| abstract |
The present invention relates to a polymerization catalyst comprising (1) a nitrogen-containing iron compound having the following formula (Z) and (2) an activator compound selected from an organoaluminum compound and a hydrocarbylboron compound, Characterized in that the catalyst is supported on a solid particulate support material.n n n n n n n n (Wherein,n n n X represents a covalent or ionically bonded atom or group to Fe,n n n and b is the valence of the atom or group X). |