To improve wet grip performance while suppressing deterioration in low heat build-up performance.SOLUTION: A rubber composition for tires according to an embodiment contains 1-50 pts.mass of a partially hydrogenated polystyrene resin based on 100 pts.mass of a diene rubber component containing a styrene-butadiene rubber. A pneumatic tire according to an embodiment is manufactured using the rubber composition for tires.SELECTED DRAWING: None

    【課題】低発熱性能の悪化を抑えながらウェットグリップ性能を向上する。【解決手段】実施形態に係るタイヤ用ゴム組成物は、スチレンブタジエンゴムを含むジエン系ゴム成分100質量部に対して、部分水添ポリスチレン樹脂1〜50質量部を含むものである。また、実施形態に係る空気入りタイヤは、該タイヤ用ゴム組成物を用いて作製されたものである。【選択図】なし


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    Title :

    RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE


    Additional title:

    タイヤ用ゴム組成物及び空気入りタイヤ


    Contributors:

    Publication date :

    2020-07-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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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