Provided is a conjugated-diene-based polymer at least including units of a conjugated diene monomer, wherein high-molecular-weight components have a shrinkage factor of 0.4-0.8 and have a degree of adsorption onto silica of 75% or less and medium-molecular-weight components have a degree of adsorption of 40-100%.

    L'invention concerne un polymère à base de diène conjugué comprenant au moins des unités d'un monomère diène conjugué, des composants de poids moléculaire élevé ayant un facteur de retrait de 0,4 à 0,8 et ayant un degré d'adsorption sur de la silice de 75 % ou moins et des composants de poids moléculaire moyen ayant un degré d'adsorption de 40 à 100 %.

    少なくとも共役ジエン単量体単位を含有する共役ジエン系重合体であって、高分子量体の収縮因子が0.4~0.8であり、高分子量体のシリカに対する吸着率が75%以下であり、中分子量体の吸着率が40~100%である共役ジエン系重合体を提供する。


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    Title :

    CONJUGATED-DIENE-BASED POLYMER, COMPOSITION OF CONJUGATED-DIENE-BASED POLYMER, CROSSLINKED RUBBER OBJECT, AND TIRE


    Additional title:

    POLYMÈRE À BASE DE DIÈNE CONJUGUÉ, COMPOSITION DE POLYMÈRE À BASE DE DIÈNE CONJUGUÉ, OBJET EN CAOUTCHOUC RÉTICULÉ ET PNEU
    共役ジエン系重合体、共役ジエン系重合体組成物、ゴム架橋物、およびタイヤ


    Contributors:

    Publication date :

    2021-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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 / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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