To provide a rubber composition for tire tread that maximizes the dispersion of silica and the interaction with rubber, and thus is excellent in all of wear resistance, fuel economy, and braking performance on wet roads.SOLUTION: A rubber composition comprises: a raw material rubber, which comprises a first solution-polymerized styrene-butadiene rubber with a low glass transition temperature (Tg) and a second solution-polymerized styrene-butadiene rubber with a high glass transition temperature (Tg); a reinforcing filler; a silane coupling agent; a functionalized liquid polymer; a first resin with a high glass transition temperature; and a second resin with a low glass transition temperature.SELECTED DRAWING: None

    【課題】シリカの分散及びゴムとの相互作用を最大化することで、耐摩耗性、低燃費性及びウェット路面での制動性能にいずれも優れているタイヤトレッド用ゴム組成物を提供する。【解決手段】ガラス転移温度(Tg)の低い第1の溶液重合スチレンブタジエンゴム及びガラス転移温度(Tg)の高い第2の溶液重合スチレンブタジエンゴムを含む原料ゴムと、補強性充填剤と、シランカップリング剤と、官能化された液状高分子と、また、高いガラス転移温度の第1のレジン及び低いガラス転移温度の第2のレジンとを含む。【選択図】なし


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    Titel :

    RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED USING THE SAME


    Weitere Titelangaben:

    タイヤトレッド用ゴム組成物及びそれを用いて製造したタイヤ


    Beteiligte:
    LIM KIWON (Autor:in) / JEON BYEONG JOO (Autor:in) / AHN SAE UM (Autor:in)

    Erscheinungsdatum :

    03.06.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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