PROBLEM TO BE SOLVED: To provide a rubber composition excellent in high mileage property and wear resistance, and a tire having a tread constituted by the rubber composition.SOLUTION: The rubber composition comprises 100 pts.mass of a rubber component including (a) a predetermined styrene butadiene rubber 1, (b) a predetermined styrene butadiene rubber 2, and (c) a predetermined high cis-butadiene rubber, a predetermined amount of silica, a silane coupling agent 1 represented by formula (I), and a bis(3-triethoxysilylpropyl) disulfide (silane coupling agent 2), and the rubber composition is obtained by using MB1 (master batch) comprising SBR1, silica and silane coupling agent 2, and MB2 comprising SBR2, silica and silane coupling agent 1. The tire has a tread constituted by the above rubber composition.SELECTED DRAWING: None

    【課題】低燃費性および耐摩耗性に優れたゴム組成物、ならびにそのゴム組成物により構成されたトレッドを有するタイヤを提供すること。【解決手段】(a)所定のスチレンブタジエンゴム1、(b)所定のスチレンブタジエンゴム2、および(c)所定のハイシスブタジエンゴムを含むゴム成分100質量部、所定量のシリカ、式(I):で表されるシランカップリング剤1、ならびにビス(3−トリエトキシシリルプロピル)ジスルフィド(シランカップリング剤2)を含むゴム組成物であって、SBR1、シリカおよびシランカップリング剤2を含むMB1、ならびにSBR2、シリカおよびシランカップリング剤1を含むMB2を用いて得られるゴム組成物、およびそのゴム組成物により構成されたトレッドを有するタイヤ。【選択図】なし


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    Title :

    RUBBER COMPOSITION AND TIRE


    Additional title:

    ゴム組成物およびタイヤ


    Contributors:

    Publication date :

    2016-10-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / 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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