A rubber composition for use in a pneumatic tire, preferably in a tread of such a tire is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr):(A) one or more conjugated diene-based elastomers comprising:(1) from 75 to 100 phr of at least one styrene/butadiene elastomer (SSBR) pre-extended with a vegetable triglyceride oil, wherein said at least one SSBR has a Tg in a range of from -20°C to +10°C and a bound styrene content in a range of from 25 to 50 percent,(2) from zero to 25 phr of at least one additional conjugated diene-based elastomer comprising at least one of polybutadiene, cis 1,4-polyisoprene rubber and a further styrene/butadiene elastomer different from said at least one SSBR;(B) from 80 to 200 phr of a reinforcing filler; and(C) from 10 to 70 phr of a resin comprising at least one of styrene/alphamethylstyrene copolymer resin, terpene-phenol resin, coumarone-indene resin, petroleum hydrocarbon resin, terpene polymer resin, rosin derived resin, rosin acid resin, and modified rosin acid resin.


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    Title :

    RUBBER COMPOSITION AND TIRE WITH TREAD CONTAINING VEGETABLE OIL EXTENDED HIGH TG STYRENE/BUTADIENE ELASTOMER AND TRACTION RESIN


    Additional title:

    KAUTSCHUKZUSAMMENSETZUNG UND REIFEN MIT LAUFFLÄCHE, DIE HOCH TG STYROL/BUTADIENELASTOMER ENTHÄLT, DAS MIT PFLANZLICHEM ÖL VERLÄNGERT IST, UND TRAKTIONSHARZ
    COMPOSITION DE CAOUTCHOUC ET PNEUMATIQUE AYANT UNE BANDE DE ROULEMENT CONTENANT UN ÉLASTOMÈRE DE STYRÈNE/BUTADIÈNE HAUTE TG ÉTENDU À L'HUILE VÉGÉTALE, ET DE LA RÉSINE DE TRACTION



    Publication date :

    2020-12-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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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