To provide a rubber composition for tire bead insulation rubber or bead cover rubber that is excellent in low heat build-up properties and can exhibit high steering stability of a tire.SOLUTION: A rubber composition for tire bead insulation rubber or bead cover rubber contains a rubber component, a filler containing carbon black, and a phenolic resin. The content of the filler is 60 pts.mass or more and 120 pts.mass or less with respect to 100 pts.mass of the rubber component. The content of the phenolic resin is 25 pts.mass or more and 60 pts.mass or less with respect to 100 pts.mass of the rubber component.SELECTED DRAWING: Figure 1

    【課題】低発熱性に優れるとともに、タイヤに対して高い操縦安定性を発揮することができる、タイヤのビードインシュレーションゴム又はビードカバーゴム用ゴム組成物を提供する。【解決手段】ゴム成分と、カーボンブラックを含む充填剤と、フェノール系樹脂とを含有し、前記充填剤の含有量が、ゴム成分100質量部に対して60質量部以上120質量部以下であり、前記フェノール系樹脂の含有量が、ゴム成分100質量部に対して25質量部以上60質量部以下である、ことを特徴とする、タイヤのビードインシュレーションゴム又はビードカバーゴム用ゴム組成物。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    RUBBER COMPOSITION FOR BEAD INSULATION OR BEAD COVER, AND TIRE


    Additional title:

    ビードインシュレーション又はビードカバー用ゴム組成物、及びタイヤ


    Contributors:

    Publication date :

    2021-06-10


    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



    RUBBER COMPOSITION FOR BEAD INSULATION AND TIRE

    OZAKI MASATO | European Patent Office | 2024

    Free access

    RUBBER COMPOSITION FOR TIRE BEAD INSULATION AND PNEUMATIC TIRE

    KATO MANABU / TAKAHASHI RYOTA / OKAMATSU TAKAHIRO et al. | European Patent Office | 2017

    Free access

    Rubber composition for tire bead insulation and pneumatic tire

    KATO MANABU / TAKAHASHI RYOTA / OKAMATSU TAKAHIRO et al. | European Patent Office | 2017

    Free access

    RUBBER COMPOSITION FOR TIRE BEAD INSULATION, AND PNEUMATIC TIRE

    KATO MANABU / TAKAHASHI RYOTA / OKAMATSU TAKAHIRO et al. | European Patent Office | 2015

    Free access

    RUBBER COMPOSITION FOR TIRE BEAD INSULATION AND PNEUMATIC TIRE

    KATO MANABU / TAKAHASHI RYOTA / OKAMATSU TAKAHIRO et al. | European Patent Office | 2015

    Free access