The present invention is a method for producing a vulcanized rubber composition that contains a rubber component containing a polyisoprene rubber, and a syndiotactic 1,2-polybutadiene, wherein the syndiotactic 1,2-polybutadiene and the polyisoprene rubber are kneaded at a temperature higher by 10 to 100° C. than the melting point of the syndiotactic 1,2-polybutadiene, and the resultant unvulcanized rubber composition is vulcanized at a temperature falling within a range of the melting point of the syndiotactic 1,2-polybutadiene ±15° C. The method improves the crack growth resistance of the vulcanized rubber composition.


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    Titel :

    PRODUCTION METHOD FOR VULCANIZED RUBBER COMPOSITION


    Beteiligte:

    Erscheinungsdatum :

    31.12.2020


    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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