Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition
    1.
    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。

    Method for producing modified conjugated diene polymer, modified conjugated diene polymer, and rubber composition
    2.
    发明授权
    Method for producing modified conjugated diene polymer, modified conjugated diene polymer, and rubber composition 有权
    改性共轭二烯聚合物,改性共轭二烯聚合物和橡胶组合物的制备方法

    公开(公告)号:US08258241B2

    公开(公告)日:2012-09-04

    申请号:US12521331

    申请日:2007-12-27

    IPC分类号: C08F136/04 C08F4/14

    摘要: A method for producing a modified conjugated diene polymer includes a modification step (A) that subjects a conjugated diene polymer having a cis-1,4-bond content of 98.5% or more and possessing an active end to a modification reaction to introduce an alkoxysilane compound having two or more reactive groups including an alkoxysilyl group into the active end of the conjugated diene polymer, and a condensation step (B) that subjects the residue of the alkoxysilane compound introduced into the active end to a condensation reaction in the presence of a condensation catalyst that includes at least one element among the elements of the groups 4A, 2B, 3B, 4B, and 5B in the periodic table. The method can produce a modified conjugated diene polymer that exhibits low heat build-up and excellent wear resistance.

    摘要翻译: 改性共轭二烯系聚合物的制造方法包括使顺式-1,4-键含量为98.5%以上并具有活性末端的共轭二烯聚合物进行改性反应以引入烷氧基硅烷的改性步骤(A) 在共轭二烯聚合物的活性端中具有烷氧基甲硅烷基的具有两个以上的反应性基团的化合物和在引入活性末端的烷氧基硅烷化合物的残基在缩合反应存在下进行缩合步骤(B) 缩合催化剂,其包括周期表中的基团4A,2B,3B,4B和5B的元素中的至少一个元素。 该方法可以生产出显示低发热性和优异耐磨性的改性共轭二烯聚合物。

    RUBBER COMPOSITION AND PNEUMATIC TIRE
    3.
    发明申请
    RUBBER COMPOSITION AND PNEUMATIC TIRE 审中-公开
    橡胶组合物和气动轮胎

    公开(公告)号:US20110319519A1

    公开(公告)日:2011-12-29

    申请号:US13255156

    申请日:2010-03-11

    IPC分类号: C08L25/10 C08K3/04 C08K3/36

    摘要: A rubber composition from which a vulcanized rubber suitable for producing, for example, a pneumatic tire having excellent abrasion resistance, breaking strength, rolling resistance, wet skid resistance, and the like can be prepared. The rubber composition comprises a rubber component (A) comprising a diene rubber comprising 20 mass % or more of a modified styrene-butadiene copolymer (a1) and 5 mass % or more of a modified conjugated diene polymer (a2), and a filler (B), wherein the modified conjugated diene polymer (a2) is a conjugated diene polymer obtained by modifying the active terminals of a conjugated diene polymer having a cis-1,4 bond content of 80% or higher, with an alkoxysilane compound, and the filler (B) comprises at least either of 2 to 100 mass parts, relative to 100 mass parts of the rubber component (A), of carbon black (b1) and 30 to 100 mass parts, relative to 100 mass parts of the rubber component (A), of silica (b2).

    摘要翻译: 可以制备适合于制造具有优异的耐磨性,断裂强度,滚动阻力,抗湿滑性等的充气轮胎的硫化橡胶的橡胶组合物。 橡胶组合物包含橡胶组分(A),其包含二烯橡胶,其包含改性苯乙烯 - 丁二烯共聚物(a1)和20质量%以上的改性共轭二烯聚合物(a2)的20质量%以上,和填充剂 B),其中所述改性共轭二烯聚合物(a2)是通过用烷氧基硅烷化合物改性具有80%以上的顺式-1,4键含量的共轭二烯聚合物的活性末端而获得的共轭二烯聚合物, 相对于100质量份的橡胶成分,填料(B)相对于100质量份橡胶成分(A),炭黑(b1)和30〜100质量份至少包含2〜100质量份 (A),二氧化硅(b2)。

    Emulsion Composition
    5.
    发明申请
    Emulsion Composition 有权
    乳液成分

    公开(公告)号:US20080224088A1

    公开(公告)日:2008-09-18

    申请号:US10583874

    申请日:2004-12-14

    IPC分类号: H01G9/025 C08F2/32

    摘要: The present invention provides an emulsion composition which has been increased in sulfonic group content, yet has sufficient water resistance and has been enhanced in properties such as small resistance, film-forming property, etc. The emulsion composition contains (A) a water-based solvent, (B) an organic solvent, (C) a sulfonic group-containing polymer soluble in the component (A), and (D) a polymer soluble in the component (B) but insoluble in water. This emulsion composition is enhanced in small resistance and yet has sufficient water resistance and film-forming property.

    摘要翻译: 本发明提供了一种乳液组合物,其磺酸基含量增加,但具有足够的耐水性,并且在耐电阻性,成膜性等性能方面得到提高。乳液组合物含有(A)水性 溶剂,(B)有机溶剂,(C)可溶于组分(A)的含磺酸基聚合物,和(D)可溶于组分(B)但不溶于水的聚合物。 该乳液组合物的电阻小,耐水性和成膜性好。

    Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced
    6.
    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
    8.
    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。

    Method for producing modified conjugated diene polymer and rubber composition
    9.
    发明申请
    Method for producing modified conjugated diene polymer and rubber composition 有权
    改性共轭二烯聚合物和橡胶组合物的制备方法

    公开(公告)号:US20050009979A1

    公开(公告)日:2005-01-13

    申请号:US10849786

    申请日:2004-05-21

    摘要: Disclosed are a method for producing a modified conjugated diene polymer improved in quality stability, more enhanced in low heat buildup and reinforcing ability when used in a rubber composition, excellent in wear resistance, mechanical characteristics and processability, and improved in cold flow; and a rubber composition using the same. The method includes a step of modifying an active end of an active end-containing conjugated diene polymer having a cis-1,4-bond content of 75% or more with an alkoxysilane compound containing at least one functional group selected from the group consisting of (a) an epoxy group, (b) an isocyanate group and (c) a carboxyl group, and a step of adding a condensation accelerator to conduct condensation reaction of the alkoxysilane compound (residue) in an aqueous solution having a pH of 9 to 14 and a temperature of 85 to 180° C.

    摘要翻译: 公开了一种制备改性共轭二烯聚合物的方法,该改性共轭二烯聚合物在橡胶组合物中使用时质量稳定性提高,低发热性和增强能力提高,耐磨性,机械特性和加工性优异,冷流改善; 和使用其的橡胶组合物。 该方法包括使含有至少一个选自以下的官能团的烷氧基硅烷化合物改性具有75%以上的顺式-1,4-键含量的含活性端的共轭二烯聚合物的活性末端的步骤: (a)环氧基,(b)异氰酸酯基和(c)羧基,以及加入缩合促进剂以使烷氧基硅烷化合物(残基)在pH为9的水溶液中进行缩合反应的步骤, 14℃,温度为85〜180℃。

    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。