CATALYST COMPOSITION FOR PREPARING CONJUGATED DIENE POLYMER AND CONJUGATED DIENE POLYMER PREPARED BY MEANS OF SAME

摘要

The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following chemical formula (1) as well as a rare earth metal compound, an alkylating agent and a halogen compound, showing excellent catalyst activity and polymerization reactivity, and having high linearity and excellent processability. Chemical formula (1): (X1)a-Sn-(X2)4-a, wherein a, X1 and X2 are as defined in the description.