| abstract |
(A) an ethylene unit, (b) an α-olefin unit having 3 to 20 carbon atoms, (c) a cyclic olefin unit having a specific silicon-containing group, and a molar ratio of (a) and (b) is 99 / 1-30 / 70, (c) 0.1 to 10 mol% with respect to the total of (a), (b) and (c), branching index of 0.70 or more, intrinsic viscosity measured in 135 ° C decalin Is a silicon-containing olefin copolymer, characterized by being 0.1 to 10 dl / g. And a crosslinkable rubber composition containing the copolymer, a sealing material, a potting material, a coating material, an adhesive, and a crosslinked body comprising the composition. |