According to the process for preparing a vulcanized rubber composition of the invention comprising (a) a step of preparing a master batch comprising a butadiene rubber and silica, (b) a step of preparing a master batch comprising an isoprene rubber and silica, (c) a step of kneading the master batch obtained in (a) and the master batch obtained in (b), and (d) a step of vulcanizing a kneaded product obtained in (c), wherein the obtained vulcanized rubber composition has a BR phase and a IR phase which are incompatible with each other and comprises a predetermined amount of a terpene resin, a predetermined abundance ratio ± of silica in the BR phase satisfies 0.3¤±¤0.7 (Relation 1), and a proportion ² of the butadiene rubber satisfies 0.4¤²¤0.8 (Relation 2) it is possible to improve performance on ice, wet performance and abrasion resistance in good balance and to provide a vulcanized rubber composition having excellent performance on ice, wet performance and abrasion resistance, and a studless tire with a tread made using the same.


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    Titel :

    METHOD FOR PRODUCING VULCANIZED RUBBER COMPOSITION, VULCANIZED RUBBER COMPOSITION, AND STUDLESS TIRE USING SAME


    Weitere Titelangaben:

    VERFAHREN ZUR HERSTELLUNG EINER GUMMIZUSAMMENSETZUNG, GUMMIZUSAMMENSETZUNG UND SPIKELOSER REIFEN DAMIT
    PROCÉDÉ DE PRODUCTION D'UNE COMPOSITION DE CAOUTCHOUC VULCANISÉ, COMPOSITION DE CAOUTCHOUC VULCANISÉ, ET PNEU SANS CLOUS L'UTILISANT


    Beteiligte:
    TAKENAKA MIKAKO (Autor:in) / KOJIMA RYOJI (Autor:in)

    Erscheinungsdatum :

    2019-09-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08J Verarbeitung , WORKING-UP / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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