PROBLEM TO BE SOLVED: To obtain a modified conjugated diene polymer having excellent fracture characteristics at high temperature when made into a vulcanizate.SOLUTION: A modified conjugated diene polymer has a Mooney relaxation rate at 110°C of 0.45 or more, a modification rate of 75 mass% or more, a weight average molecular weight (Mw) of 200,000 or more and 3,000,000 or less, and a molecular weight distribution (weight average molecular weight (Mw)/number average molecular weight (Mn)) of 1.5 or more and 3.5 or less.SELECTED DRAWING: None

    【課題】加硫物としたときに良好な高温での破壊特性を有する変性共役ジエン系重合体を得る。【解決手段】110℃におけるムーニー緩和率が0.45以上であり、変性率が75質量%以上であり、重量平均分子量(Mw)が20万以上300万以下であり、分子量分布(重量平均分子量(Mw)/数平均分子量(Mn))が1.5以上3.5以下である、変性共役ジエン系重合体。【選択図】なし


    Access

    Download


    Export, share and cite



    Title :

    MODIFIED CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER COMPOSITION, AND TIRE


    Additional title:

    変性共役ジエン系重合体、変性共役ジエン系重合体組成物、及びタイヤ


    Contributors:

    Publication date :

    2018-06-21


    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen