Butadiene-based polymer and method of producing the same as well as rubber composition and tire using the same
    1.
    发明授权
    Butadiene-based polymer and method of producing the same as well as rubber composition and tire using the same 有权
    丁二烯类聚合物及其制造方法以及橡胶组合物和使用其的轮胎

    公开(公告)号:US07691957B2

    公开(公告)日:2010-04-06

    申请号:US10562157

    申请日:2004-06-23

    摘要: This invention is concerned with a butadiene-based polymer having a high cis-1,4 bond content, a low vinyl bond content and a molecular weight distribution of a specified range, and more particularly a butadiene-based polymer having a 1,3-butadiene monomer unit, characterized in that a cis-1,4 bond content and a vinyl bond content in the 1,3-butadiene monomer unit as measured by a Fourier transform infrared spectroscopy (FT-IR) is not less than 98.0% and not more than 0.3%, respectively, and a ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) is 1.6-3.5.

    摘要翻译: 本发明涉及具有高顺式-1,4键含量,低乙烯基键含量和特定范围的分子量分布的丁二烯类聚合物,更具体地说,涉及具有1,3- 丁二烯单体单元,其特征在于,通过傅里叶变换红外光谱法(FT-IR)测定的1,3-丁二烯单体单元中的顺式-1,4键含量和乙烯基键含量不小于98.0% 分别大于0.3%,重均分子量(Mw)与数均分子量(Mn)的比(Mw / Mn)为1.6-3.5。

    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition
    2.
    发明授权
    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition 有权
    用于制备共轭二烯聚合物,共轭二烯聚合物和橡胶组合物的方法

    公开(公告)号:US08153723B2

    公开(公告)日:2012-04-10

    申请号:US12096263

    申请日:2006-12-05

    IPC分类号: C08L9/00 C08F4/44

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    Method for producing functionalized cis-1,4-polydienes having high cis-1,4-linkage content and high functionality
    3.
    发明授权
    Method for producing functionalized cis-1,4-polydienes having high cis-1,4-linkage content and high functionality 有权
    具有高顺式-1,4-键含量和高官能度的官能化顺式-1,4-聚二烯的方法

    公开(公告)号:US08017695B2

    公开(公告)日:2011-09-13

    申请号:US11964848

    申请日:2007-12-27

    IPC分类号: C08F8/00 C08F4/52 B60C5/00

    摘要: This invention relates to a method for producing functionalized cis-1,4-polydienes having a combination of a high cis-1,4-linkage content and a high functionality, the resulting polymers and the vulcanized products containing the polymers. The functionalized cis-1,4-polydienes of the present invention are produced by a method comprising the steps of: (1) preparing a reactive polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst 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 is the combination of or reaction product of (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a halogen-containing compound; and (2) contacting the reactive polymer with a functionalizing agent.

    摘要翻译: 本发明涉及具有高顺式-1,4-键含量和高官能度组合的官能化顺式-1,4-聚二烯的方法,所得聚合物和含有聚合物的硫化产物。 本发明的官能化顺式-1,4-聚二烯通过包括以下步骤的方法制备:(1)通过将共轭二烯单体与镧系元素基催化剂在少于20% 基于单体,有机溶剂和所得聚合物的总重量的有机溶剂的重量,其中镧系元素基催化剂是(a)镧系元素化合物,(b)铝氧烷,(c) 除铝氧烷以外的有机铝化合物,和(d)含卤素化合物; 和(2)使反应性聚合物与官能化剂接触。

    RUBBER COMPOSITION FOR TIRE SIDEWALL AND TIRE
    4.
    发明申请
    RUBBER COMPOSITION FOR TIRE SIDEWALL AND TIRE 有权
    轮胎胎面和轮胎橡胶组合物

    公开(公告)号:US20090203828A1

    公开(公告)日:2009-08-13

    申请号:US12279252

    申请日:2007-02-14

    IPC分类号: C08K3/04

    摘要: A rubber composition for tire sidewall which comprises a rubber component, which comprises polybutadiene rubber having a content of the cis-1,4-bond of 92% or greater and a content of the vinyl bond of 1.5% or smaller and natural rubber and/or at least one other diene-based synthetic rubber, and 10 to 70 parts by mass of carbon black having a specific surface area by nitrogen adsorption of 20 to 100 m2/g per 100 parts by mass of the rubber component and does not comprise a softener having an aniline point of 50° C. or lower and a tire using the rubber composition for sidewall. Excellent resistance to cut growth is obtained while sufficient workability is surely exhibited.

    摘要翻译: 一种轮胎侧壁用橡胶组合物,其包含橡胶成分,其包含顺式-1,4-键的含量为92%以上,乙烯基键含量为1.5%以下的聚丁二烯橡胶和天然橡胶和/ 或至少一种其它二烯类合成橡胶,以及相对于100质量份橡胶成分,通过氮吸附比例为10〜100m 2 / g的比表面积为10〜70质量份的炭黑,不包含 苯胺点为50℃以下的软化剂和使用该侧壁用橡胶组合物的轮胎。 获得良好的耐切割生长性,同时确保充分的加工性。

    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION
    5.
    发明申请
    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION 有权
    生产聚合二烯聚合物,共混二烯聚合物和橡胶组合物的方法

    公开(公告)号:US20120142851A1

    公开(公告)日:2012-06-07

    申请号:US13371780

    申请日:2012-02-13

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    MODIFIED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITIONS AND TIRES
    7.
    发明申请
    MODIFIED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITIONS AND TIRES 有权
    改性共混二烯共聚物,橡胶组合物和轮胎

    公开(公告)号:US20090292043A1

    公开(公告)日:2009-11-26

    申请号:US11911592

    申请日:2006-04-17

    摘要: The present invention provides a modified conjugated diene polymer that is prepared by polymerization of a conjugated diene compound using a catalyst containing a lanthanoid rare earth element compound in an organic solvent and then modifying the resulting polymer having an active organic metal site with a modifier, wherein the modification efficiency is not less than 15% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (I): cis-1,4 bond content≧98.00(%)  (I), or the modification efficiency is not less than 75% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (II): 94.00(%)≦cis-1,4 bond content

    摘要翻译: 本发明提供一种改性共轭二烯聚合物,其通过使用含有镧系稀土元素化合物的催化剂在有机溶剂中使共轭二烯化合物聚合,然后用改性剂改性所得到的具有活性有机金属部位的聚合物而制备,其中 改性效率不低于15%,通过傅里叶变换红外光谱测量的共轭二烯部分中的顺式-1,4键含量满足关系式(I):顺式-1,4键含量> = 98.00(%)( I),或者通过傅里叶变换红外光谱测定的共轭二烯部分中的顺式-1,4键含量满足关系式(II):94.00(%)<=顺式-1, 4键含量本发明还提供含有改性共轭二烯聚合物的橡胶组合物,并赋予轮胎低发热,令人满意的破坏特性和高耐磨性, 以及由橡胶组合物构成的轮胎,具有这些特性。

    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION
    8.
    发明申请
    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION 有权
    生产聚合二烯聚合物,共混二烯聚合物和橡胶组合物的方法

    公开(公告)号:US20090247695A1

    公开(公告)日:2009-10-01

    申请号:US12096263

    申请日:2006-12-05

    IPC分类号: C08L9/00 C08F2/00 C08F4/12

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition
    9.
    发明授权
    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition 有权
    用于制备共轭二烯聚合物,共轭二烯聚合物和橡胶组合物的方法

    公开(公告)号:US08557915B2

    公开(公告)日:2013-10-15

    申请号:US13371780

    申请日:2012-02-13

    IPC分类号: C08L9/00 C08F4/06

    摘要: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.

    摘要翻译: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤,其中顺式-1,4-键含量为98.5质量%以上的共轭二烯聚合物和重均分子量(Mw)与数均分子量(Mw)的比率(Mw / Mn) 通过凝胶渗透色谱法测定的重量(Mn)为2.5以下,通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应, 路易斯碱,铝氧烷和/或有机铝化合物,以及含碘化合物。

    Rubber composition for tire sidewall and tire
    10.
    发明授权
    Rubber composition for tire sidewall and tire 有权
    轮胎侧壁和轮胎用橡胶组合物

    公开(公告)号:US08299184B2

    公开(公告)日:2012-10-30

    申请号:US12279252

    申请日:2007-02-14

    摘要: A rubber composition for tire sidewall which comprises a rubber component, which comprises polybutadiene rubber having a content of the cis-1,4-bond of 92% or greater and a content of the vinyl bond of 1.5% or smaller and natural rubber and/or at least one other diene-based synthetic rubber, and 10 to 70 parts by mass of carbon black having a specific surface area by nitrogen adsorption of 20 to 100 m2/g per 100 parts by mass of the rubber component and does not comprise a softener having an aniline point of 50° C. or lower and a tire using the rubber composition for sidewall. Excellent resistance to cut growth is obtained while sufficient workability is surely exhibited.

    摘要翻译: 一种轮胎侧壁用橡胶组合物,其包含橡胶成分,其包含顺式-1,4-键的含量为92%以上,乙烯基键含量为1.5%以下的聚丁二烯橡胶和天然橡胶和/ 或至少一种其它二烯类合成橡胶,以及相对于100质量份橡胶成分,通过氮吸附比例为10〜100m 2 / g的比表面积为10〜70质量份的炭黑,不包含 苯胺点为50℃以下的软化剂和使用该侧壁用橡胶组合物的轮胎。 获得良好的耐切割生长性,同时确保充分的加工性。