| 摘要 |
PROBLEM TO BE SOLVED: To provide an elastomer composition having excellent heat resistance and oil resistance and good in moldability. SOLUTION: Styrene/ethylene-butylene/ethylene block copolymer and/or ethylene/ethylene-butylene/ethylene block copolymer is added for improving oil resistance of styrene/ethylene-butylene/styrene block copolymer and/or styrene/ethylene-propylene/styrene block copolymer thereto and 1,2-polybutadiene-based elastomer is added as an auxiliary crosslinking agent for smoothly and uniformly carrying out crosslinking thereof by an organic peroxide thereto.
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