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    POLYBUTADIENE AND RUBBER COMPOSITION AND TIRE BOTH CONTAINING THE SAME
    2.
    发明公开
    POLYBUTADIENE AND RUBBER COMPOSITION AND TIRE BOTH CONTAINING THE SAME 有权
    杜鹃花UNG IT UNG UNG UNG IT IT IT IT IT IT IT

    公开(公告)号：EP2154163A1

    公开(公告)日：2010-02-17

    申请号：EP08752951.7

    申请日：2008-05-19

    申请人： Bridgestone Corporation ,  JSR Corporation ,  Riken

    发明人： NAKAGAWA, Ryuji ,  MATSUSHITA, Junko ,  OZAWA, Yoichi ,  KAITA, Shojiro ,  TARDIF, Olivier

    IPC分类号： C08F136/06 ,  B60C1/00 ,  C08F4/54 ,  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 (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)x100 ≥ 99 and equation (III): Calculated value of vinyl bond = g / e + f + g ⁢ x 100 ≤ 0.

    摘要翻译： 本发明提供一种能够提高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的值为：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 = efg（其中a是通过傅立叶变换红外光谱（FT-IR）的透射光谱中的1130cm -1附近的山峰值，b 是约967cm -1处的谷峰值，c是围绕911cm -1的谷峰值，d是736cm -1附近的谷峰值）满足式（II）的关系：（顺式 -1,4键）= e /（e + f + g）×100‰¥99和等式（III）：乙烯基键的计算值= g / e + f + g ¢x 100‰¤0。

    AROMATIC VINYL COMPOUND-CONJUGATED DIENE COMPOUND COPOLYMER, METHOD FOR PRODUCING THE SAME, RUBBER COMPOSITION AND TIRE
    4.
    发明公开
    AROMATIC VINYL COMPOUND-CONJUGATED DIENE COMPOUND COPOLYMER, METHOD FOR PRODUCING THE SAME, RUBBER COMPOSITION AND TIRE 有权
    芳族乙烯基化合物共轭二烯共聚物组合，用于生产和橡胶组合物轮胎

    公开(公告)号：EP2284206A1

    公开(公告)日：2011-02-16

    申请号：EP09758407.2

    申请日：2009-06-04

    申请人： Bridgestone Corporation ,  JSR Corporation ,  Riken

    发明人： NAKAGAWA, Ryuji ,  MATSUSHITA, Junko ,  OZAWA, Yoichi ,  KAITA, Shojiro ,  TARDIF, Olivier

    IPC分类号： C08F236/10 ,  B60C1/00 ,  C08F4/54 ,  C08L9/06

    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 Cp R is independently a non-substituted or substituted indenyl, and R a to R f 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： 本发明涉及到芳族乙烯基化合物 - 共轭服务能够赋予优良的耐磨性和抗湿滑性的轮胎，并且更具体地涉及对由芳族乙烯基的加成聚合得到的芳香族乙烯基化合物 - 共轭服务化合物共聚物化合物共聚物 化合物和共轭用作化合物在聚合催化剂组合物，包括选自由下述通式（I）表示的金属茂配合物中的至少一种特定的金属茂配合物存在下：（worin M是镧系元素，钪或 钇，1和Cp R独立地为一种非substituiertem奥德substituiertem茚基，且R a至R f分别独立地为烷基组具有1-3个碳原子数或氢原子，L为中性路易斯碱，和w为 用于0-3整数）等，在共轭化合物部分worin顺式-1,4键的含量为不小于80％。

    RUBBER COMPOSITION AND TIRE USING THE SAME
    5.
    发明授权
    RUBBER COMPOSITION AND TIRE USING THE SAME 有权
    橡胶组合物轮胎

    公开(公告)号：EP2169002B1

    公开(公告)日：2012-04-04

    申请号：EP08777138.2

    申请日：2008-06-10

    申请人： Bridgestone Corporation

    发明人： MATSUSHITA, Junko ,  OZAWA, Yoichi ,  NAKAGAWA, Ryuji

    IPC分类号： C08L15/00 ,  B60C1/00 ,  C08K3/00 ,  C08L7/00

    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.

    RUBBER COMPOSITION AND TIRE USING THE SAME
    6.
    发明公开
    RUBBER COMPOSITION AND TIRE USING THE SAME 有权
    橡胶组合物和使用该组合物的轮胎

    公开(公告)号：EP2169002A1

    公开(公告)日：2010-03-31

    申请号：EP08777138.2

    申请日：2008-06-10

    申请人： Bridgestone Corporation

    发明人： MATSUSHITA, Junko ,  OZAWA, Yoichi ,  NAKAGAWA, Ryuji

    IPC分类号： C08L15/00 ,  B60C1/00 ,  C08K3/00 ,  C08L7/00

    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： 提供了一种橡胶组合物，其与常规橡胶组合物相比同时改善了低损耗因子和耐磨性，以及使用这种橡胶组合物的轮胎。 本发明在于使用改性的共轭二烯橡胶并且具有优异的低损耗系数和耐磨性的橡胶组合物以及轮胎。 本发明的橡胶组合物通过在含有（A）共轭二烯部分中的顺式键含量不小于87％且乙烯基键含量不大于（A）的改性共轭二烯橡胶 2％，并含有与填料反应的官能团和（B）每1分子未改性聚合物具有不小于0.6的改性官能团数的改性聚合物。

    BULK POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES
    8.
    发明公开
    BULK POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES 有权
    本体聚合用于生产聚二烯

    公开(公告)号：EP1706434A1

    公开(公告)日：2006-10-04

    申请号：EP04796617.1

    申请日：2004-10-26

    申请人： Bridgestone Corporation

    发明人： LUO, Steven ,  COLE, William ,  OZAWA, Yoichi

    IPC分类号： C08F36/04 ,  C08F4/54

    CPC分类号： C08F36/06 ,  C08F4/545

    摘要： A method of producing cis-1,4-polydienes, the method comprising the step of contacting conjugated diene monomer with a lanthanide-based catalyst system in the presence of less than 20 % by weight of organic solvent based on the total weight of monomer, organic solvent, and resulting polymer, where the lanthanide-based catalyst system is the combination of or reaction product of (a) a lanthanide compound, (b) an organoaluminum hydride, (c) a trihydrocarbylaluminum, and (d) a halogen-containing compound.