A method for manufacturing a conjugated diene polymer that can increase the robustness of a polymerization reaction system is provided. Also, a conjugated diene polymer, with a high cis-1,4-bond content, that is manufactured by this method for manufacturing is provided. A method for manufacturing a conjugated diene polymer includes polymerizing a conjugated diene monomer using a polymerization catalyst composition including a rare earth element compound and a compound having a cyclopentadiene skeleton, and a conjugated diene polymer manufactured with this method for manufacturing has a cis-1,4-bond content of 95% or greater.
本发明提供了一种制造共轭二烯聚合物的方法,可提高聚合反应体系的稳健性。此外,还提供了一种共轭二烯聚合物,其顺式-1,4-键含量较高,可通过该方法制造。制造共轭二烯聚合物的方法包括使用聚合催化剂组合物聚合共轭二烯单体,该催化剂组合物包括稀土元素化合物和具有
环戊二烯骨架的化合物,用这种制造方法制造的共轭二烯聚合物的顺式-1,4-键含量大于等于 95%。