To provide a recycled carbon black capable of yielding a rubber composition that exhibits enhanced reinforcement along with excellent rupture resistance, a rubber composition containing the recycled carbon black, and a tire produced from the rubber composition.SOLUTION: A recycled carbon black has a particle size (D90) of 310 nm or less where the cumulative volume percentage is 90% as measured in accordance with JIS K 6217-6:2008, a nitrogen adsorption specific surface area of 50 m2/g or more and 85 m2/g or less, and a tinting strength of 55 or more as measured in accordance with JIS K 6217-5.SELECTED DRAWING: None

    【課題】耐破壊性に優れつつ、補強性を向上することができるゴム組成物を得ることができるリサイクルカーボンブラック、該リサイクルカーボンを含むゴム組成物、及び、該ゴム組成物から製造されるタイヤを提供する。【解決手段】JIS K 6217-6:2008により測定される累積体積百分率が90%となる粒子径(D90)が310nm以下であり、窒素吸着比表面積が50m2/g以上85m2/g以下であり、JIS K 6217-5に準拠して測定される比着色力が55以上である、リサイクルカーボンブラック。【選択図】なし


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    Title :

    RECYCLED CARBON BLACK, RUBBER COMPOSITION, AND TIRE


    Additional title:

    リサイクルカーボンブラック、ゴム組成物及びタイヤ


    Contributors:

    Publication date :

    2024-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES , Behandlung von anorganischen Stoffen, außer von faserigen Füllstoffen, zum Erhöhen ihrer pigmentierenden oder füllenden Eigenschaften / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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