| abstract |
A transition metal complex represented by the formula (1): n nwherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R 1 , R 2 , R 3 and R 4 may be the same or different and each independently denotes a substituent selected from the group consisting of the groups (I) and (II):n group (I): hydrogen, alkyl and so on, group (II): alkoxy, alkylthio and so on,n nprovided that at least one of R 1 , R 2 , R 3 and R 4 is a substituent selected from group (II);n nR 5 , R 6 , R 7 , R 8 , R 9 , R 10 , X 1 and X 2 may be the same or different and are each hydrogen, halogen, alkyl or the like; and a catalyst for olefin polymerization comprising said complex, an organoaluminum compound and a boron compound are provided. |