Patent ID: 6284700
Filing Date: 2001-09-04
Classification: C08F

Abstract:
A metallocene catalyst for olefin or styrene polymerization prepared by reacting a metallocene compound represented by the general formulae:MR.sup.1.sub.a R.sup.2.sub.b R.sup.3.sub.c R.sup.4.sub.4-(a+b+c) (A)orMR.sup.1.sub.d R.sup.2.sub.e R.sup.3.sub.3-(d+e) (B)and a compound having at least two functional groups represented by the general formulae (C), (D), or (E):T.sup.2 --YR.sup.5 Y'--T.sup.1 (C)##STR29##wherein M in the formulae (A) and (B) represents a transition metal of Group IV, V or VI of the Periodic Table of Elements;R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are selected from the group consisting of a hydrogen atom; a halogen atom; an alkyl group, a cycloalkyl group, and an alkoxy group of C.sub.1-20 ; an aryl group, an alkylaryl group, and an arylalkyl group of C.sub.6-20, a substituted or unsubstituted cyclopentadienyl group and derivatives thereof, a substituted or unsubstituted indenyl group and derivatives thereof, a substituted or unsubstituted fluorenyl group and derivatives thereof, wherein at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is a substituted or unsubstituted cyclopentadienyl group and derivatives thereof, a substituted or unsubstituted indenyl group and derivatives thereof, a substituted or unsubstituted fluorenyl group and derivatives thereof;a, b and c are integers from 0 to 4;d and e are integers from 0 to 3;wherein T.sup.1, T.sup.2, T.sup.3 and T.sup.4 in the formulae (C), (D), and (E) are selected from the group consisting of a hydrogen atom; an alkyl group, a cycloalkyl group and an alkoxy group of C.sub.1-20 ; an aryl group, an alkylaryl group, and an arylkyl group of C.sub.6-20 ; and an alkali metal;Y, Y', Y"" and Y'"" are selected from the group consisting of O, S, --Nr.sup.17, or --Pr.sup.18, wherein r.sup.17 and r.sup.18 are selected from the group consisting of a hydrogen atom; an alkyl group, a cycloalkyl group and an alkoxy group; an aryl group of, an alkylaryl group, and an arylalkyl group of C.sub.6-20 ;R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are selected from the group consisting of R', R'--m--R"", and ##STR30##wherein R', R"", R'"", and R"""" are selected from the group consisting of a linear alkyl group and a branched alkyl group of C.sub.6-20 ; a cycloalkyl group and a substituted cycloalkyl group of C.sub.3-20 ; an aryl group; an alkylaryl group and an arylalkyl group of C.sub.6-40 ; and r.sup.19 is a hydrogen atom; an alkyl group; a cycloalkyl group and an alkoxy group of C.sub.1.about.10 ; and an aryl group, an alkylaryl group and an arylalkyl group of C.sub.6-20 ; and m is selected from the group consisting of an oxygen atom, a sulfur atom, --Nr.sup.17 or --Pr.sup.18, and Sir.sup.17 r.sup.18, wherein r.sup.17 and r.sup.18 are selected from the group consisting of a hydrogen atom; an alkyl group, a cycloalkyl group and an alkoxy group of C.sub.1-10 ;Q is N or --Cr.sup.20 wherein r.sup.20 is selected from the group consisting of an alkyl group, a cycloalkyl group, and an alkon group of C.sub.1.about.10 ; and an aryl group, an alkylaryl group and an arylalkyl group of C.sub.6.about.20 ; andZ is C, Si, Ge or ##STR31##