PROBLEM TO BE SOLVED: To provide a manufacturing method of a modified conjugated diene polymer capable of manufacturing the modified conjugated diene polymer having a high modification rate.SOLUTION: The manufacturing method of a modified conjugated diene polymer includes a polymerization reaction step for polymerization reaction of a conjugated diene monomer in presence of a polymerization catalyst composition to obtain a conjugated diene polymer, a cooling step for cooling a reaction system after the polymerization reaction step and a modification reaction step for modifying the conjugated diene polymer after the cooling step.SELECTED DRAWING: None

    【課題】本発明は、高い変性率を有する変性共役ジエン重合体を容易に製造することが可能な、変性共役ジエン重合体の製造方法を提供することを目的とする。【解決手段】本発明の変性共役ジエン重合体の製造方法は、重合触媒組成物の存在下で、共役ジエンモノマーを重合反応させて共役ジエン重合体を得る重合反応工程と、前記重合反応工程後に、反応系を冷却する冷却工程と、前記冷却工程後に、前記共役ジエン重合体を変性する変性反応工程と、を含む、ことを特徴とする。【選択図】なし


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    Title :

    MANUFACTURING METHOD OF MODIFIED CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION AND TIRE


    Additional title:

    変性共役ジエン重合体の製造方法、変性共役ジエン重合体、ゴム組成物、及びタイヤ


    Contributors:

    Publication date :

    2017-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen