Patent ID: 6316558
Filing Date: 2001-11-13
Classification: C07F,C08F,Y10S

Abstract:
A process for producing an olefin polymer comprising polymerizing using a polymerization catalyst comprising:(a) a transition metal compound represented by formula (1);(b) a compound capable of a reacting with the transition metal compound to form a cationic transition metal compound; and(c) an organometallic compound;where the transition metal compound represented by formula (1) is: ##STR7##where M.sup.1 is a transition metal of Group 4 of the Periodic Table; wherein R.sup.13 is independently a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an arylalkyl group, each of which may have 1-20 carbons; R.sup.2 is independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons; R.sup.3 and R.sup.4 are hydrogen atoms; R.sup.5 and R.sup.6 are independently an aryl group of 6 to 10 carbons; R.sup.7 and R.sup.8 are respectively a substituent of the benzo ring of the fluorenyl group, and are independently a hydrocarbon group of 1 to 20 carbons; Q.sup.1 and Q.sup.2 are independently a hydrogen atom, a halogen atom or a hydrocarbon group of 1 to 20 carbons; and m and n are independently an integer of 0 to 4;wherein the compound (b) is selected from the group consisting of compounds of the following formulae (6) and (7) and a clay mineral:(HL.sup.1.sub.1)(M.sup.3 R.sup.10.sub.4) (6)wherein H is proton, each L.sup.1 is independently a Lewis base 1 satisfies, 0<1<2, M.sup.3 is a boron, aluminum, or gallium atom, and each R.sup.10 is independently a halogen-substituted aryl group of 6 to 20 carbons;(C)(M.sup.3 R.sup.10.sub.4) (7)wherein C is a carbonium cation or tropylium cation, M.sup.3 is a boron, aluminum, or gallium atom, and each R.sup.10 is independently a halogen-substituted aryl group of 6 to 20 carbons;where the clay mineral used in the present invention is preliminarily subjected to a chemical treatment, where the chemical treatment is a chemical treatment which includes an acid or alkali treatment, a salt treatment or complex formation by treatment with an organic or inorganic compoundwherein the organometallic compound (c) is represented by formula (13):M.sup.5 R.sup.12.sub.swherein M.sup.5 is aluminum and each R.sup.12 is independently an alkyl group of 1 to 24 carbons; and s is 3.