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:US08153723B2

    公开(公告)日:2012-04-10

    申请号:US12096263

    申请日:2006-12-05

    CPC classification number: C08L9/00 C08F36/04 C08K3/013 C08F4/545

    Abstract: 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.

    Abstract translation: 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 MODIFIED CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION
    3.
    发明申请
    METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION 有权
    生产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方法

    公开(公告)号:US20100105827A1

    公开(公告)日:2010-04-29

    申请号:US12521124

    申请日:2007-12-27

    Abstract: A method for producing a modified conjugated diene polymer includes a step (A) carrying out a primary modification reaction that reacts a heterocumulene compound having two or more specific functional groups with a conjugated diene polymer having a vinyl content of below 10% and a cis-1,4-bond content of 75% or more and possessing an active end to obtain a primary-modified conjugated diene polymer, and a step (B) carrying out a secondary modification reaction that reacts an active hydrogen-containing compound that includes one or more functional groups selected from the group consisting of an amino group, an imino group, a mercapto group, and a hydroxyl group with the primary-modified conjugated diene polymer to obtain a secondary-modified conjugated diene polymer. The method can produce a modified conjugated diene polymer that exhibits low heat build-up (low fuel consumption) and excellent wear resistance.

    Abstract translation: 改性共轭二烯系聚合物的制造方法包括:使具有2个以上的特定官能团的异葎草类化合物与乙烯基含量低于10%的共轭二烯系聚合物进行一次改性反应的步骤(A) 1,4-键含量为75%以上,具有活性末端以获得一次改性共轭二烯聚合物,和进行二次改性反应的步骤(B),其使含有活性氢的化合物反应,所述活性含氢化合物包括一个或多个 更多的选自氨基,亚氨基,巯基和羟基的官能团与初级改性共轭二烯聚合物反应,得到二次改性共轭二烯聚合物。 该方法可以生产出低发热(低燃料消耗)和优异的耐磨性的改性共轭二烯聚合物。

    Process for producing modified polymer, modified polymer obtained by the process, and rubber composition thereof
    4.
    发明授权
    Process for producing modified polymer, modified polymer obtained by the process, and rubber composition thereof 有权
    用于制备改性聚合物的方法,通过该方法得到的改性聚合物及其橡胶组合物

    公开(公告)号:US07700686B2

    公开(公告)日:2010-04-20

    申请号:US11908502

    申请日:2006-03-17

    Abstract: A process for producing a modified polymer which increases low heat buildup and reinforcing capability of a rubber composition and which has excellent abrasion resistance, mechanical characteristics, and processability; a modified polymer obtained by the process; and a rubber composition using the modified polymer are provided. The process comprises a step of carrying out a modification reaction on the active end of a conjugated diene polymer having a vinyl content of below 10%, a cis-1,4 bond content of 75% or higher, and an active end, using an alkoxysilane compound, and a step of carrying out a condensation reaction in the presence of a condensation accelerator comprising a compound of an element belonging to at least one of the groups 4A (excluding Ti), 2B, 3B, and 5B of the periodic table.

    Abstract translation: 一种生产改性聚合物的方法,其增加橡胶组合物的低发热性和增强能力,并且具有优异的耐磨性,机械性能和加工性能; 通过该方法获得的改性聚合物; 并提供使用该改性聚合物的橡胶组合物。 该方法包括使用乙烯基含量低于10%,顺式-1,4键含量为75%以上的共轭二烯聚合物的活性端和活性末端进行改性反应的步骤,使用 烷氧基硅烷化合物和在包含元素化合物的缩合促进剂的存在下进行缩合反应的步骤,所述缩合促进剂包含属于周期表的4A族(不包括Ti),2B,3B和5B中的至少一种的元素。

    Method for producing modified conjugated diene polymer, modified conjugated diene polymer, and rubber composition
    6.
    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:US08404785B2

    公开(公告)日:2013-03-26

    申请号:US12521124

    申请日:2007-12-27

    Abstract: A method for producing a modified conjugated diene polymer includes a step (A) carrying out a primary modification reaction that reacts a heterocumulene compound having two or more specific functional groups with a conjugated diene polymer having a vinyl content of below 10% and a cis-1,4-bond content of 75% or more and possessing an active end to obtain a primary-modified conjugated diene polymer, and a step (B) carrying out a secondary modification reaction that reacts an active hydrogen-containing compound that includes one or more functional groups selected from the group consisting of an amino group, an imino group, a mercapto group, and a hydroxyl group with the primary-modified conjugated diene polymer to obtain a secondary-modified conjugated diene polymer. The method can produce a modified conjugated diene polymer that exhibits low heat build-up (low fuel consumption) and excellent wear resistance.

    Abstract translation: 改性共轭二烯系聚合物的制造方法包括:使具有2个以上的特定官能团的异葎草类化合物与乙烯基含量低于10%的共轭二烯系聚合物进行一次改性反应的步骤(A) 1,4-键含量为75%以上,具有活性末端以获得一次改性共轭二烯聚合物,和进行二次改性反应的步骤(B),其使含有活性氢的化合物反应,所述活性含氢化合物包括一个或多个 更多的选自氨基,亚氨基,巯基和羟基的官能团与初级改性共轭二烯聚合物反应,得到二次改性共轭二烯聚合物。 该方法可以生产出低发热(低燃料消耗)和优异的耐磨性的改性共轭二烯聚合物。

    Method for producing modified conjugated diene polymer and rubber composition
    7.
    发明授权
    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:US07202306B2

    公开(公告)日:2007-04-10

    申请号:US10849786

    申请日:2004-05-21

    Abstract: 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.

    Abstract translation: 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℃。

    Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition
    8.
    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

    CPC classification number: C08L9/00 C08F36/04 C08K3/013 C08F4/545

    Abstract: 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.

    Abstract translation: 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
    9.
    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

    Abstract: 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.

    Abstract translation: 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
    10.
    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

    Abstract: 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).

    Abstract translation: 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)。

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