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.


    Access

    Download


    Export, share and cite



    Title :

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


    Additional title:

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


    Contributors:

    Publication date :

    2025-05-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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

    KOSAI TOMOYUKI / KUMAKI KENTARO / YAGI REIKO | European Patent Office | 2024

    Free access

    POLYMER PARTICLES AND PRODUCTION METHOD THEREFOR, RUBBER COMPOSITION AND TIRE

    FUKUNISHI TOMOJI | European Patent Office | 2021

    Free access

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

    KODA DAISUKE / HIRATA MEGUMI | European Patent Office | 2016

    Free access

    RUBBER COMPOSITION, PRODUCTION METHOD THEREFOR, AND TIRE

    IZUMOTO AKIKO | European Patent Office | 2019

    Free access

    RUBBER COMPOSITION, PRODUCTION METHOD THEREFOR, AND TIRE

    IZUMOTO AKIKO | European Patent Office | 2021

    Free access