To provide a random copolymer that allows a particle size of a crumb and a moisture content to be properly controlled.SOLUTION: A random copolymer has an aromatic vinyl monomer unit, a conjugated diene monomer unit, and an ethylene structure, has a unimodal molecular weight distribution by GPC, and has a molecular weight distribution of 1.30-1.75.SELECTED DRAWING: None

    【課題】クラムの粒径及び含水率が適切に制御可能なランダム共重合を提供する。【解決手段】芳香族ビニル単量体単位、共役ジエン単量体単位、及びエチレン構造を有し、GPCによる分子量分布が単峰性であり、分子量分布が1.30~1.75である、ランダム共重合体。【選択図】なし


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    Title :

    RANDOM COPOLYMER, METHOD FOR PRODUCING CRUMB, AND PNEUMATIC TIRE


    Additional title:

    ランダム共重合体、クラムの製造方法、及び空気入りタイヤ


    Contributors:

    Publication date :

    2022-01-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / 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 / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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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