To provide a rubber composition for tire treads that enhances processability, wet performance, and wear resistance beyond conventional levels. The rubber composition contains: a diene rubber; from 1 to 25 parts by weight of an aromatic modified terpene resin; from 80 to 150 parts by weight of a silica; from 5 to 50 parts by weight of a carbon black; an oil component, per 100 parts by weight of the diene rubber; and from 0.1 to 20 wt.% of the weight of the silica of an alkyltriethoxysilane having an alkyl group having from 3 to 20 carbons, the diene rubber containing from 10 to 30 wt.% of a natural rubber, from 10 to 30 wt.% of a solution polymerized styrene butadiene rubber having a styrene unit content of 30 to 40 wt.% and from 80 to 40 wt.% of an emulsion polymerized styrene butadiene rubber, and a ratio of a total amount W oil of an oil-extending component contained in the solution polymerized styrene butadiene rubber and/or the emulsion polymerized styrene butadiene rubber, the aromatic modified terpene resin, and the oil component to a weight W NR of the natural rubber (W oil /W NR ) being from 3.0 to 4.0.


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    Titel :

    RUBBER COMPOSITION FOR TIRE TREADS


    Weitere Titelangaben:

    KAUTSCHUKZUSAMMENSETZUNG FÜR REIFENPROFILE
    COMPOSITION DE CAOUTCHOUC POUR BANDES DE ROULEMENT


    Beteiligte:
    IIZUKA YUSUKE (Autor:in)

    Erscheinungsdatum :

    2020-04-01


    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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