To provide a rubber composition for bead fillers that exhibits rubber hardness and low heat generation that surpass conventional levels, while ensuring processability.SOLUTION: A rubber composition for bead fillers contains a diene rubber composed of 30 mass% or more of an isoprene rubber and 20-70 mass% of a hydrogenated aromatic vinyl-conjugated diene copolymer, where the hydrogenated aromatic vinyl-conjugated diene copolymer has a hydrogenation rate of 60-80%.SELECTED DRAWING: None

    【課題】加工性を確保しながら、ゴム硬度および低発熱性を従来レベル以上に優れたものにするビードフィラー用ゴム組成物を提供する。【解決手段】イソプレン系ゴムを30質量%以上および水添芳香族ビニル-共役ジエン共重合体を20~70質量%からなるジエン系ゴムを含み、前記水添芳香族ビニル-共役ジエン共重合体の水添率が60~80%であることを特徴とする。【選択図】なし


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    Title :

    RUBBER COMPOSITION FOR BEAD FILLER


    Additional title:

    ビードフィラー用ゴム組成物


    Contributors:

    Publication date :

    2024-11-28


    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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