The present invention relates to a method of producing a rubber, comprising (co)polymerizing at least one diene monomer and optionally at least one vinylaromatic monomer, and a vinyl-silicone compound, in the presence of a functionalizing lithium initiator, and modifying the obtained (co)polymer by a poly functional silicon-containing agent. The functionalizing lithium initiator is obtained by reacting an organolithium compound, a secondary amine and a diene-containing compound. In addition, the instant inventon relates to rubbers obtained by said method, rubber compositions and vulcanizates based thereon, semi-finished products and tires, comprising such a rubber. The present invention provides obtaining of rubber compositions and vulcanizates based thereon characterized by the improved complex of histeresis properties.


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    Title :

    METHOD OF PRODUCING A MODIFIED DIENE-CONTAINING RUBBER, THE RUBBER AND A COMPOSITION BASED THEREON


    Additional title:

    VERFAHREN ZUR HERSTELLUNG EINES MODIFIZIERTEN DIENHALTIGEN KAUTSCHUKS, KAUTSCHUK UND DARAUF BASIERENDE ZUSAMMENSETZUNG
    PROCÉDÉ DE PRODUCTION D'UN CAOUTCHOUC DIÉNIQUE MODIFIÉ, CAOUTCHOUC, ET COMPOSITION ASSOCIÉE



    Publication date :

    2022-03-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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