To provide a rubber composition which achieves both fuel economy and crack propagation resistance.SOLUTION: The rubber composition contains: a diene rubber (A); a heterocyclic compound (B) having at least one heterocyclic ring selected from the group consisting of a pyrimidine ring, a pyridazine ring, a pyrazine ring, a triazine ring, and a tetrazine ring; a metal salt (C) containing a transition metal; and sulfur (D). The mass ratio (D/C) of the sulfur (D) to the metal salt (C) containing a transition metal is preferably 0.1-10.SELECTED DRAWING: None
【課題】低燃費性と耐亀裂進展性とを両立したゴム組成物を提供する。【解決手段】ジエン系ゴム(A)と、ピリミジン環、ピリダジン環、ピラジン環、トリアジン環、及びテトラジン環からなる群から選択される少なくとも一つの複素環を有する複素環式化合物(B)と、遷移金属を含む金属塩(C)と、硫黄(D)と、を含むことを特徴とする、ゴム組成物である。前記硫黄(D)と前記遷移金属を含む金属塩(C)との質量比(D/C)は、0.1~10であることが好ましい。【選択図】なし
RUBBER COMPOSITION AND RUBBER PRODUCT
ゴム組成物及びゴム製品
2023-09-07
Patent
Electronic Resource
Japanese
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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