To achieve both wet grip performance and wear resistance performance.SOLUTION: A rubber composition for tires according to an embodiment contains 1-50 pts.mass of a partially hydrogenated polystyrene resin having a hydrogenation rate of 5-50% based on 100 pts.mass of a diene rubber component having a glass transition temperature of -40°C or lower. A pneumatic tire according to an embodiment is manufactured using the rubber composition for tires.SELECTED DRAWING: None

    【課題】ウェットグリップ性能と耐摩耗性能を両立する。【解決手段】実施形態に係るタイヤ用ゴム組成物は、ガラス転移温度が−40℃以下であるジエン系ゴム成分100質量部に対して、水添率が5〜50%の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。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:    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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