| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition suitably providing a molded product excellent in low-temperature properties (such as flexibility and rubber elasticity at low temperature), and to provide a molded product using the same.SOLUTION: The rubber composition contains an ethylene-3-20C α-olefin-nonconjugated polyene copolymer, a softening agent and a filler, wherein B value of the ethylene-3-20C α-olefin-nonconjugated polyene copolymer represented by the expression (1): B value=([EX]+2[Y])/(2×[E]×([X]+[Y])) is >1.05, the rubber composition contains 0.1-200 pts.wt. of the softening agent and 1-300 pts.wt. of the filler, based on 100 pts.wt. of the ethylene-3-20C α-olefin-nonconjugated polyene copolymer, and the ethylene-3-20C α-olefin-nonconjugated polyene copolymer is synthesized using a metallocene catalyst containing (A) a specific transition metal compound and (B) at least one compound selected from among (B-1) an organometallic compound, (B-2) an organic aluminum oxy compound and (B-3) a compound which reacts with the transition metal compound (A) to form an ion pair. |
