A rubber composition for a tire that can improve processability and wet grip performance while maintaining rupture strength that is a property of a hydrogenated copolymer, and a pneumatic tire using the same, are disclosed. A rubber composition for a tire comprising a rubber component containing a hydrogenated copolymer obtained by hydrogenating an aromatic vinyl-conjugated diene copolymer, the hydrogenated copolymer having a weight average molecular weight measured by gel permeation chromatography of 300,000 or more and having a hydrogenation ratio of a conjugated diene moiety of 80 mol % or more, and a resin having a softening point of 60° C. or higher, wherein the resin is at least one selected from the group consisting of a petroleum resin, a phenolic resin, a rosin resin and a terpene resin.


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    Titel :

    RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE USING SAME


    Beteiligte:

    Erscheinungsdatum :

    2020-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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