An object of the present disclosure is to provide a polymer composition having excellent cold flow resistance, a production method therefor, a rubber composition including the polymer composition, and a tire using the rubber composition. The solution is a polymer composition comprising a diene-based polymer having a number-average molecular weight of 500,000 g/mol or more and a resin having a %H Ar value of 20 % or more and a softening point of 110 °C or higher, in which a content of the resin is 20 parts by mass or more with respect to 100 parts by mass of the diene-based polymer.


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    Titel :

    POLYMER COMPOSITION, PRODUCTION METHOD THEREFOR, RUBBER COMPOSITION, AND TIRE


    Weitere Titelangaben:

    POLYMERZUSAMMENSETZUNG, HERSTELLUNGSVERFAHREN DAFÜR, KAUTSCHUKZUSAMMENSETZUNG UND REIFEN
    COMPOSITION DE POLYMÈRE AINSI QUE PROCÉDÉ DE FABRICATION DE CELLE-CI, ET COMPOSITION DE CAOUTCHOUC AINSI QUE PNEUMATIQUE


    Beteiligte:
    KOSAI TOMOYUKI (Autor:in) / KUMAKI KENTARO (Autor:in) / YAGI REIKO (Autor:in)

    Erscheinungsdatum :

    14.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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