An object of the present disclosure is to provide a catalyst composition enabling a modified conjugated diene-based polymer of which main chain is modified to be produced by a simple method, and a solution thereto is a catalyst composition, comprising: a rare earth element-containing compound (A) containing a rare earth element compound or a reaction product of the rare earth element compound and a Lewis base, an organic metal compound (B) represented by a formula: YR1aR2bR3c[wherein Y is a metal selected from Group 1, Group 2, Group 12, and Group 13 of the periodic table, R1and R2are each a hydrocarbon groups having 1 to 10 carbon atoms or a hydrogen atom, R3is a hydrocarbon group having 1 to 10 carbon atoms, a is 1 and b and c are 0 when Y is a metal selected from Group 1, a and b are 1 and c is 0 when Y is a metal selected from Group 2 and Group 12, and a, b, and c are all 1 when Y is a metal selected from Group 13], and a compound having a polar functional group (C).


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    Titel :

    CATALYST COMPOSITION, PRODUCTION METHOD FOR MODIFIED CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION, AND TIRE


    Weitere Titelangaben:

    KATALYSATORZUSAMMENSETZUNG, VERFAHREN ZUR HERSTELLUNG EINES MODIFIZIERTEN KONJUGIERTEN DIENPOLYMERS, MODIFIZIERTES KONJUGIERTES DIENPOLYMER, KAUTSCHUKZUSAMMENSETZUNG UND REIFEN
    COMPOSITION DE CATALYSEUR, PROCÉDÉ DE PRODUCTION DE POLYMÈRE DIÈNE CONJUGUÉ MODIFIÉ, POLYMÈRE DIÈNE CONJUGUÉ MODIFIÉ, COMPOSITION DE CAOUTCHOUC ET PNEUMATIQUE


    Beteiligte:

    Erscheinungsdatum :

    2021-05-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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