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    Rubber composition and tire using the same
    2.
    发明授权
    Rubber composition and tire using the same 有权
    橡胶组合物和轮胎使用相同

    公开(公告)号：US08232352B2

    公开(公告)日：2012-07-31

    申请号：US12664013

    申请日：2008-06-10

    申请人： Junko Matsushita ,  Yoichi Ozawa ,  Ryuji Nakagawa

    发明人： Junko Matsushita ,  Yoichi Ozawa ,  Ryuji Nakagawa

    IPC分类号： C08L9/00 ,  C08L9/06

    CPC分类号： B60C1/0025 ,  B60C1/0016 ,  B60C2015/0614 ,  C08C19/44 ,  C08K3/013 ,  C08L7/00 ,  C08L15/00 ,  Y10T152/10495 ,  C08L2666/08

    摘要： There are provided a rubber composition simultaneously improving low loss factor and wear resistance as compared with the conventional ones as well as a tire using such a rubber composition.The invention lies in a rubber composition using a modified conjugated diene rubber and being excellent in the low loss factor and wear resistance as well as a tire. The rubber composition of the invention is formed by compounding a filler to a rubber component containing (A) a modified conjugated diene rubber having a cis-bond content in conjugated diene portion of not less than 87% and a vinyl bond content of not more than 2% and containing a functional group reactive with a filler and (B) a modified polymer having a modifying functional group number per 1 molecule of an unmodified polymer of not less than 0.6.

    摘要翻译： 提供与常规橡胶组合物相比同时改善低损耗因数和耐磨性的橡胶组合物以及使用这种橡胶组合物的轮胎。 本发明在于使用改性共轭二烯橡胶的橡胶组合物，低损耗因子和耐磨性以及轮胎性能优异。 本发明的橡胶组合物是通过将填料与含有（A）共轭二烯部分中的顺式键含量不低于87％的改性共轭二烯橡胶和乙烯基键含量不大于 2％，含有与填料反应的官能团，（B）每1分子未改性聚合物的修饰官能团数为0.6以上的改性聚合物。

    AROMATIC VINYL COMPOUND-CONJUGATED DIENE COMPOUND COPOLYMER AND METHOD OF PRODUCING THE SAME AS WELL AS RUBBER COMPOSITION AND TIRE
    3.
    发明申请
    AROMATIC VINYL COMPOUND-CONJUGATED DIENE COMPOUND COPOLYMER AND METHOD OF PRODUCING THE SAME AS WELL AS RUBBER COMPOSITION AND TIRE 有权
    芳香族乙烯基化合物二烯化合物共聚物及其制备方法如橡胶组合物和轮胎

    公开(公告)号：US20110136995A1

    公开(公告)日：2011-06-09

    申请号：US12996252

    申请日：2009-06-04

    申请人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    发明人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    IPC分类号： C08F4/72

    CPC分类号： B60C1/00 ,  B60C1/0016 ,  C08F236/10 ,  C08K3/04 ,  C08L9/06 ,  C08F4/52

    摘要： This invention relates to an aromatic vinyl compound-conjugated diene compound copolymer capable of giving excellent wear resistance and resistance to wet skid to a tire, and more particularly to an aromatic vinyl compound-conjugated diene compound copolymer obtained by an addition polymerization of an aromatic vinyl compound and a conjugated diene compound in the presence of a polymerization catalyst composition comprising at least one specified metallocene complex selected from the group consisting of a metallocene complex represented by the following general formula (I): (wherein M is a lanthanoid element, scandium or yttrium, and CpR is independently a non-substituted or substituted indenyl, and Ra to Rf are independently an alkyl group having a carbon number of 1-3 or a hydrogen atom, and L is a neutral Lewis base, and w is an integer of 0-3) and so on, wherein a content of cis-1,4 bond in a conjugated diene compound portion is not less than 80%.

    摘要翻译： 本发明涉及能够赋予轮胎优异的耐磨性和耐湿滑性的芳香族乙烯基化合物 - 共轭二烯化合物共聚物，更具体地说，涉及通过芳香族乙烯基加成聚合得到的芳族乙烯基化合物 - 共轭二烯化合物共聚物 化合物和共轭二烯化合物，所述聚合催化剂组合物包含至少一种选自由以下通式（I）表示的茂金属络合物的茂金属络合物：（其中M是镧系元素，钪或 钇和CpR独立地为非取代或取代的茚基，Ra至Rf独立地为碳数为1-3的烷基或氢原子，L为中性路易斯碱，w为 0-3）等，其中共轭二烯化合物部分中顺式-1,4键的含量不小于80％。

    RUBBER COMPOSITION AND TIRE USING THE SAME
    4.
    发明申请
    RUBBER COMPOSITION AND TIRE USING THE SAME 有权
    橡胶组合物和轮胎使用相同

    公开(公告)号：US20100218871A1

    公开(公告)日：2010-09-02

    申请号：US12664013

    申请日：2008-06-10

    申请人： Junko Matsushita ,  Yoichi Ozawa ,  Ryuji Nakagawa

    发明人： Junko Matsushita ,  Yoichi Ozawa ,  Ryuji Nakagawa

    IPC分类号： B60C5/00 ,  C08L9/00 ,  C08L9/06

    CPC分类号： B60C1/0025 ,  B60C1/0016 ,  B60C2015/0614 ,  C08C19/44 ,  C08K3/013 ,  C08L7/00 ,  C08L15/00 ,  Y10T152/10495 ,  C08L2666/08

    摘要： There are provided a rubber composition simultaneously improving low loss factor and wear resistance as compared with the conventional ones as well as a tire using such a rubber composition.The invention lies in a rubber composition using a modified conjugated diene rubber and being excellent in the low loss factor and wear resistance as well as a tire. The rubber composition of the invention is formed by compounding a filler to a rubber component containing (A) a modified conjugated diene rubber having a cis-bond content in conjugated diene portion of not less than 87% and a vinyl bond content of not more than 2% and containing a functional group reactive with a filler and (B) a modified polymer having a modifying functional group number per 1 molecule of an unmodified polymer of not less than 0.6.

    摘要翻译： 提供与常规橡胶组合物相比同时改善低损耗因数和耐磨性的橡胶组合物以及使用这种橡胶组合物的轮胎。 本发明在于使用改性共轭二烯橡胶的橡胶组合物，低损耗因子和耐磨性以及轮胎性能优异。 本发明的橡胶组合物是通过将填料与含有（A）共轭二烯部分中的顺式键含量不低于87％的改性共轭二烯橡胶和乙烯基键含量不大于 2％，含有与填料反应的官能团，（B）每1分子未改性聚合物的修饰官能团数为0.6以上的改性聚合物。

    Polybutadiene as well as rubber composition using the same and tire
    6.
    发明授权
    Polybutadiene as well as rubber composition using the same and tire 有权
    聚丁二烯以及使用相同和轮胎的橡胶组合物

    公开(公告)号：US07919571B2

    公开(公告)日：2011-04-05

    申请号：US12601364

    申请日：2008-05-19

    申请人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    发明人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    IPC分类号： C08F136/06 ,  C08F4/52 ,  C08L9/00

    CPC分类号： C08L9/00 ,  B60C1/0016 ,  C08F36/04 ,  Y10S152/905 ,  Y10T152/10495 ,  C08F4/54

    摘要： This invention provides a polybutadiene capable of improving wear resistance and resistance to crack growth in a rubber composition and a tire, wherein values of e, f and g derived from the following determinant (I): ( 1.7455 0 - 0.0151 - 0.0454 0.4292 - 0.0129 - 0.007 0 0.3746 ) ⁢ ( log 10 ⁡ ( a / d ) log 10 ⁡ ( a / b ) log 10 ⁡ ( a / c ) ) = ( e f g ) ( I ) (wherein a is a mountain peak value around 1130 cm−1 in a transmittance spectrum through Fourier transform infrared spectroscopy (FT-IR), and b is a valley peak value around 967 cm−1, and c is a valley peak value around 911 cm−1, and d is a valley peak value around 736 cm−1) satisfy relationships of equation (II): (Calculated value of cis-1,4 bond)=e/(e+f+g)×100≧99 and equation (III): (Calculated value of vinyl bond)=g/(e+f+g)×100≦0.

    摘要翻译： 本发明提供一种能够改善橡胶组合物和轮胎中的耐磨性和抗裂纹生长性的聚丁二烯，其中衍生自以下决定基（I）的e，f和g的值：（1.7455-0.0151-0.0454±0.4292-0.0129 - 0.007 0 0.3746）（log 10⁡（a / d）log 10⁡（a / b）log 10⁡（a / c））=（efg）（I）（其中a为1130cm左右的山峰值 -1，傅立叶变换红外光谱（FT-IR）为透射光谱，b为967cm -1左右的谷峰值，c为911cm -1附近的谷峰值，d为谷峰值 约736厘米-1）满足式（II）的关系：（顺式-1,4-键的计算值）= e /（e + f + g）×100≧99和式（III）:(乙烯基的计算值 键）= g /（e + f + g）×100＆nlE; 0。

    Aromatic vinyl compound-conjugated diene compound copolymer and method of producing the same as well as rubber composition and tire
    7.
    发明授权
    Aromatic vinyl compound-conjugated diene compound copolymer and method of producing the same as well as rubber composition and tire 有权
    芳族乙烯基化合物 - 共轭二烯化合物共聚物及其制备方法以及橡胶组合物和轮胎

    公开(公告)号：US08507627B2

    公开(公告)日：2013-08-13

    申请号：US12996252

    申请日：2009-06-04

    申请人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    发明人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

    IPC分类号： C08F4/52

    CPC分类号： B60C1/00 ,  B60C1/0016 ,  C08F236/10 ,  C08K3/04 ,  C08L9/06 ,  C08F4/52

    摘要： This invention relates to an aromatic vinyl compound-conjugated diene compound copolymer capable of giving excellent wear resistance and resistance to wet skid to a tire, and more particularly to an aromatic vinyl compound-conjugated diene compound copolymer obtained by an addition polymerization of an aromatic vinyl compound and a conjugated diene compound in the presence of a polymerization catalyst composition comprising at least one specified metallocene complex selected from the group consisting of a metallocene complex represented by the following general formula (I): (wherein M is a lanthanoid element, scandium or yttrium, and CpR is independently a non-substituted or substituted indenyl, and Ra to Rf are independently an alkyl group having a carbon number of 1-3 or a hydrogen atom, and L is a neutral Lewis base, and w is an integer of 0-3) and so on, wherein a content of cis-1,4 bond in a conjugated diene compound portion is not less than 80%.

    摘要翻译： 本发明涉及能够赋予轮胎优异的耐磨性和耐湿滑性的芳香族乙烯基化合物 - 共轭二烯化合物共聚物，更具体地说，涉及通过芳香族乙烯基加成聚合得到的芳族乙烯基化合物 - 共轭二烯化合物共聚物 化合物和共轭二烯化合物，所述聚合催化剂组合物包含至少一种选自由以下通式（I）表示的茂金属络合物的茂金属络合物：（其中M是镧系元素，钪或 钇和CpR独立地为非取代或取代的茚基，Ra至Rf独立地为碳数为1-3的烷基或氢原子，L为中性路易斯碱，w为 0-3）等，其中共轭二烯化合物部分中顺式-1,4键的含量不小于80％。