To provide a rubber composition for coating a steel cord, which serves as a raw material of a pneumatic tire excellent in balance between rubber hardness and elongation of a rubber part constituting a steel cord constituting a belt.SOLUTION: The rubber composition for coating a steel cord contains a rubber component, a filler, and a layered or plate-like mineral having an aspect ratio of 5 or more. When the content of the filler is 100, the content of the mineral is 1-10. When the total amount of the rubber component is 100 pts.mass, the content of the mineral is preferably 4.5 pts.mass or less. The aspect ratio of the mineral is preferably 100 or more.SELECTED DRAWING: None

    【課題】ベルトを構成するスチールコードを構成するゴム部のゴム硬度と伸びとのバランスに優れた空気入りタイヤの原料となるスチールコード被覆用ゴム組成物を提供すること。【解決手段】ゴム成分と、フィラーと、アスペクト比が5以上である層状または板状の鉱物とを含有し、フィラーの含有量を100としたとき、鉱物の含有量が1~10であるスチールコード被覆用ゴム組成物。ゴム成分の全量を100質量部としたとき、鉱物の含有量が4.5質量部以下であることが好ましく、鉱物のアスペクト比が100以上であることが好ましい。【選択図】 なし


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    Title :

    RUBBER COMPOSITION FOR COATING STEEL CORD, AND PNEUMATIC TIRE


    Additional title:

    スチールコード被覆用ゴム組成物および空気入りタイヤ


    Contributors:

    Publication date :

    2022-07-01


    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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