| 摘要 |
PROBLEM TO BE SOLVED: To provide a new catalyst composition containing a metallocene complex, and to provide a method for producing various polymeric compounds, preferably a new polymeric compound and a method for producing the same. SOLUTION: The invention relates to a method for producing a copolymer of (a) anα-olefin compound with a cyclic olefin compound or (b) a copolymer of a diene compound with a cyclic olefin compound, wherein the polymerization is carried out in the presence of the catalyst composition comprising (1) a metallocene complex represented by general formula (I) and (2) an ionic compound composed of a non-coordinated anion and a cation. (In the formula, M is either one of a metal atom of the third group of the periodic table or a lanthanoid metal atom, Cp<SP>*</SP>is a (substituted) cyclopentadienyl derivative, Q<SP>1</SP>and Q<SP>2</SP>are each a mono anionic ligand). COPYRIGHT: (C)2008,JPO&INPIT
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