公开(公告)号：US08153723B2

公开(公告)日：2012-04-10

申请号：US12096263

申请日：2006-12-05

申请人： Takahiro Nakamura ,  Kouichirou Tani ,  Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

发明人： Takahiro Nakamura ,  Kouichirou Tani ,  Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

IPC分类号： C08L9/00 ,  C08F4/44

CPC分类号： C08L9/00 ,  C08F36/04 ,  C08K3/013 ,  C08F4/545

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（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。

公开(公告)号：US20100048803A1

公开(公告)日：2010-02-25

申请号：US12520717

申请日：2007-12-28

申请人： Minoru Tsuneyoshi ,  Yukihiro Sawada ,  Tsukasa Toyoshima ,  Kenji Hasegawa ,  Toshihiro Tadaki

发明人： Minoru Tsuneyoshi ,  Yukihiro Sawada ,  Tsukasa Toyoshima ,  Kenji Hasegawa ,  Toshihiro Tadaki

IPC分类号： C08L9/00 ,  C08F8/30

CPC分类号： C08F279/02 ,  C08F265/08 ,  C08F279/04 ,  C08L27/06 ,  C08L55/02 ,  F16L11/06 ,  C08F212/08 ,  C08F220/44 ,  C08F220/18 ,  C08L2666/02 ,  C08L2666/24 ,  C08L2666/04

摘要： A method for producing a polymer for oil-resistant rubber, which comprises adding, to an aqueous dispersion of an unsaturated nitrile-conjugated diene copolymer (component A), a monomer composition (component B) containing at least one kind of monomer selected from the group consisting of a nitrile group-containing monomer (component B-1), a (meth)acrylic acid ester monomer (component B-2) and an aromatic vinyl compound monomer (component B-3), and conducting a polymerization reaction in a state that the ratio of the conjugated diene monomer present in the system, to the total monomers present in the system is controlled at 10 mol % or less.

摘要翻译： 一种耐油性橡胶用聚合物的制造方法，其特征在于，向不饱和腈共轭二烯共聚物（A成分）的水分散液中添加含有选自以下的单体的单体组合物（B成分） （B-1成分），（甲基）丙烯酸酯单体（B-2成分），芳香族乙烯基化合物单体（B-3成分）组成的组中的聚合反应， 存在于系统中的共轭二烯单体与体系中存在的总单体的比率控制在10摩尔％以下。

公开(公告)号：US06562929B2

公开(公告)日：2003-05-13

申请号：US09940503

申请日：2001-08-29

申请人： Tomohisa Konno ,  Yoshiyuki Udagawa ,  Toshihiro Tadaki

发明人： Tomohisa Konno ,  Yoshiyuki Udagawa ,  Toshihiro Tadaki

IPC分类号： C08F23612

CPC分类号： C08K5/01 ,  C08F236/12 ,  C08K3/36 ,  C08L9/06 ,  C08L21/00 ,  Y02T10/862 ,  C08L2666/08

摘要： An objective of the invention is to provide a conjugated diene-based rubber having a specific composition and a method of producing the same, an oil extended rubber using the same, as well as a rubber composition capable of being converted into a vulcanized rubber which has a low rolling resistance, an excellent wearing resistance and the like, and is useful, for example, as a tire or the like. A conjugated diene-based rubber in the invention has a glass transition point of −60 to 0° C., an olefinically unsaturated nitrile monomer unit randomly contains in its molecular chain, its repeating units consists of 9 to 30% by mass of an olefinically unsaturated nitrile monomer unit such as acrylonitrile, 10 to 50% by mass of an aromatic vinyl monomer unit such as styrene and 20 to 81% by mass of a conjugated diene monomer unit such as 1,3-butadiene, and its Mooney viscosity [ML1+4(100° C.)] is 20 to 200. An oil extended rubber in the invention comprises 100 parts by mass of the conjugated diene-based rubber and 10 to 60 parts by mass of an extending oil. A rubber composition in the invention comprises a rubber component containing a conjugated diene-based rubber, and an inorganic filler such as a silica and/or a carbon black.

公开(公告)号：US06191234B1

公开(公告)日：2001-02-20

申请号：US09210793

申请日：1998-12-15

申请人： Toshihiro Tadaki ,  Tamotsu Nagaoka ,  Hiroshi Akema ,  Iwakazu Hattori

发明人： Toshihiro Tadaki ,  Tamotsu Nagaoka ,  Hiroshi Akema ,  Iwakazu Hattori

IPC分类号： C08F832

CPC分类号： B60C1/0016 ,  C08C19/44 ,  C08F236/10 ,  C08L19/006

摘要： Conjugated diolefin-based copolymer rubber of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of amino groups bound to the rubber (nitrogen content value) is 0.0025 to 0.20 mmol/g of copolymer rubber, (2) the content of the polymerization units of the aromatic vinyl compound is 5 wt % or more and less than 30 wt % based on the copolymer rubber, and the content of vinyl bonds in the polymerization unit of the conjugated diolefin (the total content of a 1,2-bond and a 3,4-bond) is 55 mol % or more based on the polymerization unit of the conjugated diolefin, or the content of the polymerization units of the aromatic vinyl compound is 30 to 50 wt % based on the copolymer rubber and the content of vinyl bonds in the polymerization unit of the conjugated diolefin is 25 to 55 mol % on the polymerization unit of the conjugated diolefin and (3) the molecular weight distribution is polymodal.

摘要翻译： 共轭二烯烃和芳族乙烯基化合物的共轭二烯共聚物橡胶，其中（1）与橡胶结合的氨基的含量（氮含量值）为0.0025〜0.20mmol / g共聚物橡胶，（2）含量 的芳族乙烯基化合物的聚合单元相对于共聚物橡胶为5重量％以上且小于30重量％，共轭二烯烃的聚合单元中的乙烯基键的含量（总共1,2 键和3,4键）相对于共轭二烯烃的聚合单元为55摩尔％以上，或者芳香族乙烯基化合物的聚合单元的含量相对于共聚物橡胶为30〜50重量％ 共轭二烯烃的聚合单元中的乙烯基键的含量在共轭二烯烃的聚合单元上为25〜55摩尔％，（3）分子量分布为多模态。

公开(公告)号：US08557915B2

公开(公告)日：2013-10-15

申请号：US13371780

申请日：2012-02-13

申请人： Takahiro Nakamura ,  Kouichirou Tani ,  Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

发明人： Takahiro Nakamura ,  Kouichirou Tani ,  Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

IPC分类号： C08L9/00 ,  C08F4/06

CPC分类号： C08L9/00 ,  C08F36/04 ,  C08K3/013 ,  C08F4/545

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。

公开(公告)号：US08258241B2

公开(公告)日：2012-09-04

申请号：US12521331

申请日：2007-12-27

申请人： Ryouji Tanaka ,  Takahiro Nakamura ,  Takuo Sone ,  Toshihiro Tadaki

发明人： Ryouji Tanaka ,  Takahiro Nakamura ,  Takuo Sone ,  Toshihiro Tadaki

IPC分类号： C08F136/04 ,  C08F4/14

CPC分类号： C08C19/44 ,  B60C1/00 ,  B60C1/0016 ,  B60C1/0025 ,  B60C1/0041 ,  B60C2001/0066 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L15/00 ,  C08L21/00 ,  C08L2666/08

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。

公开(公告)号：US07893153B2

公开(公告)日：2011-02-22

申请号：US12089216

申请日：2006-10-04

申请人： Ryouji Tanaka ,  Kouichirou Tani ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

发明人： Ryouji Tanaka ,  Kouichirou Tani ,  Takuo Sone ,  Toshihiro Tadaki ,  Junko Kurazumi ,  Koji Masaki ,  Yoichi Ozawa

IPC分类号： C08L83/00 ,  C08F8/00

CPC分类号： C08C19/44 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L15/00 ,  C08L21/00 ,  C08L23/16 ,  C08L2666/08

摘要： A process for producing a modified conjugated diene polymer includes subjecting an active terminal of a conjugated diene polymer having a vinyl content of less than 10% and a cis-1,4 bond content of 75% or more to a modification reaction with an alkoxysilane compound, and subjecting the alkoxysilane compound (residue) to a condensation reaction in an aqueous solution at a pH of 9 to 14 and a temperature of 85 to 180° C. in the presence of a condensation accelerator including a compound containing titanium. The modified conjugated diene polymer exhibits low heat build-up and increased reinforcing properties when used for a rubber composition, and exhibits excellent wear resistance, mechanical characteristics, and processability.

摘要翻译： 改性共轭二烯系聚合物的制造方法包括使乙烯基含量小于10％，顺式-1,4-键含量为75％以上的共轭二烯聚合物的活性末端与烷氧基硅烷化合物进行改性反应 在包含含钛化合物的缩合促进剂的存在下，在9〜14的pH值和85〜180℃的温度下，在水溶液中使烷氧基硅烷化合物（残基）进行缩合反应。 当用于橡胶组合物时，改性共轭二烯聚合物显示出低的发热性和增强的性能，并表现出优异的耐磨性，机械性能和加工性能。

公开(公告)号：US20050009979A1

公开(公告)日：2005-01-13

申请号：US10849786

申请日：2004-05-21

申请人： Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki

发明人： Ryouji Tanaka ,  Takuo Sone ,  Toshihiro Tadaki

IPC分类号： C08C19/25 ,  C08C19/34 ,  C08C19/42 ,  C08L19/00 ,  C08L21/00 ,  C08K3/34 ,  C08F236/00 ,  C08K3/04

CPC分类号： C08L19/006 ,  C08C19/25 ,  C08C19/34 ,  C08C19/42 ,  C08L21/00 ,  C08L2666/08

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℃。

公开(公告)号：US06747095B2

公开(公告)日：2004-06-08

申请号：US09842162

申请日：2001-04-26

申请人： Tomohisa Konno ,  Toshihiro Tadaki ,  Yoshiyuki Udagawa ,  Hiroshi Akema

发明人： Tomohisa Konno ,  Toshihiro Tadaki ,  Yoshiyuki Udagawa ,  Hiroshi Akema

IPC分类号： C08L5300

CPC分类号： C08L21/00 ,  C08L9/00 ,  C08L9/02 ,  C08L9/06 ,  C08L15/00 ,  C08L19/006 ,  C08L23/16 ,  C08L33/066 ,  C08L2205/22 ,  C08L2312/00 ,  Y10S525/901 ,  Y10S525/914 ,  Y10S526/909 ,  C08L2666/08

摘要： An objective of the invention is to provide a rubber composition which has satisfactory processability and dimension stability, and the like, gives a vulcanized rubber exhibiting excellent wearing resistance and tensile strength, and the like, and thus is useful in a belt, a hose and a tire and the like, as well as a crosslinked rubber particle for obtaining such rubber composition. A rubber composition of the invention comprises [1] a crosslinked rubber particle comprising as repeating units (a) 30 to 94.89% by weight of a conjugated diene unit, (b) 5 to 69.89% by weight of an aromatic vinyl unit, (c) 0.01 to 10% by weight of a monomer unit having at least two polymerizable unsaturated group, (d) one polymerizable unsaturated group and an amino group, a hydroxyl group and an epoxy group and (e) 0.1 to 30% by weight of a monomer unit having one polymerizable unsaturated group and a carboxylic group and having a particle size of 10 to 500 nm and a toluene-insolubles of 80% by weight or more and [2] a non-crosslinked rubber component whose toluene-insolubles is less than 20% by weight.

摘要翻译： 本发明的目的是提供一种具有令人满意的加工性和尺寸稳定性等的橡胶组合物，得到具有优异的耐磨性和拉伸强度的硫化橡胶等，因此可用于带，软管和 轮胎等，以及用于获得这种橡胶组合物的交联橡胶颗粒。 本发明的橡胶组合物包含[1]交联橡胶颗粒，其包含作为重复单元（a）30至94.89重量％的共轭二烯单元，（b）5至69.89重量％的芳族乙烯基单元，（c ）0.01〜10重量％的具有至少2个聚合性不饱和基团的单体单元，（d）1个聚合性不饱和基团和氨基，羟基和环氧基，（e）0.1〜30重量％ 具有一个聚合性不饱和基团和羧基的单体单元，其粒径为10〜500nm，甲苯不溶物为80重量％以上，[2]甲苯不溶物的非交联橡胶组分小于 20重量％。

公开(公告)号：US06740704B2

公开(公告)日：2004-05-25

申请号：US10011739

申请日：2001-12-11

申请人： Tomohisa Konno ,  Yoshiyuki Udagawa ,  Toshihiro Tadaki

发明人： Tomohisa Konno ,  Yoshiyuki Udagawa ,  Toshihiro Tadaki

IPC分类号： C08L900

CPC分类号： B60C1/0016 ,  B60C1/0025 ,  C08J3/215 ,  C08J2321/00 ,  C08K3/013 ,  C08L21/00

摘要： The object of the present invention is to provide a method for producing a diene-based rubber/inorganic compound complex capable of allowing a silicic acid compound including silica and the like to be dispersed uniformly and allowing a reinforcing effect to be exerted sufficiently, and a rubber composition containing said complex. A latex comprising a diene-based rubber such as styrene-butadiene copolymeric rubber, butadiene-styrene-isoprene copolymeric rubber and the like is mixed with an aqueous solution of a silicate in which an alkaline salt of silicic acid such as sodium silicate, potassium silicate and the like is dissolved, and then the resultant mixture is further mixed with an aqueous solution of electrolytes containing [1] a cationic substance which has an affinity to the diene-based rubber including a cationic polymer coagulating agent such as poly(meth)acrylic ester or the like and a cationic surfactant such as alkylamine acetate or the like and [2] a salt of an acid such as hydrochloric acid, nitric acid and the like with a multivalent metal such as calcium, magnesium and the like, to form a co-coagulated material, which is followed by a drying, whereby obtaining a diene-based rubber/inorganic compound complex.

摘要翻译： 本发明的目的是提供一种能够使包含二氧化硅等的硅酸化合物均匀分散并能够充分发挥增强效果的二烯系橡胶/无机复合络合物的制造方法， 含有所述复合物的橡胶组合物。 将包含二烯基橡胶如苯乙烯 - 丁二烯共聚橡胶，丁二烯 - 苯乙烯 - 异戊二烯共聚橡胶等的胶乳与硅酸盐水溶液混合，其中硅酸的碱性盐如硅酸钠，硅酸钾 溶解，然后将所得混合物与含有[1]阳离子物质的电解质水溶液进一步混合，该阳离子物质对包含阳离子聚合物凝结剂如聚（甲基）丙烯酸酯的二烯系橡胶具有亲和性 酯等，以及阳离子表面活性剂如烷基胺乙酸盐等，[2]酸如盐酸，硝酸等与多价金属如钙，镁等的盐形成 共混材料，然后进行干燥，由此得到二烯系橡胶/无机复合体。