To provide a rubber composition excellent in adhesiveness to a metal member.SOLUTION: A rubber composition (excluding a rubber composition containing a thiuram-based vulcanization accelerator) which contains a rubber component, a rubber-intermetallic adhesion promoter, and a vulcanization accelerator other than thiuram is such that: the rubber component contains 20 pts.mass or more of EPDM in 100 pts.mass of the rubber component; the rubber-intermetallic adhesion promoter contains at least one kind selected from a metal salt (1) of aliphatic carboxylic acid and a compound (2) of formula (A): [(RCOO)xMO]3Z; the aliphatic carboxylic acid of the metal salt (1) has a carbon number of 2-25; the metal of the metal salt (1) is Bi, Zn, Cu, Sb, Ag, Nb or Zr; in the formula (A), (RCOO) is a residue of 2-25C aliphatic carboxylic acid; M is Bi, Zn, Cu, Sb, Ag, Nb or Zr; x is 1 or more and an integral number of (valence of M-1); and Z is a compound containing boron or phosphorus.SELECTED DRAWING: None

    【課題】金属部材に対する接着性に優れるゴム組成物を提供する。【解決手段】ゴム成分と、ゴム-金属間接着促進剤と、チウラム系以外の加硫促進剤とを含み、前記ゴム成分は、ゴム成分100質量部中、EPDMを20質量部以上含み、前記ゴム-金属間接着促進剤は、脂肪族カルボン酸の金属塩(1)及び式(A):[(RCOO)xMO]3Zの化合物(2)から選択される1種以上を含み、前記金属塩(1)の脂肪族カルボン酸は、炭素数が2~25であり、前記金属塩(1)の金属は、Bi、Zn、Cu、Sb、Ag、Nb又はZrであり、式(A)中、(RCOO)は、炭素数2~25の脂肪族カルボン酸の残基であり、Mは、Bi、Zn、Cu、Sb、Ag、Nb又はZrであり、xは、1以上かつ(Mの価数-1)の整数であり、Zはホウ素又はリンを含む化合物である、ゴム組成物である(チウラム系加硫促進剤を含むゴム組成物を除く)。【選択図】なし


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    Title :

    RUBBER COMPOSITION, RUBBER-METAL COMPOSITE, HOSE, CONVEYOR BELT, RUBBER CRAWLER AND TIRE


    Additional title:

    ゴム組成物、ゴム-金属複合体、ホース、コンベヤベルト、ゴムクローラ及びタイヤ


    Contributors:
    HIGA TOMOKI (author)

    Publication date :

    2022-06-21


    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 / B62D MOTOR VEHICLES , Motorfahrzeuge / B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / F16L PIPES , Rohre





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