To provide a rubber composition for a side wall which has improved high speed durability performance.SOLUTION: A rubber composition for a side wall contains a rubber component and a thermoplastic resin, wherein the rubber component contains styrene butadiene rubber and/or butadiene rubber, a cis-1,4-bonded butadiene unit amount in the total amount of the rubber component is 80.0 mass% or less, and crack propagation speed measured under a predetermined condition is constant or less.SELECTED DRAWING: None

    【課題】高速耐久性能が改善されたサイドウォール用ゴム組成物を提供すること。【解決手段】ゴム成分および熱可塑性樹脂を含有するサイドウォール用ゴム組成物であって、ゴム成分が、スチレンブタジエンゴムおよび/またはブタジエンゴムを含み、ゴム成分全量中のシス-1,4-結合ブタジエン単位量が80.0質量%以下であり、所定の条件で測定したき裂進展速度が一定以下であるサイドウォール用ゴム組成物。【選択図】なし


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    Title :

    RUBBER COMPOSITION FOR SIDE WALL


    Additional title:

    サイドウォール用ゴム組成物


    Contributors:
    MORI KENJI (author)

    Publication date :

    2023-08-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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