| 摘要 |
PROBLEM TO BE SOLVED: To obtain a rubber composition that comprises ethylene-α-olefin-based copolymer rubber and diene-based rubber containing a double bond in the main chain as main components and has excellent tensile strength and heat aging resistance, in a rubber composition not containing a reinforcing filler. SOLUTION: The rubber composition comprises at least (A) ethylene-α-olefin-based copolymer rubber, (B) diene-based rubber containing a double bond in the main chain, (C) an organic peroxide and (D) a compound containing a hydrazine derivative and does not contain a reinforcing filler. The rubber composition comprises (E) a metal oxide and (F) stearic acid besides the components (A)-(D). COPYRIGHT: (C)2007,JPO&INPIT
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