Conjugated diene polymer and rubber composition
    5.
    发明授权
    Conjugated diene polymer and rubber composition 有权
    共轭二烯聚合物和橡胶组合物

    公开(公告)号:US06747085B2

    公开(公告)日:2004-06-08

    申请号:US10253933

    申请日:2002-09-25

    IPC分类号: C08K336

    摘要: A conjugated diene polymer is produced by continuously polymerizing a conjugated diene monomer with a catalyst consisting essentially of specified components (a) to (c) and reacting with at least one of specified components (d) and (e) and has a content of cis-1,4-bond of not less than 85%, a content of 1,2-vinyl bond of not more than 2.0% and a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) of not more than 5, and contains at least one functional group selected from epoxy group and hydroxyl group in its molecule. And also, a rubber composition comprises 10-200 parts by weight of silica based on 100 parts by weight of rubber ingredient consisting of 10-100% by weight of the above conjugated diene polymer and 90-0% by weight of the other diene polymer or natural rubber.

    摘要翻译: 共轭二烯聚合物通过使共轭二烯单体与基本上由特定组分(a)至(c)组成的催化剂连续聚合并与特定组分(d)和(e)中的至少一种反应并且具有顺式 -1,4-键不小于85%,1,2-乙烯基键含量不大于2.0%,重均分子量(Mw)与数均分子量(Mn)之比不大于 并且在其分子中含有至少一个选自环氧基和羟基的官能团。 此外,橡胶组合物包含10-200重量份的二氧化硅,基于100重量份的由10-100重量%的上述共轭二烯聚合物组成的橡胶组分和90重量%的其它二烯聚合物 或天然橡胶。

    Method of producing conjugated diene polymers
    6.
    发明授权
    Method of producing conjugated diene polymers 有权
    共轭二烯聚合物的制备方法

    公开(公告)号:US06255416B1

    公开(公告)日:2001-07-03

    申请号:US09305260

    申请日:1999-05-04

    IPC分类号: C08F462

    CPC分类号: C08F4/545 C08F36/04

    摘要: A conjugated diene polymer is obtained by using a specified catalyst system consisting of components (a)-(d) and indicating a high polymerization activity to a conjugated diene compound. Further, a modified conjugated diene polymer is obtained by reacting with at least one specified compound selected from the group consisting of components (e)-(j).

    摘要翻译: 通过使用由组分(a) - (d)组成的特定催化剂体系并且表示对共轭二烯化合物具有高聚合活性的共轭二烯聚合物。 此外,通过与至少一种选自组分(e) - (j)的指定化合物反应获得改性共轭二烯聚合物。

    Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced
    7.
    发明授权
    Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced 有权
    生产具有窄分子量分布的共轭二烯聚合物和聚合物的方法

    公开(公告)号:US07294680B2

    公开(公告)日:2007-11-13

    申请号:US10759299

    申请日:2004-01-20

    CPC分类号: C08C19/00 C08F36/04 C08F4/545

    摘要: Conjugated diene polymers having good wear resistance, mechanical properties, storage stability, processability and a reduced cold flow are produced by polymerizing a conjugated diene compound with a catalyst of rare earth element compound, a compound containing at least one halogen atom, an aluminoxane, and an organoaluminum compound in an organic solvent and reacting the resulting polymer just after the polymerization with at least one compound selected from the group consisting of a halogenated organometallic compound, a halogenated metal compound, an organometallic compound, a heterocumulene compound, a hetero three-membered-ring containing compound, a halogenated isocyano compound, a carboxylic acid, an acid halide, an ester compound, a carbonic ester compound, an acid anhydride and a metal salt of a carboxylic acid as a modifying agent.

    摘要翻译: 通过使共轭二烯化合物与稀土元素化合物的催化剂,含有至少一个卤素原子的化合物,铝氧烷和/或其混合物共聚而形成具有良好的耐磨性,机械性能,储存稳定性,加工性和降低的冷流的共轭二烯聚合物 在有机溶剂中的有机铝化合物,使刚刚聚合后的所得聚合物与选自卤代有机金属化合物,卤化金属化合物,有机金属化合物,异葎草烯化合物,杂三元醇的至少一种化合物反应 卤化异氰化合物,羧酸,酰卤,酯化合物,碳酸酯化合物,酸酐和作为改性剂的羧酸金属盐。

    Modified polymers prepared with lanthanide-based catalysts
    9.
    发明授权
    Modified polymers prepared with lanthanide-based catalysts 有权
    用镧系元素催化剂制备的改性聚合物

    公开(公告)号:US06992147B1

    公开(公告)日:2006-01-31

    申请号:US10296084

    申请日:2000-11-10

    IPC分类号: C08C19/00 C08F8/00

    摘要: A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) where A is a substituent that will undergo an addition reaction with a pseudo-living polymer, R1 is a divalent organic group, R2 is a monovalent organic group, and each R4, which may be the same or different, is a monovalent organic group or a substituent defined by —OR5 where R5 is a monovalent organic group, with the proviso that A, R1, R2, R4, and R5 are substituents that will not protonate a pseudo-living polymer. Also, the functionalized polymer and a vulcanizable composition containing the polymer.

    摘要翻译: 一种制备官能化聚合物的方法,包括以下步骤:通过使共轭二烯单体与镧系元素基催化剂聚合制备假活性聚合物,并使假活性聚合物与至少一种由式(I)定义的官能化试剂反应,其中 A是将与假活性聚合物进行加成反应的取代基,R 1是二价有机基团,R 2是一价有机基团,并且每个R 可以相同或不同的一价有机基团或由-OR 5定义的取代基,其中R 5是一价 有机基团,条件是A,R 1,R 2,R 4和R 5都是 不会将假活性聚合物质子化的取代基。 此外,官能化聚合物和含有聚合物的可硫化组合物。

    Rubber composition for solid golf ball and solid golf ball
    10.
    发明授权
    Rubber composition for solid golf ball and solid golf ball 有权
    固体高尔夫球和固体高尔夫球的橡胶组合物

    公开(公告)号:US06194505B1

    公开(公告)日:2001-02-27

    申请号:US09201653

    申请日:1998-12-01

    IPC分类号: A63B3706

    摘要: A rubber composition for solid golf balls comprising: (a) 50 to 100 parts by weight of a polybutadiene rubber with a 1,4-cis bond content of 80% or more, a 1,2-vinyl bond content of 2.0% or less, and a ratio (Mw/Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) of 3.5 or less, (b) 0 to 50 parts by weight of a diene-type rubber other than the component(a), provided that the total amount of the component (a) and component (b) is 100 parts by weight, (c) 10 to 50 parts by weight of a cross-linking monomer, (d) 20 to 80 part by weight of inorganic filler, and (e) an effective amount of an organic peroxide. The solid golf balls prepared from the rubber composition provide a good shot feeling, run a long distance, and exhibit superior durability.

    摘要翻译: 一种固体高尔夫球用橡胶组合物,其特征在于,包括:(a)50〜100重量份的1,4-顺式键合含量为80%以上的聚丁二烯橡胶,2.0%以下的1,2-乙烯基键含量 ,重均分子量(Mw)和数均分子量(Mn)的比(Mw / Mn)为3.5以下,(b)0〜50重量份除二烯类橡胶以外的二烯系橡胶 组分(a),条件是组分(a)和组分(b)的总量为100重量份,(c)10至50重量份的交联单体,(d)20至80份 的无机填料,和(e)有效量的有机过氧化物。 由橡胶组合物制成的固体高尔夫球提供良好的拍摄感觉,运行长距离并且表现出优异的耐久性。