A rubber composition for use in a tire tread is disclosed. The rubber composition comprises a diene elastomer, a pre-hydrophobated silica, a blocked mercaptosilane, a resin, and a relatively low molecular weight polybutadiene functionalized with a hydroxyl functional group. The pre-hydrophobated silica is hydrophobated prior to its addition the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes and optionally at least one dispersing aid selected from the group consisting of fatty acids, diethylene glycols, polyethylene glycols, fatty acid esters of hydrogenated or non-hydrogenated C 5 or C 6 sugars, polyoxyethylene derivatives of fatty acid esters of hydrogenated or non-hydrogenated C 5 or C 6 sugars.


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    Title :

    RUBBER COMPOSITION AND PNEUMATIC TIRE HAVING TREAD WITH HYDROXY-TERMINATED POLYBUTADIENE


    Additional title:

    KAUTSCHUKZUSAMMENSETZUNG UND LUFTREIFEN MIT LAUFFLÄCHE MIT HYDROXYTERMINIERTEM POLYBUTADIEN
    COMPOSITION DE CAOUTCHOUC ET PNEUMATIQUE AYANT UNE BANDE DE ROULEMENT COMPORTANT UN POLYBUTADIÈNE À TERMINAISON HYDROXY



    Publication date :

    2020-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



    Pneumatic tire having tread with hydroxy-terminated polybutadiene

    BROEMMEL ANTONIA FELICITAS / TAHON JULIA MARTINE FRANCOISE CLAUDINE / SCHMIT PHILIPPE et al. | European Patent Office | 2020

    Free access

    Pneumatic tire having tread with hydroxy-terminated polybutadiene

    BROEMMEL ANTONIA FELICITAS / TAHON JULIA MARTINE FRANCOISE CLAUDINE / KORFMANN TIMO BENJAMIN et al. | European Patent Office | 2019

    Free access

    PNEUMATIC TIRE HAVING TREAD WITH HYDROXY-TERMINATED POLYBUTADIENE

    BROEMMEL ANTONIA FELICITAS / TAHON JULIA MARTINE FRANCOISE CLAUDINE / KORFMANN TIMO BENJAMIN et al. | European Patent Office | 2019

    Free access

    PNEUMATIC TIRE HAVING TREAD WITH HYDROXY-TERMINATED POLYBUTADIENE

    BROEMMEL ANTONIA FELICITAS / TAHON JULIA MARTINE FRANCOISE CLAUDINE / SCHMIT PHILIPPE et al. | European Patent Office | 2020

    Free access

    PNEUMATIC TIRE HAVING A TREAD WITH AN HYDROXY-TERMINATED POLYBUTADIENE

    BROEMMEL ANTONIA FELICITAS / TAHON JULIA MARTINE FRANCOISE CLAUDINE / KORFMANN TIMO BENJAMIN et al. | European Patent Office | 2020

    Free access