会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Rubber composition
    • 橡胶组成
    • US6127472A
    • 2000-10-03
    • US186141
    • 1998-11-05
    • Naokazu KobayashiHiroshi AkemaToshihiro TadakiFumio Tsutsumi
    • Naokazu KobayashiHiroshi AkemaToshihiro TadakiFumio Tsutsumi
    • C08K5/01C08L9/06C08K3/04C08C19/00C08K3/36C08L25/10
    • C08L9/06C08K3/04C08K5/01
    • A rubber composition exhibiting excellent low rolling resistance, high wet skid properties, and superior wear resistance, and suitably used as a vulcanized rubber for tire tread. The rubber composition comprises a styrene-butadiene copolymer previously extended using an extender oil, in an amount from 30 to 100 wt % of the total rubber components, and an extender oil in an amount from 6 to 50 parts by weight for 100 parts by weight of the total rubber components, of which 20 to 50 parts by weight of the extender oil for 100 parts by weight of styrene-butadiene copolymer is used to previously extend the styrene-butadiene copolymer. The styrene-butadiene copolymer has a styrene content from 5 to 45 wt %, 20 to 80% of a microstructure 1,2-bond of butadiene portion, a glass transition temperature from -55.degree. C. to -20.degree. C., and 40 wt % or more of a single styrene bond and 10 wt % or less of long styrene chain which contains 8 or more styrene molecules, among the total styrene bonds.
    • 具有优异的低滚动阻力,高湿滑性能和优异的耐磨性的橡胶组合物,并且适合用作轮胎胎面的硫化橡胶。 橡胶组合物包含预先使用增量油延伸的苯乙烯 - 丁二烯共聚物,其量为总橡胶组分的30-100重量%,和100重量份的量为6至50重量份的增量油 的总橡胶组分,其中使用20至50重量份的100重量份苯乙烯 - 丁二烯共聚物的增量油预先延长苯乙烯 - 丁二烯共聚物。 苯乙烯 - 丁二烯共聚物的苯乙烯含量为5〜45重量%,丁二烯部分的微结构1,2-键为20〜80%,玻璃化转变温度为-55〜-20℃, 40重量%以上的单一苯乙烯键和10重量%以下的含有8个以上苯乙烯分子的长苯乙烯链。
    • 2. 发明授权
    • Rubber compositions and methods for producing the same
    • 橡胶组合物及其制造方法
    • US06740700B2
    • 2004-05-25
    • US09983626
    • 2001-10-25
    • Naokazu KobayashiToshihiro TadakiHiroshi Akema
    • Naokazu KobayashiToshihiro TadakiHiroshi Akema
    • C08J300
    • C08J3/20C08J2321/00
    • An objective of the present invention is to provide rubber composition and method for producing the same capable of giving a vulcanized rubber which has an excellent processability and a sufficient wearing resistance and which is useful for a tire. A rubber composition in the invention is obtained by the following step of preparing a first rubber formulation [P1] by kneading a formulation (A1) comprising a rubber component containing a conjugated diene-based rubber and a silica, preparing a second rubber formulation [P2] by kneading a formulation (B1) comprising a mixed material containing a silane coupling agent and the first rubber formulation [P1], and kneading a formulation (C) comprising the second rubber formulation [P2], a zinc oxide and a vulcanizing agent. Such conjugated diene-based rubber is preferably one having at least one selected from the group consisting of an alkoxysilyl, an amino, a hydroxyl and an epoxy groups.
    • 本发明的目的是提供一种橡胶组合物及其制造方法,该橡胶组合物及其制造方法能够提供具有优异的加工性能和足够的耐磨性并且可用于轮胎的硫化橡胶。 通过以下步骤制备本发明的橡胶组合物,通过捏合包含含有共轭二烯系橡胶的橡胶成分和二氧化硅的配方(A1)制备第一橡胶配方[P1],制备第二橡胶配方[P2 ]通过捏合包含含有硅烷偶联剂的混合材料和第一橡胶制剂[P1]的制剂(B1),并捏合包含第二橡胶制剂[P2]的制剂(C),氧化锌和硫化剂。 这样的共轭二烯类橡胶优选为具有选自烷氧基甲硅烷基,氨基,羟基和环氧基中的至少一种的共轭二烯系橡胶。
    • 4. 发明授权
    • Oil extended rubber and rubber composition
    • 油延长橡胶和橡胶组成
    • US06362272B1
    • 2002-03-26
    • US09412592
    • 1999-10-06
    • Toshihiro TadakiNaokazu KobayashiHiroshi Akema
    • Toshihiro TadakiNaokazu KobayashiHiroshi Akema
    • C08K516
    • C08L19/006B60C1/0016C08L7/00C08L9/06C08L2666/08
    • An oil extended rubber comprising 100 parts by weight of (A) an amino group-containing copolymer rubber of a conjugated diolefin and an aromatic vinyl compound which contains bonded amino groups in the amount of 0.0025-0.20 mmol/g polymer, and 10-100 parts by weight of (B) an extensible oil. Carbon black, silica, a mixture of carbon black and silica, or a carbon-silica dual-phase-filler can be homogeneously dispersed in the oil extended rubber. Vulcanized products obtained by vulcanizing the rubber exhibits well-balanced improved properties such as wet skid properties, low hysteresis loss properties, abrasion resistance, and breaking strength, and are useful as a tread material for low fuel consumption tires, large tires, and high performance tires.
    • 一种油扩展橡胶,其包含100重量份的(A)共轭二烯烃的氨基共聚物橡胶和含有0.0025-0.20mmol / g聚合物的键合氨基的芳族乙烯基化合物,和10-100 (B)可延展油的重量份。 炭黑,二氧化硅,炭黑和二氧化硅的混合物或碳 - 二氧化硅双相填料可以均匀地分散在延油橡胶中。 通过硫化橡胶获得的硫化产品显示出良好平衡的改善的性能,例如湿滑性能,低滞后损耗性能,耐磨性和断裂强度,并且可用作低燃料消耗轮胎,大轮胎和高性能的胎面材料 轮胎
    • 5. 发明授权
    • Conjugated diolefin copolymer rubber and rubber composition
    • 共轭二烯共聚物橡胶和橡胶组合物
    • US06344518B1
    • 2002-02-05
    • US09433200
    • 1999-11-04
    • Naokazu KobayashiToshihiro TadakiHiroshi Akema
    • Naokazu KobayashiToshihiro TadakiHiroshi Akema
    • C08L8306
    • C08F236/10C08C19/44C08L15/00
    • A conjugated diolefin copolymer rubber and a rubber composition which can produce vulcanized products exhibiting well-balanced improved properties such as wet skid properties, low hysteresis loss properties, abrasion resistance, and breaking strength irrespective of the types and combinations of fillers to be added, and is useful as a tread material for low fuel consumption tires, large tires, and high performance tires. A conjugated diolefin copolymer rubber is prepared by the copolymerization of a conjugated diolefin and a vinyl aromatic compound, and (1) has a content of the bonded vinyl aromatic compound of 5-50 wt %, (2) contains 0.01-5.0 mmol of an alkoxysilyl group having substantially non-hydrolyzable Si—O—R bond (wherein R indicates a hydrocarbon group having 4-20 carbon atoms) and 0.01-2.0 mmol of a tin-carbon bond for 100 g of the copolymer rubber, and (3) has a polymodal-type molecular weight distribution.
    • 共轭二烯共聚物橡胶和橡胶组合物,其可以生产硫化产品,其显示出良好平衡的改善的性能,例如湿滑性能,低滞后损耗性能,耐磨性和断裂强度,而不考虑待添加的填料的类型和组合;以及 可用作低油耗轮胎,大型轮胎和高性能轮胎的胎面材料。 共轭二烯烃共聚物橡胶通过共轭二烯烃和乙烯基芳族化合物的共聚制备,和(1)粘合的乙烯基芳族化合物的含量为5-50重量%,(2)含有0.01-5.0毫摩尔 具有基本上不可水解的Si-OR键的烷氧基甲硅烷基(其中R表示具有4-20个碳原子的烃基)和0.01-2.0mmol的共聚物橡胶的锡 - 碳键,和(3)具有 多型分子量分布。
    • 6. 发明授权
    • Conjugated diolefin-based copolymer rubber and composition thereof
    • 共轭二烯基共聚物橡胶及其组合物
    • US06191234B1
    • 2001-02-20
    • US09210793
    • 1998-12-15
    • Toshihiro TadakiTamotsu NagaokaHiroshi AkemaIwakazu Hattori
    • Toshihiro TadakiTamotsu NagaokaHiroshi AkemaIwakazu Hattori
    • C08F832
    • B60C1/0016C08C19/44C08F236/10C08L19/006
    • 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.
    • 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。
    • 7. 发明授权
    • Rubber composition
    • 橡胶组成
    • US06699935B2
    • 2004-03-02
    • US10069665
    • 2002-02-28
    • Hiroshi AkemaToshihiro TadakiYoshiyuki UdagawaTomohisa KonnoTakafumi FuekiHajime Kondou
    • Hiroshi AkemaToshihiro TadakiYoshiyuki UdagawaTomohisa KonnoTakafumi FuekiHajime Kondou
    • C08F800
    • C08L19/006C08K3/013C08L9/06C08L2205/02Y02T10/862
    • It is an object of the present invention to provide a rubber composition which can give a vulcanized rubber with low rolling resistance and excellent wet skid resistance and wear resistance, which is particularly useful for automobile tire treads and the like. The rubber composition of the invention comprises (1) a crosslinked rubber particle containing, as repeating units, 40 to 79.99% by weight of a monomer unit formed by a conjugated diene such as 1,3-butadiene, 20 to 50% by weight of a monomer unit formed by an aromatic vinyl monomer such as styrene and 0.01 to 10% by weight of a monomer unit formed by a monomer having at least two polymerizable unsaturated groups such as divinylbenzene, and (2) a conjugated diene/aromatic vinyl copolymeric rubber whose vinyl content of the conjugated diene monomer unit is 10 to 30% and whose 1,4-trans bond content is more than 55%, such as styrene-butadiene copolymeric rubber. The crosslinked rubber particle may also contain a repeating unit composed of a monomer having one polymerizable unsaturated group and carboxylic group, hydroxyl group and/or epoxy group.
    • 本发明的一个目的是提供一种橡胶组合物,其可以赋予具有低滚动阻力和优异的抗湿滑性和耐磨性的硫化橡胶,这对汽车轮胎胎面等特别有用。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的40至79.99重量%的由共轭二烯如1,3-丁二烯形成的单体单元,20至50重量%的由 芳族乙烯基单体如苯乙烯和0.01至10重量%的由具有至少两个可聚合不饱和基团的单体如二乙烯基苯形成的单体单元,和(2)共轭二烯/芳族乙烯基共聚橡胶,其共轭 二烯单体单元为10〜30%,1,4-反式键含量大于55%,如苯乙烯 - 丁二烯共聚橡胶。 交联橡胶粒子也可以含有由具有一个聚合性不饱和基团和羧基,羟基和/或环氧基的单体构成的重复单元。
    • 8. 发明授权
    • Crosslinked rubber particles and rubber compositions
    • 交联橡胶颗粒和橡胶组合物
    • US06977286B2
    • 2005-12-20
    • US10762357
    • 2004-01-23
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • C08L9/06C08L21/00C08F118/00
    • C08L21/00C08L9/00C08L9/02C08L9/06C08L15/00C08L19/006C08L23/16C08L33/066C08L2205/22C08L2312/00Y10S525/901Y10S525/914Y10S526/909C08L2666/08
    • 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.
    • 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%。
    • 9. 发明授权
    • Rubber compositions
    • 橡胶组合物
    • US06653404B2
    • 2003-11-25
    • US09843864
    • 2001-04-30
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • C08L5100
    • C08L9/06C08K3/36C08L2666/08
    • A rubber composition having satisfactory processability and dimension stability, exhibits excellent tensile strength and wearing resistance when vulcanized and comprises (1) a crosslinked rubber particle containing as repeating units (a) 39.89 to 79.89% by weight of a conjugated diene unit such as 1,3-butadiene or the like, (b) 20 to 60% by weight of an aromatic vinyl unit such as styrene, (c) 0.01 to 10% by weight of a monomer unit having at least two polymerizable unsaturated group such as divinylbenzene, and the like, and (d) 0.1 to 30% by weight of a monomer unit having one polymerizable unsaturated group and an amino group such as vinylbenzylmethylamine, and the like and (2) a conjugated diene/aromatic vinyl copolymeric rubber such as styrene-butadiene copolymeric rubber and the like.
    • 具有令人满意的加工性和尺寸稳定性的橡胶组合物在硫化时表现出优异的拉伸强度和耐磨性,并且包括(1)含有作为重复单元(a)的交联橡胶颗粒,39.89至79.89重量%的共轭二烯单元如1, 3-丁二烯等,(b)20〜60重量%的芳族乙烯基单元如苯乙烯,(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如二乙烯基苯,和 (d)0.1〜30重量%的具有1个聚合性不饱和基团和氨基的单体单元如乙烯基苄基甲基胺等,(2)共轭二烯/芳族乙烯基共聚橡胶如苯乙烯 - 丁二烯 共聚橡胶等。
    • 10. 发明授权
    • Crosslinked rubber particles and rubber compositions
    • 交联橡胶颗粒和橡胶组合物
    • US06747095B2
    • 2004-06-08
    • US09842162
    • 2001-04-26
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • Tomohisa KonnoToshihiro TadakiYoshiyuki UdagawaHiroshi Akema
    • C08L5300
    • C08L21/00C08L9/00C08L9/02C08L9/06C08L15/00C08L19/006C08L23/16C08L33/066C08L2205/22C08L2312/00Y10S525/901Y10S525/914Y10S526/909C08L2666/08
    • 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.
    • 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%。