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    • 55. 发明授权
    • Rubber composite containing in situ formed filler reinforcement, article and tire comprising thereof
    • 包含原位形成的填料增强剂的橡胶复合材料,其制品和轮胎
    • US06797762B2
    • 2004-09-28
    • US10050001
    • 2002-01-15
    • Giorgio AgostiniThierry Florent Edme Materne
    • Giorgio AgostiniThierry Florent Edme Materne
    • C08K334
    • C08K9/06C08F36/04C08K9/04Y10T152/1081Y10T152/10846C08F4/025C08F2/44
    • This invention relates to a rubber composite made from an elastomer polymerized on the surface of a silanized filler, a rubber composition containing such composite and an article such as for example a tire, which has at least one component comprised of such composition. Such reinforcement is applied by polymerizating a conjugated diene hydrocarbon in the presence of a filler silanized with an alkenyl silane. In particular a silanized reinforcing filler is pre-treated with butyl lithium or peroxide catalyst, preferably with butyl lithium, followed by polymerizing a conjugated diene hydrocarbon in the presence of such treated filler via an anionic or free radical polymerization in an organic solvent. Such pre-formed elastomer composite is also contemplated as well as a rubber composition comprised of a blend of such pre-formed composite and at least one additional elastomer. Such filler may be, for example, precipitated silica, carbon black and/or a modified carbon black. A tire having a component of such composite or rubber composition such as, for example a tread, is also provided.
    • 本发明涉及一种由在硅烷化填料的表面上聚合的弹性体,含有这种复合材料的橡胶组合物制成的橡胶复合材料和具有至少一种由这种组合物构成的组分的制品,例如轮胎。 在通过烯基硅烷硅烷化的填料的存在下,共轭二烯烃聚合来施加这种增强。 特别地,硅烷化增强填料用丁基锂或过氧化物催化剂,优选用丁基锂预处理,然后在有机溶剂中通过阴离子或自由基聚合在这种处理过的填料存在下聚合共轭二烯烃。 还预期了这种预成型的弹性体复合材料以及由这种预成型复合材料和至少一种另外的弹性体的共混物组成的橡胶组合物。 这种填料可以是例如沉淀二氧化硅,炭黑和/或改性炭黑。 还提供了具有这种复合材料或橡胶组合物成分例如胎面的轮胎。
    • 58. 发明授权
    • Heterogeneous silica carbon black-filled rubber compound
    • 异质二氧化硅炭黑填充胶料
    • US06355719B1
    • 2002-03-12
    • US09627292
    • 2000-07-28
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • C08K304
    • C08J3/226C08J2321/00C08J2421/00C08K3/04C08K3/36C08L21/00
    • The present invention relates to a heterogeneous silica/carbon black-filled rubber compound and a process for making the same. The rubber compound has improved (lower) electrical resistivity compared to homogeneous silica-filled rubber compounds. The process comprises (a) intimately dispersing from 30 to 60 phr of a silica filler and 5 to 80 phr of a carbon black in a first rubber to form a first nonproductive compound; (b) intimately dispersing curatives in said first nonproductive compound to form a first productive compound; (c) separately intimately dispersing from 20 to 100 phr of a silica filler in a second rubber, which is different from said first rubber, to form a second nonproductive compound; and (d) intimately dispersing curatives in said second nonproductive compound to form a second productive compound; and (e) mixing said first productive compound with said second productive compound to form a heterogeneous silica/carbon black-filled rubber compound.
    • 本发明涉及非均相二氧化硅/炭黑填充橡胶化合物及其制造方法。 与均质二氧化硅填充的橡胶化合物相比,橡胶混合物具有改善的(较低的)电阻率。 该方法包括(a)在第一橡胶中从30至60phr的二氧化硅填料和5至80phr的炭黑紧密分散以形成第一非生产性化合物;(b)将固化剂密封地分散在所述第一非生产性化合物中以形成 第一生产性化合物;(c)在与所述第一橡胶不同的第二橡胶中分别从20至100phr的二氧化硅填料密度分散以形成第二非生产性化合物; 和(d)在所述第二非生产性化合物中密切分散固化剂以形成第二生产性化合物; 和(e)将所述第一生产性化合物与所述第二生产性化合物混合以形成非均相二氧化硅/炭黑填充的橡胶化合物。