Conjugated diene rubber modified with polar alkoxysilane, method and composition thereof
    31.
    发明授权
    Conjugated diene rubber modified with polar alkoxysilane, method and composition thereof 有权
    用极性烷氧基硅烷改性的共轭二烯橡胶,其方法和组成

    公开(公告)号:US09260593B2

    公开(公告)日:2016-02-16

    申请号:US13607450

    申请日:2012-09-07

    Abstract: A modified conjugated diene rubber is disclosed. A method for producing the modified conjugated diene rubber includes providing an alkali metal ion-containing conjugated diene rubber; and reacting the alkali metal ion-containing conjugated diene rubber with an alkoxysilane to generate the modified conjugated diene rubber, the alkoxysilane being of the structural formula: wherein R1, R2, R3 are each independently selected from a group consisting of oxygen-containing C2-C12 group and nitrogen-containing C3-C12 group, the oxygen-containing C2-C12 group has a carbon atom directly connected to oxygen atom of the alkoxysilane, the nitrogen-containing C1-C12 group has a nitrogen atom directly connected to oxygen atom of the alkoxysilane, and R4 is selected from a group consisting of C3-C12 of alkyl, alkenyl, aryl, and alkoxy.

    Abstract translation: 公开了改性共轭二烯橡胶。 改性共轭二烯橡胶的制造方法包括提供含碱金属离子的共轭二烯橡胶; 并使含有碱金属离子的共轭二烯橡胶与烷氧基硅烷反应以生成改性共轭二烯橡胶,该烷氧基硅烷具有以下结构式:其中R1,R2,R3各自独立地选自含氧C2- C12基和含氮C3-C12基,含氧C2-C12基具有与烷氧基硅烷的氧原子直接连接的碳原子,含氮C1-C12基具有与氧原子直接连接的氮原子 烷氧基硅烷和R 4选自烷基,烯基,芳基和烷氧基的C 3 -C 12。

    PROCESS FOR CONTINUOUS SYTNTHESIS OF A DIENE ELASTOMER
    33.
    发明申请
    PROCESS FOR CONTINUOUS SYTNTHESIS OF A DIENE ELASTOMER 有权
    二维弹性体的连续合成方法

    公开(公告)号:US20150158960A1

    公开(公告)日:2015-06-11

    申请号:US14411725

    申请日:2013-07-01

    Abstract: A process for the continuous synthesis of diene elastomers with a high degree of conversion, including simultaneously: h) introducing continuously into a polymerisation reactor containing a gas phase and equipped with at least one stirring rotor and a discharge device, at least iii. one or more monomers, including at least one conjugated diene monomer, and iv. from 0% to 70% by mass of an organic solvent, calculated relative to the total mass of monomers and of solvent i) continuously polymerising the monomer(s), j) stirring the polymerisation medium via the continuous movement of at least one stirring rotor about a rotary axle, k) continuously discharging the elastomer paste, l) continuously conveying the discharged elastomer paste to a chopping device and chopping it into particles, and m) removing solvent from the particles of the elastomer paste and n) recovering diene elastomer; wherein 1 the degree of conversion is at least 60%, at the limit of the first third of the reaction volume of the polymerisation reactor, and 2 the standard deviation of the residence time distribution function in the polymerisation reactor is greater than the mean residence time divided by 2√3.

    Abstract translation: 连续合成具有高转化率的二烯弹性体的方法,包括同时包括:h)连续引入含有气相并装有至少一个搅拌转子和排出装置的聚合反应器,至少iii。 一种或多种单体,包括至少一种共轭二烯单体,和iv。 相对于单体和溶剂的总质量计算的0%至70质量%的有机溶剂i)连续聚合单体,j)通过至少一个搅拌转子的连续运动来搅拌聚合介质 关于旋转轴,k)连续排出弹性体糊料,l)将排出的弹性体浆料连续地输送到切碎装置并切割成颗粒,并且m)从弹性体糊料的颗粒中除去溶剂,和n)回收二烯弹性体; 其中1的转化度为聚合反应器的反应体积的第一三分之一的极限,至少为60%,2聚合反应器中停留时间分布函数的标准偏差大于平均停留时间 除以2√3。

    HYDROGENATED BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE
    34.
    发明申请
    HYDROGENATED BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE 审中-公开
    氢化分散共混二烯共聚物,橡胶组合物和气动轮胎

    公开(公告)号:US20150031839A1

    公开(公告)日:2015-01-29

    申请号:US14378193

    申请日:2013-01-22

    Inventor: Kensuke Washizu

    Abstract: There is provided a hydrogenated branched conjugated diene copolymer prepared by copolymerizing 1 to 99% by weight of a branched conjugated diene compound (1): wherein R1 is an aliphatic hydrocarbon having 6 to 11 carbon atoms, 99 to 0% by weight of a conjugated diene compound (2): wherein R2 and R3 are the same or different and each is a hydrogen atom, an aliphatic hydrocarbon group having 1 to 3 carbon atoms or a halogen atom, and/or 99 to 0% by weight of a vinyl compound (3): wherein R4 is a hydrogen atom, an aliphatic hydrocarbon group having 1 to 3 carbon atoms, an alicyclic hydrocarbon group having 3 to 8 carbon atoms, or an aromatic hydrocarbon group having 6 to 10 carbon atoms, and then hydrogenating the resulting copolymer. The hydrogenated branched conjugated diene copolymer is useful as a rubber component of a rubber composition for a tire exhibiting excellent processability, enhancing both of abrasion resistance and grip performance to a high level and inhibiting generation of bleeding.

    Abstract translation: 提供一种通过共聚1-99重量%的支链共轭二烯化合物(1)制备的氢化支化共轭二烯共聚物:其中R1是具有6至11个碳原子的脂族烃,99至0重量%的共轭二烯化合物 二烯化合物(2):其中R2和R3相同或不同,各自为氢原子,具有1至3个碳原子的脂族烃基或卤素原子,和/或99至0重量%的乙烯基化合物 (3)表示:其中R4是氢原子,碳原子数1〜3的脂肪族烃基,碳原子数3〜8的脂肪族烃基或碳原子数6〜10的芳香族烃基,然后氢化所得 共聚物。 氢化支化共轭二烯共聚物可用作轮胎表现出优异加工性的橡胶组合物的橡胶组分,同时提高耐磨性和抓地性能,达到高水平并抑制渗出的产生。

    POLYISOPRENE, PREPARATION METHOD THEREOF, POLYISOPRENE RUBBER COMPOUNDS AND VULCANIZATE THEREFROM
    36.
    发明申请
    POLYISOPRENE, PREPARATION METHOD THEREOF, POLYISOPRENE RUBBER COMPOUNDS AND VULCANIZATE THEREFROM 有权
    聚异戊二烯,其制备方法,聚异戊二烯橡胶化合物及其非离子表面活性剂

    公开(公告)号:US20130317176A1

    公开(公告)日:2013-11-28

    申请号:US13903573

    申请日:2013-05-28

    Abstract: The method for preparation of polyisoprene includes conducting polymerization reaction of isoprene in a first organic solvent under the presence of rare earth catalyst I and rare earth catalyst II, to obtain polyisoprene with bimodal molecular weight distribution, wherein the polymerization reaction conditions are controlled to ensure the peak molecular weight of the high molecular weight component fraction in the polyisoprene is 1×106-2×106 and the peak molecular weight of the low molecular weight component fraction is 2×105-4×105, and the weight ratio of content of the high molecular weight component fraction to the low molecular weight component fraction is 1-25:1. The molecular weight distribution of the polyisoprene obtained with the method provided is bimodal distribution; therefore, the polyisoprene not only has the mechanical properties of polyisoprene with high molecular weight, but also has the processability of polyisoprene with low molecular weight.

    Abstract translation: 制备聚异戊二烯的方法包括在稀土催化剂I和稀土催化剂II的存在下在第一有机溶剂中进行异戊二烯的聚合反应,得到双峰分子量分布的聚异戊二烯,其中控制聚合反应条件以确保 聚异戊二烯中高分子量组分的峰分子量为1×106-2×106,低分子量组分的峰分子量为2×105-4×105, 高分子量组分与低分子量组分的比例为1-25:1。 用所提供方法得到的聚异戊二烯的分子量分布为双峰分布; 因此,聚异戊二烯不仅具有高分子量的聚异戊二烯的机械性能,而且具有低分子量的聚异戊二烯的加工性。

    CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, CROSSLINKED RUBBER, TIRE, AND PROCESS FOR PRODUCTION OF CONJUGATED DIENE RUBBER
    37.
    发明申请
    CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, CROSSLINKED RUBBER, TIRE, AND PROCESS FOR PRODUCTION OF CONJUGATED DIENE RUBBER 有权
    混合二烯橡胶,橡胶组合物,交联橡胶,轮胎和生产连续二烯橡胶的方法

    公开(公告)号:US20130012651A1

    公开(公告)日:2013-01-10

    申请号:US13580765

    申请日:2011-02-22

    CPC classification number: C08C19/44 B60C1/00 C08L15/00

    Abstract: For a tire excellent in strength, low-heat buildup property, wet grip property, and driveability, and a rubber composition and a conjugated diene rubber for the tire, a conjugated diene rubber of the present invention includes 5 wt % or more of a structure that 3 or more conjugated diene polymer chains are bound via a denaturing agent, obtained by reaction of each chain and the agent, each chain being that at least one of terminals is an isoprene block having 70 wt % or more of an isoprene monomer unit, and the other is an active terminal, the agent having, per molecule, at least one of an epoxy group(s) and a hydrocarbyloxysilyl group(s), and being that a total number of the epoxy group(s) and hydrocarbyloxy groups in the hydrocarbyloxysilyl group(s) per molecule is 3 or more.

    Abstract translation: 对于强度,低发热性,湿抓地性和驾驶性优异的轮胎和用于轮胎的橡胶组合物和共轭二烯橡胶的轮胎,本发明的共轭二烯橡胶包括5重量%以上的结构 3个或更多个共轭二烯聚合物链通过每个链和试剂反应获得的变性剂结合,每个链是至少一个末端是具有70重量%或更多的异戊二烯单体单元的异戊二烯嵌段, 另一方面是活性末端,所述试剂每分子具有环氧基和烃氧基甲硅烷基中的至少一种,并且其中环氧基和烃氧基的总数为 每分子的烃氧基甲硅烷基为3个以上。

    Controlled polymerization
    38.
    发明授权
    Controlled polymerization 失效
    受控聚合

    公开(公告)号:US08178637B2

    公开(公告)日:2012-05-15

    申请号:US12831796

    申请日:2010-07-07

    Abstract: The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepared in-situ within the aqueous polymerization medium; and (2) initiating polymerization of said monomer within the aqueous polymerization medium. The subject invention more specifically reveals an emulsion polymerization process that comprises: (1) preparing a monomer solution which is comprised of (a) at least one monomer, (b) a conjugate acid of a surfactant with a pKa of less than 14, and (c) a controlled free radical polymerization agent; (2) preparing an aqueous medium which is comprised of (a) water, and (b) a conjugate base of a weak acid wherein the pKb of the base is less than 14; and (3) mixing the monomer solution with the aqueous medium under conditions that result in the in-situ formation of an emulsifier, and (4) initiating free radical polymerization.

    Abstract translation: 本发明公开了一种乳液聚合方法,其包括:(1)制备由(a)至少一种单体,(b)聚合控制剂和乳化剂组成的水性聚合介质,其中, 位于水性聚合介质中; 和(2)在水性聚合介质中引发所述单体的聚合。 本发明更具体地揭示了乳液聚合方法,其包括:(1)制备单体溶液,其由(a)至少一种单体,(b)pKa小于14的表面活性剂的共轭酸组成,以及 (c)受控自由基聚合剂; (2)制备由(a)水和(b)弱酸的共轭碱组成的水性介质,其中碱的pKb小于14; 和(3)在导致乳化剂原位形成的条件下将单体溶液与水性介质混合,和(4)引发自由基聚合。

    Rubber composition for tread and tire comprising thereof
    39.
    发明授权
    Rubber composition for tread and tire comprising thereof 有权
    包含胎面和轮胎的橡胶组合物

    公开(公告)号:US08044131B2

    公开(公告)日:2011-10-25

    申请号:US11325569

    申请日:2006-01-05

    Abstract: There is provided a rubber composition for a tread having excellent hardness and improving the processability and grip performance of a tire, and a tire comprising thereof. A rubber composition for a tread comprising 30 to 80 parts by weight of silica having a BET specific surface area of less than 150 m2/g and 10 parts by weight or less of carbon black based on 100 parts by weight of a rubber component comprising an epoxidized natural rubber, and a tire comprising thereof.

    Abstract translation: 提供了一种用于胎面的橡胶组合物,其具有优异的硬度,并提高了轮胎的加工性能和抓地性能,以及包括其的轮胎。 一种用于胎面的橡胶组合物,其包含30至80重量份的BET比表面积小于150m 2 / g的二氧化硅和10重量份或更少的炭黑,基于100重量份的橡胶组分,其包含 环氧化天然橡胶和包含其的轮胎。

    Process for the preparation of block copolymers for tire tread compositions and these copolymers
    40.
    发明授权
    Process for the preparation of block copolymers for tire tread compositions and these copolymers 有权
    制备轮胎胎面组合物和这些共聚物的嵌段共聚物的方法

    公开(公告)号:US07625983B2

    公开(公告)日:2009-12-01

    申请号:US11267259

    申请日:2005-11-07

    Applicant: Pierre Lesage

    Inventor: Pierre Lesage

    Abstract: A process for the preparation of a functionalized, coupled or starred block copolymer which is usable in a sulphur-cross-linkable rubber composition of reduced hysteresis in the cross-linked state, one at least of said blocks consisting of a polyisoprene and at least one other block consisting of a diene elastomer other than a polyisoprene the molar ratio of units originating from one or more conjugated dienes of which is greater than 15%. The process includes the steps of: (i) copolymerization of one or more monomers comprising a conjugated diene other than isoprene using a catalytic system comprising a hydrocarbon solvent, a compound A of a metal of group IIIA, a compound B of an alkaline-earth metal and a polymer initiator C comprising a C—Li bond which is formed of a monolithiated polyisoprene intended to form the polyisoprene, said polyisoprene block(s) having a number-average molecular weight Mn1 of between 2,500 and 20,000 g/mol, so that said block(s) other than a polyisoprene has/have a content of trans-1,4 linkages equal to or greater than 70% and a number-average molecular weight Mn2 of between 65,000 and 350,000 g/mol, and (ii) addition to the product of copolymerization of a functionalizing, coupling or starring agent comprising one, two or at least three epoxy groups respectively, so that said block other than a polyisoprene is functionalized, coupled or starred.

    Abstract translation: 一种制备功能化,偶联或加星型嵌段共聚物的方法,其可用于交联状态下具有降低的滞后的硫交联橡胶组合物,至少所述嵌段由聚异戊二烯和至少一种 由除了聚异戊二烯以外的二烯弹性体组成的其它嵌段,源自一种或多种共轭二烯的单元的摩尔比大于15%。 该方法包括以下步骤:(i)使用包含烃溶剂,IIIA族金属的化合物A,碱土金属化合物B的催化体系,共聚一种或多种包含异戊二烯以外的共轭二烯的单体 金属和聚合物引发剂C,其包含由旨在形成聚异戊二烯的整体式聚异戊二烯形成的C-Li键,所述聚异戊二烯嵌段的数均分子量Mn1为2500〜20,000g / mol,使得 除聚异戊二烯之外的所述嵌段具有等于或大于70%的反式-1,4-键的含量和65,000至350,000g / mol的数均分子量Mn2,和(ii)加成 涉及分别包含一个,两个或至少三个环氧基团的官能化,偶联或起始原料共聚的产物,使得除聚异戊二烯以外的所述嵌段被官能化,偶联或加成。

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