A tire tread comprises a composition based on at least an elastomer matrix comprising a polyisoprene and an unsaturated thermoplastic styrene elastomer which represents at most 50% by weight of the elastomer matrix, a reinforcing filler and a crosslinking system. The unsaturated thermoplastic styrene elastomer comprises at least one rigid styrene segment and at least one flexible isoprene segment, which at least one flexible isoprene segment has a glass transition temperature of less than −20° C. Such a tread exhibits an improved resistance to crack propagation.


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    Title :

    Tire tread comprising a thermoplastic elastomer



    Publication date :

    2018-09-25


    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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