公开(公告)号：US09623705B2

公开(公告)日：2017-04-18

申请号：US12921448

申请日：2009-03-10

申请人： Ken Tanaka ,  Noriko Mori ,  Yuki Itoh ,  Yoichi Ozawa ,  Ryuji Nakagawa ,  Junko Matsushita ,  Shigeaki Matsuo ,  Kouji Masaki ,  Fumihiro Shiraishi ,  Fuminori Oota

发明人： Ken Tanaka ,  Noriko Mori ,  Yuki Itoh ,  Yoichi Ozawa ,  Ryuji Nakagawa ,  Junko Matsushita ,  Shigeaki Matsuo ,  Kouji Masaki ,  Fumihiro Shiraishi ,  Fuminori Oota

IPC分类号： C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08K5/544 ,  B60C1/00 ,  C08C19/00 ,  C08F8/42 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  C08K5/5415 ,  C08K3/00 ,  C08K5/00 ,  C08K5/057 ,  C08K5/098

CPC分类号： B60C1/00 ,  C08C19/00 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F8/42 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/0091 ,  C08K5/057 ,  C08K5/098 ,  C08K5/5415 ,  C08K5/544 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  Y10T152/10846 ,  C08L2666/08

摘要： The invention provides a method for producing a modified conjugated diene (co)polymer, the method including comprising: a modification reaction step including causing an organic silane compound to react with a conjugated diene (co)polymer having an active site at the active site, the organic silane compound having a characteristic group for forming a silanol group through hydrolysis and, in the vicinity of the characteristic group, (i) a functional group which binds the organic silane compound to the conjugated diene (co)polymer via addition to or substitution at the active site and which promotes reaction between the silanol group and a reinforcing filler after the addition or substitution reaction, or (ii) a functional group which promotes reaction between the silanol group and a reinforcing filler, and a hydrolyzation step performed after the modification reaction step; a modified conjugated diene (co)polymer having, at a molecular end of the conjugated diene (co)polymer, a silanol group, and a functional group in the vicinity of the silanol group, the functional group accelerating reaction between the silanol group and the reinforcing filler; a rubber composition containing the (co)polymer and carbon black having specific characteristics; and a tire formed from the rubber composition.

公开(公告)号：US08299184B2

公开(公告)日：2012-10-30

申请号：US12279252

申请日：2007-02-14

申请人： Junko Kurazumi ,  Kouji Masaki

发明人： Junko Kurazumi ,  Kouji Masaki

IPC分类号： C08F236/06 ,  C08F236/10 ,  C08L53/02 ,  C08K13/02

CPC分类号： C08L7/00 ,  B60C1/0025 ,  C08K3/04 ,  C08L9/00 ,  C08L21/00 ,  Y10T152/10495 ,  C08L2666/08

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。

公开(公告)号：US20090239974A1

公开(公告)日：2009-09-24

申请号：US11817593

申请日：2006-02-24

申请人： Noriko Mori ,  Kouji Masaki

发明人： Noriko Mori ,  Kouji Masaki

IPC分类号： C08J5/14

CPC分类号： C08L15/00 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/013 ,  C08L9/06 ,  C08L21/00 ,  C08L2666/08

摘要： This invention relates to a rubber composition having excellent workability, fracture characteristics and wear resistance and a low heat buildup and a high storage modulus (G′), and more particularly to a rubber composition comprising not less than 20 parts by mass of a reinforcing filler (B) and 5 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (C) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 10 to 80% by mass and a weight average molecular weight as measured with a gel permeation chromatography and converted to polystyrene of 5,000 to 300,000 based on 100 parts by mass of a rubber component (A) containing not less than 10% by mass of a modified conjugated diene-based polymer having at least one functional group.

摘要翻译： 本发明涉及具有优异的加工性，断裂特性和耐磨性，低发热性和高储能模量（G'）的橡胶组合物，更具体地说，涉及一种橡胶组合物，其包含不少于20质量份的增强填料 （B）和5〜60质量份的芳族乙烯基化合物含量为5〜80质量％的低分子量芳族乙烯基化合物 - 共轭二烯化合物共聚物（C），共轭二烯化合物中的乙烯基键含量 10质量％至80质量％的重量平均分子量和用凝胶渗透色谱测量的重均分子量，并且基于100质量份含有不少于10质量％的橡胶组分（A），其转化为聚苯乙烯为5,000至300,000 的具有至少一个官能团的改性共轭二烯类聚合物。

公开(公告)号：US20100160530A1

公开(公告)日：2010-06-24

申请号：US12161015

申请日：2007-01-19

申请人： Junko Kurazumi ,  Kouji Masaki

发明人： Junko Kurazumi ,  Kouji Masaki

IPC分类号： C08K3/04

CPC分类号： B60C1/0025 ,  C08C19/44 ,  C08L7/00 ,  C08L15/00 ,  C08L21/00 ,  C08L2666/08

摘要： A rubber composition comprises 10 to 70 parts by mass of carbon black having 20 to 100 m2/g of the specific surface area by nitrogen adsorption per 100 parts by mass of a rubber component comprising 20 to 80 parts by mass of a modified polybutadiene rubber and 80 to 20 parts by mass of natural rubber and/or at least one other diene-based synthetic rubber, wherein the modified polybutadiene is obtained by polymerizing 1,3-butadiene in an organic solvent using a compound having a rare earth element of the lanthanoid series, followed by modifying the obtained polybutadiene, and has a content of the cis-1,4-bond of 92% or greater, a content of vinyl bond of 1.5% or smaller and a fraction of the modified chain end of 20% or greater; and a tire using the rubber composition for a sidewall. The rubber composition exhibits excellent low heat buildup property and resistance to fracture.

摘要翻译： 橡胶组合物包含10〜70质量份的碳黑，相对于每100质量份包含20〜80质量份改性聚丁二烯橡胶的橡胶成分，通过氮吸附而具有20〜100m 2 / g比表面积的炭黑， 80〜20质量份天然橡胶和/或至少一种其它二烯系合成橡胶，其中，所述改性聚丁二烯通过使用具有镧系稀土元素的化合物在有机溶剂中聚合1,3-丁二烯而得到 然后改性所得的聚丁二烯，并且顺式-1,4-键的含量为92％以上，乙烯基键的含量为1.5％以下，改性链端的分数为20％， 更大 以及使用该侧壁用橡胶组合物的轮胎。 橡胶组合物具有优异的低发热性和耐断裂性。

公开(公告)号：US20100016496A1

公开(公告)日：2010-01-21

申请号：US12446799

申请日：2007-10-25

申请人： Ken Tanaka ,  Kouji Masaki ,  Yoichi Ozawa ,  Eiji Suzuki ,  Christine M. Rademacher ,  Terrence E. Hogan ,  Takuo Sone ,  Takaomi Matsumoto

发明人： Ken Tanaka ,  Kouji Masaki ,  Yoichi Ozawa ,  Eiji Suzuki ,  Christine M. Rademacher ,  Terrence E. Hogan ,  Takuo Sone ,  Takaomi Matsumoto

IPC分类号： C08L83/04 ,  C08G77/08

CPC分类号： C08C19/25 ,  B60C1/0016 ,  B60C1/0025 ,  C08C19/44 ,  C08K3/04 ,  C08K3/36 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  C08L2666/08

摘要： The invention provides a process for producing a modified conjugated diene based polymer which attains favorable interaction between a rubber component and carbon black and/or silica, thereby improving dispersibility of the fillers, and which exhibits excellent properties such as heat-buildup-suppressing performance, fracture characteristics, and wear resistance; a modified conjugated diene based polymer produced through the process; a rubber composition containing the diene polymer; and a tire produced from the rubber composition and exhibiting the above properties. The process for producing a modified conjugated diene based polymer includes a step (a) of reacting a silicon compound with a conjugated diene based polymer having an active end so that the reaction takes place at the active end, the silicon compound having a protected primary amino group in the molecule thereof and a bi-functional silicon atom to which a hydrocarbyloxy group and a reactive group are bonded, to thereby modify the active end, and a step (b) of performing condensation reaction which involves the compound having a bi-functional silicon atom, in the presence of a titanium compound serving as a titanium-based condensation-accelerating agent.

摘要翻译： 本发明提供了一种制备改性共轭二烯系聚合物的方法，其在橡胶组分与炭黑和/或二氧化硅之间具有良好的相互作用，从而提高填料的分散性，并且具有优异的性能如发热抑制性能， 断裂特性和耐磨性; 通过该方法制备的改性共轭二烯基聚合物; 含有二烯聚合物的橡胶组合物; 以及由橡胶组合物制成并具有上述特性的轮胎。 改性共轭二烯系聚合物的制造方法包括使硅化合物与具有活性末端的共轭二烯系聚合物反应的步骤（a），使得反应在活性末端进行，具有被保护的伯氨基 在其分子中具有烃氧基和反应性基团键合的双功能硅原子，从而改变活性末端，以及进行缩合反应的步骤（b），其涉及具有双官能团的化合物 硅原子，在用作钛基缩合促进剂的钛化合物的存在下。

公开(公告)号：US20090018238A1

公开(公告)日：2009-01-15

申请号：US11814571

申请日：2006-02-02

申请人： Kazuhiro Yanagisawa ,  Kouji Masaki ,  Kazuaki Someno

发明人： Kazuhiro Yanagisawa ,  Kouji Masaki ,  Kazuaki Someno

IPC分类号： C08L15/00

CPC分类号： B60C1/0016 ,  B60C1/00 ,  B60C1/0025 ,  B60C2015/0614 ,  C08J3/215 ,  C08J3/226 ,  C08J2321/00 ,  C08J2421/00 ,  C08K3/013 ,  C08K3/22 ,  C08K3/26 ,  C08K3/34 ,  C08K3/346 ,  C08L21/00

摘要： A method for producing a rubber-filler master batch which comprises mixing a rubber solution obtained by dissolving a diene-based rubber in an organic solvent into a slurry obtained by dispersing in water, in advance, carbon black, silica and/or at least one inorganic filler represented by the following general formula (I): nM1.xSiOy.zH2O  (I) [wherein M1 represents at least one selected from the group consisting of metals which are aluminum, magnesium, titanium, calcium and zirconium, oxides and hydroxides of the metals, hydrates thereof and carbonates of the metals, and n, x, y and z respectively represent an integer of 1 to 5, an integer of 0 to 10, an integer of 2 to 5 and an integer of 0 to 10.]

摘要翻译： 一种橡胶填料母料的制造方法，其特征在于，将通过将二烯类橡胶溶解在有机溶剂中得到的橡胶溶液预先混合到通过分散在水中而获得的浆料中，将其炭黑，二氧化硅和/或至少一种 由下列通式（I）表示的无机填料：<？in-line-formula description =“In-line formula”end =“lead”？> nM1.xSiOy.zH2O（I）<？in-line-formula description =“内联式”末端=“尾”→其中M1表示选自金属，铝，镁，钛，钙和锆的金属中的至少一种，金属的氧化物和氢氧化物，其水合物和 分别表示金属的碳酸酯和n，x，y和z分别表示1〜5的整数，0〜10的整数，2〜5的整数和0〜10的整数。

公开(公告)号：US08030406B2

公开(公告)日：2011-10-04

申请号：US11817573

申请日：2006-02-23

申请人： Noriko Mori ,  Eiji Suzuki ,  Kouji Masaki

发明人： Noriko Mori ,  Eiji Suzuki ,  Kouji Masaki

IPC分类号： C08L9/00 ,  C08L25/02 ,  C08L33/02 ,  C08L35/00 ,  C08L39/04 ,  C08L43/00 ,  C08L45/00

CPC分类号： B60C1/0016 ,  C08C19/44 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  C08L15/00 ,  Y10T152/10495 ,  C08L2666/08

摘要： This invention relates to a rubber composition having a high storage modulus (G′) and a low loss tangent (tan δ), and more particularly to a rubber composition comprising 2 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (B) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 5 to 80% by mass, a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 5,000 to 500,000 and at least one functional group based on 100 parts by mass of a rubber component (A) composed of at least one of natural rubber and synthetic diene-based rubbers.

摘要翻译： 本发明涉及具有高储能模量（G'）和低损耗角正切（tanδ）的橡胶组合物，更具体地说，涉及一种橡胶组合物，其包含2至60质量份的低分子量芳族乙烯基化合物 - 芳族乙烯基化合物含量为5〜80质量％的共轭二烯化合物共聚物（B），共轭二烯化合物部分中的乙烯基含量为5〜80质量％，通过凝胶渗透测定的重均分子量 基于100质量份由天然橡胶和合成二烯系橡胶中的至少一种构成的橡胶成分（A），将其换算为5000〜500000的聚苯乙烯和至少一种官能团。

公开(公告)号：US20090203828A1

公开(公告)日：2009-08-13

申请号：US12279252

申请日：2007-02-14

申请人： Junko Kurazumi ,  Kouji Masaki

发明人： Junko Kurazumi ,  Kouji Masaki

IPC分类号： C08K3/04

CPC分类号： C08L7/00 ,  B60C1/0025 ,  C08K3/04 ,  C08L9/00 ,  C08L21/00 ,  Y10T152/10495 ,  C08L2666/08

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。

公开(公告)号：US20080289740A1

公开(公告)日：2008-11-27

申请号：US11817573

申请日：2006-02-23

申请人： Noriko Mori ,  Eiji Suzuki ,  Kouji Masaki

发明人： Noriko Mori ,  Eiji Suzuki ,  Kouji Masaki

IPC分类号： B60C5/00 ,  C08L9/06 ,  C08K3/04 ,  C08K3/36

CPC分类号： B60C1/0016 ,  C08C19/44 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  C08L15/00 ,  Y10T152/10495 ,  C08L2666/08

摘要： This invention relates to a rubber composition having a high storage modulus (G′) and a low loss tangent (tan δ), and more particularly to a rubber composition comprising 2 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (B) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 5 to 80% by mass, a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 5,000 to 500,000 and at least one functional group based on 100 parts by mass of a rubber component (A) composed of at least one of natural rubber and synthetic diene-based rubbers.

摘要翻译： 本发明涉及具有高储能模量（G'）和低损耗角正切（tanδ）的橡胶组合物，更具体地说，涉及一种橡胶组合物，其包含2至60质量份的低分子量芳族乙烯基化合物 - 芳族乙烯基化合物含量为5〜80质量％的共轭二烯化合物共聚物（B），共轭二烯化合物部分中的乙烯基含量为5〜80质量％，通过凝胶渗透测定的重均分子量 基于100质量份由天然橡胶和合成二烯系橡胶中的至少一种构成的橡胶成分（A），将其换算为5000〜500000的聚苯乙烯和至少一种官能团。

公开(公告)号：US09056925B2

公开(公告)日：2015-06-16

申请号：US12446799

申请日：2007-10-25

申请人： Ken Tanaka ,  Kouji Masaki ,  Yoichi Ozawa ,  Eiji Suzuki ,  Christine M. Rademacher ,  Terrence E. Hogan ,  Takuo Sone ,  Takaomi Matsumoto

发明人： Ken Tanaka ,  Kouji Masaki ,  Yoichi Ozawa ,  Eiji Suzuki ,  Christine M. Rademacher ,  Terrence E. Hogan ,  Takuo Sone ,  Takaomi Matsumoto

IPC分类号： C08L83/00 ,  C08C19/25 ,  B60C1/00 ,  C08C19/44 ,  C08L15/00 ,  C08L21/00

CPC分类号： C08C19/25 ,  B60C1/0016 ,  B60C1/0025 ,  C08C19/44 ,  C08K3/04 ,  C08K3/36 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  C08L2666/08

摘要： A process for producing a modified conjugated diene based polymer includes a step (a) of reacting a silicon compound with a conjugated diene based polymer having an active end so that the reaction takes place at the active end, the silicon compound having a protected primary amino group in the molecule thereof and a silicon atom to which a hydrocarbyloxy group and a reactive group are bonded, to thereby modify the active end, and a step (b) of performing condensation reaction, in the presence of a titanium compound serving as a titanium-based condensation-accelerating agent. A rubber composition contains the modified diene polymer, and a tire is produced from the rubber composition.

摘要翻译： 改性共轭二烯系聚合物的制造方法包括使硅化合物与具有活性末端的共轭二烯系聚合物反应以使反应在活性末端进行的工序（a），具有被保护的伯氨基 在其分子中具有烃氧基和反应性基团键合的硅原子，从而改变活性末端，以及在用作钛的钛化合物的存在下进行缩合反应的步骤（b） 的缩合促进剂。 橡胶组合物含有改性二烯聚合物，由橡胶组合物制成轮胎。