abstract |
PROBLEM TO BE SOLVED: To provide a method for producing a polymer of a conjugated diene having a high cis 1,4-structure content, using a polymerization catalyst comprising a metal compound of atomic number 57 to 71 having a bulky ligand. SOLUTION: (A) a metal compound having a bulky ligand and having an atomic number of 57 to 71, (B) an ionic compound comprising a non-coordinating anion and a cation, (C) group 2 of the periodic table The present invention relates to a method for producing a conjugated diene polymer, wherein a conjugated diene compound is polymerized using a catalyst obtained from an organometallic compound of an element selected from Group 12 and Group 13. [Selection figure] None |