A rubber composition based at least on a reinforcing filler, on a Lewis or Bronsted acid and on a modified diene elastomer is provided. The diene elastomer bears one or more pendant associative groups comprising at least one nitrogen atom. The diene elastomer before modification is obtained by stereospecific polymerization in the presence of a neodymium-based Ziegler-Natta catalytic system. The Lewis acid is selected from the group consisting of aluminium oxides, titanium oxides and the compounds M(L)n, with M being boron, magnesium, aluminium, titanium, iron, zinc, indium or ytterbium, L being a monodentate or bidendate ligand and n being an integer ranging from 2 to 4. The Bronsted acid is selected from the group consisting of sulfonic acids. Such a composition exhibits a very low hysteresis.


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    Titel :

    REINFORCED RUBBER COMPOSITION COMPRISING A FUNCTIONAL DIENE ELASTOMER


    Beteiligte:

    Erscheinungsdatum :

    22.11.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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