PROBLEM TO BE SOLVED: To provide a pneumatic tire having improved rubber breaking strength and abrasion resistance while maintaining or improving good low fuel consumption with good productivity.SOLUTION: There is provided a pneumatic tire manufactured by using a rubber composition containing a hydrogenation copolymer obtained by copolymerizing an aromatic vinyl compound and a conjugated diene compound and having hydrogenation percentage of a conjugated diene part of 75 mol% or more, first silica and second silica, where the content of the hydrogenation copolymer is 75 mass% in 100 mass% of the rubber component, the first silica has CTAB specific surface area of 180 m/g or more, BET specific surface area of 185 m/g or more and aggregate size of 45 nm or more, the second silica has CTAB specific surface area of 95 m/g or more, BET specific surface area of 100 m/g.SELECTED DRAWING: None

    【課題】低燃費性が改善されるとともに、ゴム破壊強度及び耐摩耗性が改善された空気入りタイヤを生産性良く提供する。【解決手段】ゴム組成物を用いて作製した空気入りタイヤであって、前記ゴム組成物は、芳香族ビニル化合物及び共役ジエン化合物を共重合して得られた、共役ジエン部の水素添加率が75モル%以上である水添共重合体と、第一シリカと第二シリカとを含み、ゴム成分100質量%中の前記水添共重合体の含有量が75質量%以上であり、前記第一シリカは、CTAB比表面積が180m2/g以上、BET比表面積が185m2/g以上、アグリゲートサイズが45nm以上であり、前記第二シリカは、CTAB比表面積が95m2/g以下、BET比表面積が100m2/g以下である空気入りタイヤ。【選択図】なし


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    Titel :

    PNEUMATIC TIRE


    Weitere Titelangaben:

    空気入りタイヤ


    Beteiligte:
    NAKAZONO TAKEO (Autor:in) / YAMASHIRO YUHEI (Autor:in) / ISHINO TAKASHI (Autor:in)

    Erscheinungsdatum :

    2016-04-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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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