| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration-proof rubber composition in which crack growth resistance and weatherability are greatly improved.SOLUTION: A vibration-proof rubber composition includes, as a rubber component: a conjugated diene polymer; a conjugated diene-nonconjugated olefin copolymer; and a non-conjugated diene-nonconjugated olefin copolymer, wherein: the non-conjugated diene-nonconjugated olefin copolymer contains an ethylene-propylene-diene rubber; a peroxide, as a crosslinking agent; and zinc acrylate or zinc methacrylate, and lower alkylene glycols diacrylate or dimethacrylate, as a co-crosslinking agent. The carbon number of the lower alkylene portion of the lower alkylene glycols diacrylate or dimethacrylate is 1-4. |
