15-06-2005 дата публикации
Номер: EP1541598A1
An olefin polymerization solid catalyst which comprises having a reaction product of (C) a transition metal compound of the following formula (1) or (2) and (D) an organoaluminum compound carried on a support having (A) silica treated with (B) an organoaluminum-oxy compound; (R 1 a Cp) m (R 2 b Cp) n M-(-X-Ar-Yc) 4-(m+n) wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R 1 and R 2 are a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an arylalkyl group or an alkylsilyl group, X is an oxygen atom or a sulfur atom, Ar is an aromatic ring, Y may be the same or different and is a hydrogen atom or a substituent selected from the group consisting of a hydrocarbon group, an alkylsilyl group, a halogen atom, a halogenated hydrocarbon group, a nitrogen-containing organic group, an oxygen-containing organic group or a sulfur-containing organic group, a and b are an integer of from 0 to 5, m and n are an integer of from 0 to 3, m+n is an integer of from 1 to 3, and c is an integer of from 1 to 5, provided that Y is not hydrogen when Ar is a benzene ring, R 3 (R 1 d Cp)(R 2 e Cp)M-(-X-Ar-Yc) 2 wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R 1 and R 2 are a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an arylalkyl group or an alkylsilyl group, R 3 is a divalent group selected from the group consisting of an alkylene group, an arylalkylene group, a dialkylsilylene group, a dialkylgermylene group, an alkylphosphinediyl group or an alkylimino group, which crosslinks (R 1 d Cp) and (R 2 e Cp), X is an oxygen atom or a sulfur atom, Ar is an aromatic ring, Y may be the same or different and is a hydrogen atom or a substituent selected from the group consisting of a hydrocarbon group, an alkylsilyl group, a halogen atom, a halogenated hydrocarbon group, a nitrogen-containing organic group, an oxygen- ...
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