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    • 1. 发明授权
    • Silica reinforced rubber composition and article with component thereof, including tires
    • 二氧化硅增强橡胶组合物及其组分的制品,包括轮胎
    • US06809135B2
    • 2004-10-26
    • US09838487
    • 2001-04-19
    • Daniel Edward Bowen, IIIEric Sean Castner
    • Daniel Edward Bowen, IIIEric Sean Castner
    • C08K557
    • C08K5/57B60C1/0016C08K5/0091C08K5/56C08K9/04C08L21/00
    • The present invention relates to the preparation of silica reinforced rubber compositions and to articles of manufacture which contain at least one component comprised thereof. Such article of manufacture may be a tire. The silica reinforced rubber composition comprises at least one elastomer, silica, and an organo-metal additive of least one of organo-tin, organo-titanium, and/or organo-zirconium compound, preferably to an exclusion of additional additives to the rubber composition which will readily react with hydroxyl groups (e.g. silanol groups) on the surface of the silica to create an alcohol such as, for example, alkylsilane, alkoxysilane, and bis-(3-alkoxysilylalkyl) polysulfide compounds. Such organo-metal compound may have a valance of four and in the case of the organo-tin compound may have a valance of four or two, preferably four. Such organo-metal compound may be selected from, for example, dibutyltin dilaurate, tin(II) 2-ethylhexanoate, dibutoxytitanium bis-2,4-pentanedionate, and dibutoxyzirconium bis-2,4-pentanedionate.
    • 本发明涉及二氧化硅增强橡胶组合物的制备以及含有至少一种组分的制品。 这种制品可以是轮胎。 二氧化硅增强橡胶组合物包含至少一种弹性体,二氧化硅和至少一种有机锡,和/或有机锆化合物的有机金属添加剂,优选排除橡胶组合物的额外添加剂 其将容易与二氧化硅表面上的羟基(例如硅烷醇基团)反应以产生醇,例如烷基硅烷,烷氧基硅烷和双 - (3-烷氧基甲硅烷基烷基)多硫化物。 这种有机金属化合物可以具有四价,在有机锡化合物的情况下可以具有四或二,优选四价。 这种有机金属化合物可以选自,例如,二月桂酸二丁基锡(II)2-乙基己酸,dibutoxytitanium双-2,4-戊二酮,和双dibutoxyzirconium 2,4-戊二酮。