A rubber composition for use in a tread of a pneumatic tire is disclosed. The rubber composition comprises, based upon parts by weight per 100 parts by weight of rubber (phr): (A) elastomers comprising: (1) from 82 to 100 phr of a solution polymerization prepared functionalized styrene/butadiene rubber (SSBR) wherein said SSBR is functionalized with a combination of alkoxysilane group and at least one of primary amine and thiol units wherein said rubber has a Tg in a range of from - 40 to -10°C; (2) from 0 to 18 phr of a cis 1,4-polybutadiene rubber; (B) from 50 to 120 phr of a reinforcing filler comprising silica: (C) a coupling agent; and (D) from 24 to 50 phr of paraffinic/naphthenic rubber processing oil having a pour point in the range of -80°C to 0°C and a paraffinic oil content of from 30 to 55 weight percent and a naphthenic oil content of from 25 to 50 weight percent. The functionalized SSBR has a bound styrene content in a range of from 10 to 50 percent.


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    Titel :

    RUBBER COMPOSITION AND TIRE WITH SILICA-RICH RUBBER TREAD


    Weitere Titelangaben:

    KAUTSCHUKZUSAMMENSETZUNG UND REIFEN MIT KIESELSÄUREREICHER KAUTSCHUKLAUFFLÄCHE
    COMPOSITION DE CAOUTCHOUC ET PNEU COMPORTANT UNE SEMELLE D'USURE EN CAOUTCHOUC À FORTE TENEUR EN SILICIUM


    Beteiligte:

    Erscheinungsdatum :

    02.01.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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