Patent ID: 9074035
Filing Date: 2015-07-07
Classification: B60C,C08F,C08K,C08L

Abstract:
1. A copolymer of a conjugated diene compound and a non-conjugated olefin, wherein the copolymer is obtained by polymerization in the presence of a catalyst represented by the following general formula (I): wherein M represents a lanthanoid element, scandium, or yttrium; Cp or the following general formula (XV): wherein M the conjugated diene unit has a cis-1,4 bond content of greater than 70.5% and the non-conjugated olefin is contained in an amount of 10 mol % or more and 50 mol % or less, and the non-conjugated olefin is an acyclic olefin, and the copolymer has a weight-average molecular weight (Mw) of 50,000 to 600,000.