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    • 1. 发明申请
    • Diene rubber-inorganic compound composite and process for producing the same
    • 二烯橡胶 - 无机复合复合材料及其制备方法
    • US20050182159A1
    • 2005-08-18
    • US10506992
    • 2004-03-16
    • Yoshiyuki UdagawaTsukasa ToyoshimaToshihiro Tadaki
    • Yoshiyuki UdagawaTsukasa ToyoshimaToshihiro Tadaki
    • C08K3/22C08K3/34C08K11/00
    • C08K3/22C08L21/00
    • An objective of the present invention is to provide a production process capable of improving an operation efficiency of a diene-based rubber-inorganic compound composite during production by forming a composite having high dispersibility of an inorganic compound in a diene-based rubber and having relatively large crumb diameter upon coagulation. The present invention provides a process for producing a composite comprising a diene-based rubber and an inorganic compound represented by the general formula: wM.xSiOy.zH2O (where M is at least one metal element selected from the group consisting of Al, Mg, Ti and Ca, metal oxide thereof or metal hydroxide thereof, and w, x, y, and z are an integer of from 1 to 5, an integer of from 0 to 10, an integer of from 2 to 5, and an integer of from 0 to 10, respectively.), and comprises a step of mixing the inorganic compound and/or a material capable of forming the inorganic compound, an anionic compound and a dispersion liquid of the diene-based rubber.
    • 本发明的目的是提供一种能够通过在二烯类橡胶中形成具有高分散性的二烯系橡胶中具有较高分散性的复合体,能够提高二烯类橡胶 - 无机复合复合材料的生产效率的制造方法 凝结时的大屑直径。 本发明提供了一种制备复合材料的方法,所述复合材料包括二烯类橡胶和由以下通式表示的无机化合物:其中,R 1和R 2各自独立地表示: M是选自Al,Mg,Ti和Ca中的至少一种金属元素,其金属氧化物或其金属氢氧化物,w,x,y和z是1至5的整数, 0〜10,2〜5的整数,0〜10的整数),包括将无机化合物和/或能够形成无机化合物的材料,阴离子化合物 和二烯系橡胶的分散液。
    • 7. 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%。
    • 8. 发明授权
    • Methods for producing diene-based rubber/inorganic compound complexes and rubber compositions containing the same
    • 生产二烯系橡胶/无机复合配合物的方法和含有它们的橡胶组合物
    • US06740704B2
    • 2004-05-25
    • US10011739
    • 2001-12-11
    • Tomohisa KonnoYoshiyuki UdagawaToshihiro Tadaki
    • Tomohisa KonnoYoshiyuki UdagawaToshihiro Tadaki
    • C08L900
    • B60C1/0016B60C1/0025C08J3/215C08J2321/00C08K3/013C08L21/00
    • 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.
    • 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。
    • 9. 发明授权
    • Rubber compositions
    • 橡胶组合物
    • US06559219B2
    • 2003-05-06
    • US09842806
    • 2001-04-27
    • Toshihiro TadakiTomohisa KonnoYoshiyuki UdagawaHiroshi Akema
    • Toshihiro TadakiTomohisa KonnoYoshiyuki UdagawaHiroshi Akema
    • C08K304
    • C08L9/06C08L9/00C08L9/02C08L21/00C08L2666/08
    • A rubber composition of the invention comprises [1] a cross inked rubber particle component whose toluene-insolubles is 50% by weight or more and whose number mean particle size is 3 to 1000 nm and [2] a non-crosslinked rubber component whose toluene-insolubles is less than 20% by weight. This crosslinked rubber particle component is a polymer comprising at least one selected from (1) a conjugated diene unit, (2) a conjugated diene unit and an &agr;,&bgr;-unsaturated nitrile unit and (3) a conjugated diene unit and an acrylate unit as well as a monomer unit having at least 2 polymerizable unsaturated groups. The non-crosslinked rubber component described above is a polymer co rising at least one selected from (a) a conjugated diene unit, (b) (a) plus an aromatic vinyl unit, (c) (a) plus an &agr;,&bgr;-unsaturated nitrile unit, (d) (a) plus an acrylate unit and (e) an ethylene unit and an &agr;-olefin unit having 3 to 12 carbon atoms.
    • 本发明的橡胶组合物包含[1]甲苯不溶物为50重量%以上且数均粒径为3〜1000nm的交联着色橡胶粒子成分,[2]一种非交联橡胶成分,其甲苯 - 不溶物小于20重量%。 该交联橡胶粒子成分是包含选自(1)共轭二烯单元,(2)共轭二烯单元和α,β-不饱和腈单元中的至少一种的聚合物,和(3)共轭二烯单元和丙烯酸酯单元 以及具有至少2个可聚合不饱和基团的单体单元。 上述非交联橡胶成分是选自(a)共轭二烯单元,(b)(a)和芳族乙烯基单元,(c)(a)加上α,β- 不饱和腈单元,(d)(a)加丙烯酸酯单元和(e)乙烯单元和具有3至12个碳原子的α-烯烃单元。
    • 10. 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%。