CATALYST FOR CONJUGATED DIENE POLYMERIZATION, MANUFACTURING METHOD OF CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER COMPOSITION, TIRE AND RUBBER BELT

摘要

PROBLEM TO BE SOLVED: To provide a conjugated diene polymer having higher percentage content of cis-1,4 structure with higher activity than conventional ones by using a rare earth metal-based alkoxide compound.;SOLUTION: The invention relates to a catalyst for conjugated diene polymerization containing a rare earth metal-based alkoxide compound (A) excluding a Sm-based alkoxide compound and a Yb-based alkoxide compound, an ionic compound consisting of non-coordinating anion and cation (B) and an organic metal compound of an element selected from II Group, XII group and VIII group in the periodic table (C).;SELECTED DRAWING: None;COPYRIGHT: (C)2016,JPO&INPIT