Process and catalyst for polyolefin density and molecular weight control

Claim 2

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, ethyl, propyl, butyl, amyl, isoamyl, hexyl, isobutyl, heptyl, octyl, nonyl, decyl, cetyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical and (b) an alumoxane.

Claim 3

The catalyst system of claim 1 wherein p is 0, Q is chlorine and R' is ethyl or butyl.

Claim 4

A process for polymerizing one or more olefins which comprises conducting the polymerization in the presence of the catalyst system of claim 1.

Claim 5

The process for polymerizing one or more olefins which comprises conducting the polymerization in the presence of the catalyst system of claim 2.

Claim 6

The process of claim 3 wherein the olefin is ethylene or an alpha olefin having from 3-9 carbon atoms.

Claim 7

The process of claim 4 wherein the olefin is ethylene.

Claim 8

A catalyst system for the polymerization of olefins comprising (a) a single metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 9

A catalyst system for the polymerization of olefins comprising (a) a single metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 10

A catalyst system for the polymerization of olefins to a polyolefin having a molecular weight which can be dependent on a choice of metallocene catalyst component comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1 to 20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 11

A catalyst system for the polymerization of olefins to a polyolefin having a molecular weight which can be dependent on a choice of metallocene catalyst component comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1 to 20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 12

A catalyst system comprising a metallocene catalyst component and an alumoxane, which polymerizes olefins to polymers of a molecular weight distribution expressed as M w /M n of from 1.5 to 4.0, in which the metallocene catalyst component consists essentially of a metallocene represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is zirconium, a (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1, at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical.

Claim 13

A catalyst system comprising a metallocene catalyst component and an alumoxane, which polymerizes olefins to polymers of a molecular weight distribution expressed as M w /M n of from 1.5 to 4.0, in which the metallocene catalyst component consists essentially of a metallocene represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is zirconium, a (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1, at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical.

Claim 14

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component consisting of metallocenes represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, a (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or a (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 15

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component consisting of metallocenes represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, a (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or a (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 16

A catalyst system comprising a metallocene catalyst component and an alumoxane, which polymerizes olefins to polymers of a molecular weight distribution expressed as M w /M n of from 1.5 to 4.0, in which the metallocene catalyst component is represented by the formula (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is titanium, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0,1 or 2 and when s is 1, m is 4 and p is 1.

Claim 17

A catalyst system comprising a metallocene catalyst component and an alumoxane, which polymerizes olefins to polymers of a molecular weight distribution expressed as M w /M n of from 1.5 to 4.0, in which the metallocene catalyst component is represented by the formula (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is titanium, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0,1 or 2 and when s is 1, m is 4 and p is 1.

Claim 18

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, at least one (C 5 R' m ) is a di-alkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an alkyl or arylalkyl radical having from 1 to 20 carbon atoms, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 19

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, at least one (C 5 R' m ) is a di-alkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl or (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an alkyl or arylalkyl radical having from 1 to 20 carbon atoms, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 20

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, a (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalky radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is an alkylene, germanium, silicon, phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0,1 or 2 and when s is 1, m is 4 and p is 1 ; at least one R' is a hydrocarbyl radical when at least one O is an alkyl radical; and (b) an alumoxane.

Claim 21

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, a (C 5 R' m ) is a dialkyl, tri-alkyl, tetra-alkyl or penta-alkyl cyclopentadienyl (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalky radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is an alkylene, germanium, silicon, phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0,1 or 2 and when s is 1, m is 4 and p is 1 ; at least one R' is a hydrocarbyl radical when at least one O is an alkyl radical; and (b) an alumoxane.

Claim 22

The catalyst system of claim 13 wherein the metallocene component is (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and p is 1.

Claim 23

The catalyst system of claim 14, wherein s is 1.

Claim 24

The catalyst system of claim 15, wherein R" is a C 1 -C 4 alkylene radical, a dialkyl germanium, dialkyl silicon or an alkyl phosphine or amine radical.

Claim 25

The catalyst system of claim 16, wherein R" is a dialkyl silyl radical.

Claim 26

The catalyst system of claim 17, wherein R" is a dimethylsilyl radical.

Claim 27

The catalyst system of claims 14 or 16, wherein Q is chlorine or methyl.

Claim 28

The catalyst system of claim 19, wherein Me is Zr or Ti.

Claim 29

The catalyst system of claims 14 or 16, wherein a (C 5 R' m ) is a dialkyl substituted cyclopentadienyl group.

Claim 30

The catalyst system of claim 21, wherein s is O.

Claim 31

The catalyst system of claim 13 or 14, wherein Me is Zr.

Claim 32

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 33

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 34

A catalyst system for the polymerization of olefins comprising (a) a single metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 35

A catalyst system for the polymerization of olefins comprising (a) a single metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 36

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)TiQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 TiQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 37

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)TiQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 TiQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 38

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)TiQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 TiQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 39

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)TiQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 TiQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 40

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m) ZrQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 ZrQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1 to 20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 41

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m) ZrQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 ZrQ' wherein (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1 to 20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 42

The catalyst system of claim 28 wherein component (a) is one of bis(methylcyclopentadienyl) zirconium dichloride, bis(ethylcyclopentadienyl) zirconium dichloride, bis(beta-phenylpropylcyclopentadienyl) zirconium dichloride, bis(penta-methylcyclopentadienyl) zirconium dichloride, bis(tetra-methylcyclopentadienyl)zirconium dimethyl, or bis(ethylcyclopentadienyl) zirconium dimethyl.

Claim 43

The process for polymerizing one or more olefins which comprises conducting the polymerization in the presence of the catalyst system of claim 29.

Claim 44

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 1 and m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 45

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 1 and m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical; and (b) an alumoxane.

Claim 46

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 47

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, an alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an aryl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; and (b) an alumoxane.

Claim 48

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an ethyl, propyl, butyl, amyl, isoamyl, hexyl, isobutyl, heptyl, octyl, nonyl, decyl, cetyl, alkyl, aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical and (b) an alumoxane.

Claim 49

A catalyst system for the polymerization of olefins comprising (a) a metallocene catalyst component represented by the formulas (C.sub.5 R'.sub.m).sub.p R".sub.s (C.sub.5 R'.sub.m)MeQ.sub.3-p and R".sub.s (C.sub.5 R'.sub.m).sub.2 MeQ' wherein Me is a Group 4B, 5B, 6B metal, (C 5 R' m ) is a substituted cyclopentadienyl, each R', which can be the same or different, is hydrogen, alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms or two adjacent carbon atoms are joined together to form a C 4 -C 6 ring, R" is a C 1 -C 4 alkylene radical, a dialkyl germanium or silicon, or an alkyl phosphine or amine radical substituting on and bridging two (C 5 R' m ) rings, each Q which can be the same or different is an ethyl, propyl, butyl, amyl, isoamyl, hexyl, isobutyl, heptyl, octyl, nonyl, decyl, cetyl, alkyl, aryl, alkyl, alkenyl, alkylaryl, or arylalkyl radical having from 1 to 20 carbon atoms or halogen, Q' is an alkylidene radical having from 1-20 carbon atoms, s is 0 or 1 and when s is 0, m is 5 and p is 0, 1 or 2 and when s is 1, m is 4 and p is 1; at least one R' is a hydrocarbyl radical when at least one Q is an alkyl radical and (b) an alumoxane.