A functionalized elastomer is disclosed having the formula (P-B n ) q -X, where P is a polydiene segment, B is a styrenic monomer residue, n is the number of styrenic monomer residues, B n is a polystyrenic segment; X is a multifunctional polymerization terminator residue, and q is the number of (P-B n ) chains coupled to X. Also, a method of making a functionalized elastomer is disclosed comprising the steps of: polymerizing a diene based monomer in the presence of an anionic polymerization initiator to produce a polydiene anionic living polymer; further polymerizing the polydiene anionic living polymer with from 1 to 10 equivalents of a styrenic monomer per equivalent of initiator to produce a polydiene-polystyrenic anionic living polymer; and terminating the polydiene-polystyrenic anionic living polymer with a multifunctional terminator.


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    Titel :

    Functionalized polymer, rubber composition and pneumatic tire


    Beteiligte:
    MA LIQING (Autor:in)

    Erscheinungsdatum :

    21.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / 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



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