Patent ID: 7709586

Claim:
An olefin polymerization catalyst for the polymerization of α-olelins and cycloolefins which comprises: an organometallic compound of the following Formula 1; aluminoxane; and an organic transition metal compound of the following Formula 2: M 1 R 1 1 R 2 m R 3 n or R 2 m R 3 n M 1 1 -Q-R 1 1 M 1 R 2 m R 3 n [Formula 1] in Formula 1, M 1 is selected from the group consisting of Group 2A, 2B and 3A of the Periodic Table, R 1 is selected from the group consisting of cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, azulenyl, substituted azulenyl, fluorenyl, substituted fluorenyl group and mixtures thereof, R 2 and R 3 are independently hydrocarbyl group of 1 to 24 carbon atoms, l is an integer of more than 1 and an integer of less than a valence of M 1 , m and n are independently an integer of 0 to 2, l+m+n is equal to the valence of M 1 , Q is a divalent group selected from the group consisting of(CR 5 2 ) b , (SiR 5 2 ) b , (GeR 5 2 ) b , NR 5 and PR 5 for bridging R 1 , where R 5 substituent is independently hydrogen atom, alkyl radical of 1 to 20 carbon atoms, cycloalkyl radical of 3 to 20 carbon atoms, alkenyl radical of 1 to 20 carbon atoms, aryl radical of 6 to 20 carbon atoms, alkyl radical of 7 to 20 carbon atoms or arylalkyl radical of 7 to 20 carbon atoms, b is an integer of 1 to 4. M 2 R 4 p X q [Formula 2] in Formula 2, M 2 is zirconium(Zr) or hafnium(Hf), R 4 is selected from the group consisting of cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, azulenyl, substituted azulenyl, fluorenyl, substituted fluorenyl groups and mixtures thereof, X is halogen atom, p is an integer of 1, q is an integer of 3, p+q is equal to the valence of metal M 2 .