A rubber composition for a heavy load tire comprises, based on 100 parts by weight of elastomer (phr), at least three diene elastomers each being a different rubber material. The elastomers include polybutadienes and a synthetic polyisoprene. The polybutadienes comprise a majority portion of a first polybutadiene synthesized with a lanthanide series catalyst, and a minority portion of second polybutadiene synthesized with a Nickel-based catalyst. The first and second polybutadienes are characterized by Mooney viscosities that are within ±5 MU of each other, while the synthetic polyisoprene is characterized by a Mooney viscosity higher than the polybutadienes. The at least three elastomers are each characterized by a high cis content of greater than 80 percent.


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    Titel :

    TIRE RUBBER COMPOSITION FOR HEAVY LOAD VEHICLE


    Beteiligte:

    Erscheinungsdatum :

    12.10.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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