Provided is a rubber composition for tire treads, which has low rolling resistance and also has wet performance that is improved to a higher level than those of conventional rubber compositions, while maintaining or improving extrusion processability thereof. A rubber composition which contains 100 parts by weight of a diene rubber containing 50 wt% or more of a hydroxyl-group-containing modified styrene butadiene rubber and 60 to 130 parts by weight of a silica, said rubber composition being characterized in that the ratio of the weight of an oil to the weight of a filler containing the silica is adjusted to 0.25 or less and a silane coupling agent having a mercapto group and a Si-O bond and diethylene glycol are contained in amounts of 4 to 15 wt% and 1 to 6 wt%, respectively, relative to the amount of the silica.


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    Titel :

    Rubber composition for tire treads


    Beteiligte:
    SATO MASAKI (Autor:in) / MIHARA SATOSHI (Autor:in) / AKAHORI YAYOI (Autor:in) / TSUKISHIMA SHIN (Autor:in) / NAKA AYUMI (Autor:in)

    Erscheinungsdatum :

    2015-06-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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