To provide a rubber composition for metal bonding that improves adhesiveness after aging to a metallic reinforcing cord and is excellent in breaking physical properties.SOLUTION: There is provided a rubber composition for metal bonding produced by blending 100 pts.mass of a diene-based rubber including 80 pts.mass or more of natural rubber and/or synthetic isoprene rubber with 0.5 to 10 pts.mass of ethylenediaminetetraacetic acid metal salt or a hydrate thereof in which the ethylenediaminetetraacetic acid metal salt or a hydrate thereof is a metal salt including sodium and a metal other than sodium.SELECTED DRAWING: None

    【課題】金属製補強コードに対する老化後の接着性を改善し、破断物性にも優れる金属接着用ゴム組成物を提供する。【解決手段】天然ゴムおよび/または合成イソプレンゴムを80質量部以上含むジエン系ゴム100質量部に対し、エチレンジアミン四酢酸金属塩またはその水和物を0.5〜10質量部配合してなり、前記エチレンジアミン四酢酸金属塩またはその水和物が、ナトリウムと、前記ナトリウム以外の金属とを含む金属塩であることを特徴とする金属接着用ゴム組成物によって、上記課題を解決した。【選択図】なし


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    Title :

    RUBBER COMPOSITION FOR METAL BONDING AND PNEUMATIC TIRE USING THE SAME


    Additional title:

    金属接着用ゴム組成物およびそれを用いた空気入りタイヤ


    Contributors:

    Publication date :

    2020-04-02


    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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