abstract |
PROBLEM TO BE SOLVED: To provide a solid catalyst component having a high polymerization activity, a high molecular weight and a polyolefin (co) polymer having a low polydispersity of 2.5 or less. [Solution] and carrier, the general formula: R 1 M 1 X 1 3 (R 1 Is a hydrocarbon group, M 1 is a silicon, germanium or tin atom, and X 1 is a halogen atom). |