The present disclosure provides a coating rubber composition for tire reinforcing members having excellent thermal degradation resistance, including a rubber component, carbon black, a cobalt compound, and an amine-based antioxidant. The rubber component contains 60 to 100 mass% of an isoprene skeleton rubber. The content of the cobalt compound in cobalt equivalent is 0.21 parts by mass or more and 0.6 parts by mass or less per 100 parts by mass of the rubber component. The amine-based antioxidant is represented by the following general formula (1):where R1 and R2 are each independently a monovalent saturated hydrocarbon group. The content of the amine-based antioxidant is 0.1 parts by mass or more per 100 parts by mass of the rubber component.


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    Titel :

    COATING RUBBER COMPOSITION FOR TIRE-REINFORCING MATERIAL, AND TIRE


    Weitere Titelangaben:

    BESCHICHTUNGSKAUTSCHUKZUSAMMENSETZUNG FÜR REIFENVERSTÄRKUNGSMATERIAL UND REIFEN
    COMPOSITION DE CAOUTCHOUC DE REVÊTEMENT POUR MATÉRIAU DE RENFORCEMENT DE PNEU, ET PNEU


    Beteiligte:
    SAITO JUNKO (Autor:in) / HIDAKA HITOMI (Autor:in)

    Erscheinungsdatum :

    26.02.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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