13702245
    • 2011-07-22
    • Yuko HinoharaKazuyuki NishiokaTakahiro Mabuchi
    • Yuko HinoharaKazuyuki NishiokaTakahiro Mabuchi
    • C08L9/06C08K3/36B60C1/00
    • C08L9/06B60C1/0016C08K3/36Y02T10/862C08L15/00
    • The present invention provides a rubber composition that achieves a well-balanced improvement in fuel economy, wet-grip performance, and abrasion resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition, including a rubber component and silica, wherein the rubber component contains not less than 5% by mass of a conjugated diene polymer, based on 100% by mass of the rubber component, the conjugated diene polymer containing a constituent unit derived from a conjugated diene and a constituent unit represented by the following formula (I): at least one terminal of the conjugated diene polymer being modified by a compound containing a group represented by the following formula (II): and wherein the silica is contained in an amount of 5 to 150 parts by mass per 100 parts by mass of the rubber component.
    • 本发明提供一种能够均衡地提高燃料经济性,湿抓地性能和耐磨性的橡胶组合物,以及由橡胶组合物形成的充气轮胎。 本发明涉及一种橡胶组合物,包括橡胶组分和二氧化硅,其中橡胶组分含有不少于5质量%的共轭二烯聚合物,基于100质量%的橡胶组分,所述共轭二烯聚合物含有 衍生自共轭二烯的结构单元和由下式(I)表示的构成单元:共轭二烯聚合物的至少一个末端被含有下式(II)表示的基团的化合物修饰:其中, 相对于100质量份橡胶成分,二氧化硅的含量为5〜150质量份。
    • 3. 发明申请
    • RUBBER COMPOSITION AND PNEUMATIC TIRE
    • 橡胶组合物和气动轮胎
    • US20130090422A1
    • 2013-04-11
    • US13702245
    • 2011-07-22
    • Yuko HinoharaKazuyuki NishiokaTakahiro Mabuchi
    • Yuko HinoharaKazuyuki NishiokaTakahiro Mabuchi
    • C08L9/06C08K3/36
    • C08L9/06B60C1/0016C08K3/36Y02T10/862C08L15/00
    • The present invention provides a rubber composition that achieves a well-balanced improvement in fuel economy, wet-grip performance, and abrasion resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition, including a rubber component and silica, wherein the rubber component contains not less than 5% by mass of a conjugated diene polymer, based on 100% by mass of the rubber component, the conjugated diene polymer containing a constituent unit derived from a conjugated diene and a constituent unit represented by the following formula (I): at least one terminal of the conjugated diene polymer being modified by a compound containing a group represented by the following formula (II): and wherein the silica is contained in an amount of 5 to 150 parts by mass per 100 parts by mass of the rubber component.
    • 本发明提供一种能够均衡地提高燃料经济性,湿抓地性能和耐磨性的橡胶组合物,以及由橡胶组合物形成的充气轮胎。 本发明涉及一种橡胶组合物,包括橡胶组分和二氧化硅,其中橡胶组分含有不少于5质量%的共轭二烯聚合物,基于100质量%的橡胶组分,所述共轭二烯聚合物含有 衍生自共轭二烯的结构单元和由下式(I)表示的构成单元:共轭二烯聚合物的至少一个末端被含有下式(II)表示的基团的化合物修饰:其中, 相对于100质量份橡胶成分,二氧化硅的含量为5〜150质量份。
    • 6. 发明申请
    • DIENE POLYMER AND PRODUCTION METHOD THEREOF
    • 二烯聚合物及其生产方法
    • US20120264898A1
    • 2012-10-18
    • US13445175
    • 2012-04-12
    • Satoru INOUEKazuyuki Nishioka
    • Satoru INOUEKazuyuki Nishioka
    • C08F236/06C08G61/00
    • B60C1/00C08F236/04C08F236/045C08F236/06C08F236/08C08F236/10C08F2/22C08F2/38
    • The present invention provides a diene polymer in which a polar functional group is introduced into an end by radical polymerization, and its production method; a polymer emulsion and a rubber composition each containing the diene polymer; and a pneumatic tire containing the rubber composition. The present invention relates to a diene polymer, which is obtained by radical polymerization of at least one radical polymerizable monomer in the presence of at least one polar functional group-containing thiol compound, and has a polar functional group at at least one end: The polar functional group-containing thiol compound is preferably represented by formula (1): X—R1—SH   (1) wherein X represents an ester group, a hydroxyl group, a carboxyl group, an amino group, or an alkoxysilyl group, and R1 represents an alkylene or arylene group which may have a substituent.
    • 本发明提供一种通过自由基聚合将极性官能团引入末端的二烯聚合物及其制备方法; 各自含有二烯聚合物的聚合物乳液和橡胶组合物; 以及含有橡胶组合物的充气轮胎。 二烯聚合物本发明涉及一种二烯聚合物,其通过在至少一种含极性官能团的硫醇化合物存在下由至少一种可自由基聚合的单体进行自由基聚合而获得,并且在至少一端具有极性官能团: 含有极性官能团的硫醇化合物优选由式(1)表示:X-R1-SH(1)其中X表示酯基,羟基,羧基,氨基或烷氧基甲硅烷基,R1 表示可以具有取代基的亚烷基或亚芳基。