| 摘要 |
<p>A rubber composition which comprises 100 parts by weight of a nitrile copolymer rubber (1), 10 to 150 parts by weight of particles having an average particle diameter of 10 µm or smaller (2) which are made of a polymer comprising as the main structural units at least one kind of units selected between methyl acrylate units and methyl methacrylate units, and 5 to 85 parts by weight of an ester compound (3) obtained from a compound (a) having the following general formula (1) and an alcohol having an ether bond. General formula (1): HOOCRCOOH (In the formula, R represents C2-10 alkylene.) This rubber composition gives a vulcanizate having excellent ozone resistance.</p> |
