A rubber composition is disclosed comprising a diene-based elastomer, a filler that includes an inorganic filler, preferably silica, and a plurality of silane compounds comprising: a bis(dialkylalkoxysilyl-alkyl) polysulfide coupling agent having the general formula R2(R1O)Si-(CH2)n- Sp- (CH2)m - Si(OR2)R32; and at least one alkoxysilane compound selected from the group consisting of: a hydrophobating bis(trialkoxyl)silane coupling agent having the general formula (R1O)3Si - R4 - Si(OR2)3 and a hydrophobating mono(trialkoxyl)silane dispersing agent having the general formula (R1O)3Si - R5; wherein R, R1, R2, and R3 may be identical or different, each being selected from a monovalent C1 to C5 straight chain or branched alkyl groups, R4 is selected from a divalent C3 to C18 straight chain or branched alkyl or alkenyl groups or aromatic groups, R5 is selected from a monovalent C3 to C18 straight chain or branched alkyl or alkenyl groups or aromatic groups, m and n may be identical or different, each being in a range from 3 to 18, and p is in a range from 2 to 4. Also disclosed is a tire tread and a tire comprising such a rubber composition.


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    Title :

    SILICA REINFORCED RUBBER COMPOSITION AND TIRE COMPONENT


    Additional title:

    MIT KIESELSÄURE VERSTÄRKTE KAUTSCHUKZUSAMMENSETZUNG UND REIFENKOMPONENTE
    COMPOSITION DE CAOUTCHOUC RENFORCÉ DE SILICE ET COMPOSANT DE PNEU



    Publication date :

    2023-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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