PROBLEM TO BE SOLVED: To provide a novel rubber compound efficiently enhancing durability especially when used for a tire member such as a tire tread while inhibiting increase of cost.SOLUTION: There is provided a rubber compound by blending a petroleum coke fine pulverized article having average particle diameter (D50) of over 0 μm and 50 μm or less and carbon black to natural rubber, preferably the petroleum coke fine pulverized article manufactured by pulverizing coke obtained by thermal decomposition of atmospheric distillation residue oil or vacuum distillation residue oil of crude oil or the petroleum coke fine pulverized article of 1 to 500 pts.mass and the carbon black of 1 to 500 pts.mass are blended to 100 pts.mass of the natural rubber.SELECTED DRAWING: None

    【解決課題】コストの上昇を抑制しつつ、特にタイヤトレッド等のタイヤ部材に使用したときに耐久性を効果的に向上させる新規なゴム配合物を提供する。【解決手段】天然ゴムに対し、平均粒子径(D50)が0μmを超え50μm以下である石油コークス微粉砕物およびカーボンブラックを配合してなることを特徴とするゴム配合物であり、好適には、上記石油コークス微粉砕物が、原油の常圧蒸留残渣油または減圧蒸留残渣油を熱分解して得られるコークスを粉砕してなるものであるか、または上記天然ゴム100質量部に対し、上記石油コークス微粉砕物1〜500質量部と、上記カーボンブラック1〜500質量部とを配合してなるゴム配合物である。【選択図】なし


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    Title :

    RUBBER COMPOUND


    Additional title:

    ゴム配合物


    Contributors:

    Publication date :

    2016-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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