To provide a tread rubber composition having improved general performance of dry grip performance and wear resistance, and a pneumatic tire having a tread composed of the tread rubber composition.SOLUTION: A tread rubber composition contains, relative to diene rubber 100 pts.mass, 3.0 pts.mass or more of aluminum hydroxide with an average particle size (D50) of 0.80 μm or more, and 6.0 pts.mass or more of alkylphenol resin.SELECTED DRAWING: None

    【課題】ドライグリップ性能および耐摩耗性能の総合性能が改善されたトレッド用ゴム組成物、および該トレッド用ゴム組成物により構成されたトレッドを有する空気入りタイヤを提供すること。【解決手段】ジエン系ゴム100質量部に対し、平均粒子径(D50)が0.80μm以上である水酸化アルミニウムを3.0質量部以上、およびアルキルフェノール系樹脂を6.0質量部以上含有するトレッド用ゴム組成物。【選択図】なし


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    Title :

    TREAD RUBBER COMPOSITION


    Additional title:

    トレッド用ゴム組成物


    Contributors:
    SUZUKI YUMI (author)

    Publication date :

    2020-11-05


    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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