A rubber composition and a tire comprising such a rubber composition is disclosed. The rubber composition comprises, based upon parts by weight per 100 parts by weight of rubber (phr): (A) 100 phr of at least one diene-based elastomer comprising at least one functionalized diene-based elastomer; and (B) 30 to 120 phr of a reinforcing filler comprising: (1) silica, or (2) a combination of silica and a rubber reinforcing carbon black containing up to 65 phr of rubber reinforcing carbon black; wherein the silica comprises: (a) pre-hydrophobated silica and, optionally, a silica coupling agent added to the rubber composition, or (b) combination of pre-hydrophobated silica and hydropohilic silica and, optionally, a silica coupling agent added to the rubber composition, wherein the pre-hydrophobated silica is hydrophobated prior to its addition to the rubber composition; and wherein the additional diene-based elastomer comprises of at least one polymer of at least one of isoprene and 1,3-butadiene and copolymers of styrene and at least one of isoprene and 1,3-butadiene.


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    Title :

    Tire rubber composition and comprising a functionalized elastomer and pre-treated silica


    Additional title:

    Reifengummizusammensetzung, das ein funktionalisiertes Elastomer und vorbehandelte Kieselsäure enthält
    Composition de caoutchouc pour pneu et comprenant un élastomère fonctionnalisé et silice prétraitée



    Publication date :

    2017-11-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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