Patent ID: 6258744
Filing Date: 2001-07-10
Classification: C08F

Abstract:
A catalyst system prepared bya) a fulvene cyclopentadienyl metal complex of formula (I) ##STR31##whereinM is a metal of the group comprising titanium, zirconium and hafnium,A denotes a cyclopentadienyl of formula C.sub.5 H.sub.q R.sup.7.sub.5-q, where q represents 0, 1, 2, 3, 4 or 5; or an indenyl of formula C.sub.9 H.sub.7-r R.sup.7.sub.r, where r represents 0, 1, 2, 3, 4, 5, 6 or 7; or a fluorenyl of formula C.sub.13 H.sub.9-p R.sup.7.sub.p, where p represents 0, 1, 2, 3, 4, 5, 6, 7 or 8,X denotes a hydrogen atom, a C.sub.1 to C.sub.10 alkyl group, a C.sub.1 to C.sub.10 alkoxy group, a C.sub.6 to C.sub.10 aryl group, a C.sub.6 to C.sub.10 aryloxy group, a C.sub.2 to C.sub.10 alkenyl group, a C.sub.7 to C.sub.40 arylalkyl group, a C.sub.7 to C.sub.40 alkylaryl group, a C.sub.8 to C.sub.40 arylalkenyl group, a halogen atom or an amide of formula NR.sup.7.sub.2,R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are the same or different and represent hydrogen, a halogen, a cyano group, a C.sub.1 to C.sub.20 alkyl group, a C.sub.1 to C.sub.10 fluoroalkyl group, a C.sub.6 to C.sub.10 fluoroaryl group, a C.sub.1 to C.sub.10 alkoxy group, a C.sub.6 to C.sub.20 aryl group, a C.sub.6 to C.sub.10 aryloxy group, a C.sub.2 to C.sub.10 alkenyl group, a C.sub.7 to C.sub.40 arylalkyl group, a C.sub.7 to C.sub.40 alkylaryl group, a C.sub.8 to C.sub.40 arylalkenyl group, a C.sub.2 to C.sub.10 alkynyl group, a silyl group substituted by C.sub.1 -C.sub.10 hydrocarbon radicals, a sulphide group substituted by a C.sub.1 -C.sub.10 hydrocarbon radical, or an amino group which is optionally substituted by C.sub.1 -C.sub.20 hydrocarbon radicals,orR.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 each form one or more aliphatic or aromatic ring systems together with the atoms which bond them, which ring systems may contain one or more hetero atoms (O, N, S) and comprise 5 to 10 carbon atoms,R.sup.7 represents hydrogen, a C.sub.1 to C.sub.20 alkyl group, a C.sub.6 to C.sub.20 aryl group, a C.sub.7 to C.sub.40 arylalkyl group, a C.sub.7 to C.sub.40 alkylaryl group, a silyl group which is substituted by C.sub.1 -C.sub.10 hydrocarbon radicals, or an amino group which is optionally substituted by C.sub.1 -C.sub.20 hydrocarbon radicals,andb) an unsaturated compound of formula (II):R.sup.8.sub.a R.sup.9.sub.b CY (II),whereinR.sup.8 and R.sup.9 are the same or different, and denote a hydrogen atom, a halogen atom, a hydroxy group, a C.sub.1 to C.sub.10 alkyl group, a C.sub.1 to C.sub.10 alkoxy group, a C.sub.6 to C.sub.10 aryl group which is optionally substituted by halogen atoms, a C.sub.6 to C.sub.10 aryloxy group, a C.sub.2 to C.sub.10 alkenyl group, a C.sub.7 to C.sub.40 arylalkyl group, a C.sub.7 to C.sub.40 alkylaryl group, a C.sub.8 to C.sub.40 arylalkenyl group, an amino group which is optionally substituted by C.sub.1 -C.sub.20 hydrocarbon radicals, or an imino group which is optionally substituted by C.sub.1 -C.sub.20 hydrocarbon radicals,Y denotes a nitrogen atom, an oxygen atom, a sulphur atom or a group of formula NR.sup.10, wherein R.sup.10 has the same meaning as R.sup.8 and R.sup.9, anda and b represent the numbers 0 or 1,to form a reaction product and reacting said reaction product withc) a co-catalyst.