| abstract |
An object of the present invention is to provide a polymer having low crystallinity as well as improving the durability and weather resistance of rubber products such as rubber compositions and tires. A multi-component copolymer containing a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit, wherein the main chain is composed of only a non-cyclic structure, It is a multi-component copolymer having a 1,4 bond content of 50% or more. [Selection diagram] Fig. 1 |