#UBE INDUSTRIES [JP]

CATALYST FOR USE IN POLYMERIZATION OF CONJUGATED DIENE, CONJUGATED DIENE POLYMER AND MODIFIED CONJUGATED DIENE POLYMER EACH PRODUCED USING SAID CATALYST, METHODS RESPECTIVELY FOR PRODUCING SAID POLYMERS, RUBBER COMPOSITION FOR TIRES, AND RUBBER COMPOSITION FOR RUBBER BELTS

Provided are a catalyst for a conjugated diene polymerization capable of producing a conjugated diene polymer having a high content of cis-1,4-structures with a high activity, a conjugated diene polym…