A functionalized polymerization initiator and its method of manufacturing is disclosed. The initiator comprises the reaction product of an alkyl lithium compound and a compound of formula 1wherein R1is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR3where R3are independently selected from a C1 to a C8 alkyl group; wherein R2is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR3; and wherein n = 0 to 3. Also, a method of making a functionalized elastomer and such an elastomer is disclosed. The method comprises the step of polymerizing at least one conjugated diene monomer and optionally an aromatic vinyl monomer in the presence of said functionalized polymerization initiator.


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    Title :

    FUNCTIONALIZED INITIATOR, METHOD OF MAKING SUCH AN INITIATOR AND FUNCTIONALIZED ELASTOMER AND ITS METHOD OF MANUFACTURING


    Additional title:

    FUNKTIONALISIERTER INITIATOR, VERFAHREN ZUR HERSTELLUNG EINES SOLCHEN INITIATORS UND FUNKTIONALISIERTES ELASTOMER UND VERFAHREN ZU SEINER HERSTELLUNG
    INITIATEUR FONCTIONNALISÉ, PROCÉDÉ DE FABRICATION D'UN TEL INITIATEUR ET ÉLASTOMÈRE FONCTIONNALISÉ ET SON PROCÉDÉ DE FABRICATION


    Contributors:

    Publication date :

    2022-03-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / 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



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