The problem of the present invention is to provide a rubber composition for tire treads having high silica dispersibility while also having excellent processability. The rubber composition for tire treads of the present invention contains a diene rubber, silica and a silane coupling agent, wherein the silane coupling agent is a polysiloxane represented by a specific average composition formula, the silica content is from 5 to 200 parts by mass per 100 parts by mass of the diene rubber, and the silane coupling agent content is from 1 to 20 mass% relative to the silica content.


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    Title :

    TIRE TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE


    Additional title:

    REIFENPROFILKAUTSCHUKZUSAMMENSETZUNG UND LUFTREIFEN MIT LAUFFLÄCHE
    COMPOSITION DE CAOUTCHOUC POUR BANDE DE ROULEMENT, ET PNEUMATIQUE


    Contributors:
    AKAHORI YAYOI (author) / SATO MASAKI (author)

    Publication date :

    2017-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / 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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