Patent ID: 8399375

Claim:
A supported metallocene catalyst composition for polymerizing olefin prepared by supporting a group IV transition metal compound represented by Chemical Formula 1 upon an inorganic or organic porous carrier treated with an ionic compound represented by Chemical Formula 2: Cp′L 1 ML 2 n [Chemical Formula 1] where, M is a Group IV transition metal of a Periodic Table of the Elements; Cp′ is a cyclopentadienyl containing group being able to form η 5 -bond with the central metal M; L 1 is a fused ring having cyclopentadiene, cyclopentadienyl ring or an anionic ligand including (C1-C20) hydrocarbon substituent and O, N or P atom; L 2 is halogen atom, (C1-C20) alkyl group, (C6-C30) aryl (C1-C20) alkyl group, (C3-C20) cycloalkyl group, (C1-C20) alkoxy group, (C6-C30) aryloxy group, (C6-C30) aryl group, (C1-C20) alkyl substituted or (C6-C30) aryl substituted silyl group, (C1-C20) alkyl substituted or (C6-C30) aryl substituted amino group, (C1-C20) alkyl substituted or (C6-C20) aryl substituted siloxy group, and (C1-C20) alkyl substituted or (C6-C30) aryl substituted phosphine group; n is an integer of 1 or 2; Cp′ and L 1 are optionally bridged through a silicon containing group or (C1-C4) alkenylene group; the cyclopentadienyl ring or cyclopentadienyl fused ring of the Cp′ and L 1 may be further substituted with (C1-C20) alkyl group, (C6-C30) aryl group, (C2-C20) alkenyl group or (C6-C30) aryl (C1-C20) alkyl group; X + Y − [Chemical Formula 2] where, X + is imidazolium ion, pyridium ion, ammonium ion, phosphonium ion, sulfonium ion, pyrazolium ion or pyrrolidium ion; and Y − is BF 4 − , PF 6 − , AlCl 4 − , halogen − , CH 3 CO 2 − , CF 3 CO 2 − , CH 3 SO 4 − , CF 3 SO 3 − , (CF 3 SO 2 )N − , NO 3 31 , SbF 6 − , Sb 2 F11 − , MePhSO 3 − , (CF 3 SO 2 ) 2 N − , (CF 3 SO 2 ) 3 C − or (OR) 2 PO 2 − .