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US5563284A
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US
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Cyclopentadienyl-type ligands, metallocenes, catalyst systems, preparation, and use
Assignee: Phillips Petroleum Co
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Filing: 1994-09-09
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Granted: 1996-10-08
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Expires: 2014-09-09
Abstract
Abstract In accordance with the present invention there is provided a cyclopentadienyl-type ligand represented by the formula ZA, wherein Z is a cyclopentadienyl-type group, wherein A is --YPR 2 , --YNR 2 , or --NR 2 , wherein Y is an alkylene group containing 1 to 24 carbon atoms, wherein each R is individually selected from alkyl groups containing 1 to 20 carbon atoms. Another aspect of the invention is to provide a metallocene represented by the formula ZAMX 3 , wherein Z and A are as described above, M is a Group IVB or VB transition metal, and X is a halide. Other aspects of the present invention include catalyst systems comprising the metallocenes and an organoaluminoxane, processes for preparing the above defined ligands, metallocenes and catalyst systems, and polymerization processes employing the catalyst systems.
Inventors
- 👤 Krisztina Frey
- 👤 Gabriele von Massow
- 👤 Helmut G. Alt
- 👤 M. Bruce Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:33
CPC Classifications
C; C08; C08F; C08F10/00; C07; C07F; C07F17/00; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5018; C08F110/00; C08F110/02; C08F210/00; C08F210/16; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/639; C08F4/63912; C08F4/63916; C08F4/6392; C08F4/64; C08F4/659; C08F4/65912; C08F4/6592; Y; Y10; Y10S; Y10S526/00; Y10S526/943
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
118 words
A compound represented by the formula ZA: wherein Z is a cyclopentadienyl-type group and is an unsubstituted cyclopentadienyl, substituted cyclopentadienyl, unsubstituted indenyl, substituted indenyl, unsubstituted fluorenyl, or substituted fluorenyl group, wherein the substituents on said cyclopentadienyl-type group are hydrocarbyl groups containing 1 to 12 carbon atoms, alkoxy groups containing 1 to 12 carbon atoms, trialkylsilyl groups where each alkyl group contains 1 to 12 carbon atoms, alkyl halide groups where the alkyl group contains 1 to 12 carbon atoms, or halide; and wherein A is --YPR 2 or --YNR 2 , wherein Y is an alkylene group containing 2 to 24 carbon atoms, wherein each R is individually selected from alkyl groups containing 1 to 20 carbon atoms.
Claim 2
Dependent Claim
118 words
A compound represented by the formula ZA: wherein Z is a cyclopentadienyl-type group and is an unsubstituted cyclopentadienyl, substituted cyclopentadienyl, unsubstituted indenyl, substituted indenyl, unsubstituted fluorenyl, or substituted fluorenyl group, wherein the substituents on said cyclopentadienyl-type group are hydrocarbyl groups containing 1 to 12 carbon atoms, alkoxy groups containing 1 to 12 carbon atoms, trialkylsilyl groups where each alkyl group contains 1 to 12 carbon atoms, alkyl halide groups where the alkyl group contains 1 to 12 carbon atoms, or halide; and wherein A is --YPR 2 or --YNR 2 , wherein Y is an alkylene group containing 2 to 24 carbon atoms, wherein each R is individually selected from alkyl groups containing 1 to 20 carbon atoms.
Claim 3
Dependent Claim
24 words
A compound according to claim 1 wherein Y contains 2 to 20 carbon atoms and wherein each R contains 1 to 10 carbon atoms.
Claim 4
Dependent Claim
24 words
A compound according to claim 2 wherein Y contains 2 to 16 carbon atoms and wherein each R contains 1 to 5 carbon atoms.
Claim 5
Dependent Claim
21 words
A compound according to claim 3 wherein Y is an unsubstituted or substituted etylene group and wherein each R is methyl.
Claim 6
Dependent Claim
22 words
A compound according to claim 1 wherein the substituents on said cyclopentadienyl-type group are alkyl groups containing 1 to 10 carbon atoms.
Claim 7
Dependent Claim
18 words
A compound according to claim 5 wherein the substituents are alkyl groups containing 1 to 6 carbon atoms.
Claim 8
Dependent Claim
17 words
A compound according to claim 1 which is [1-methyl-2-(dimethylphosphino)ethyl]cyclopentadiene, [1-phenyl-2-(dimethylphosphino)ethyl]cyclopentadiene, [1,1-dimethyl-2-(dimethylphosphino)ethyl]cyclopentadiene, [1,1-diphenyl-2-(dimethylphosphino)ethyl]cyclopentadiene, [1-methyl-1-phenyl-2-(dimethylphosphino)ethyl]cyclopentadiene, [1-tert-butyl-2-(dimethylphosphino)ethyl]cyclopentadiene, 9-(trimethylsilyl)-9-(1-(2-dimethylphosphino)ethyl)fluorene, or 9-(1-(2-dimethylphosphino)ethyl)fluorene.
Claim 9
Dependent Claim
122 words
A compound represented by the formula ZA: wherein Z is a cyclopentadienyl-type group and is an unsubstituted cyclopentadienyl, substituted cyclopentadienyl, unsubstituted indenyl, substituted indenyl, unsubstituted fluorenyl, or substituted fluorenyl group, wherein the substituents on said cyclopentadienyl-type group are hydrocarbyl groups containing 1 to 12 carbon atoms, alkoxy groups containing 1 to 12 carbon atoms, trialkylsilyl groups where each alkyl group contains 1 to 12 carbon atoms, alkyl halide groups where the alkyl group contains 1 to 12 carbon atoms, or halide; and wherein A is --YPR 2 or --YNR 2 wherein Y is an alkylene group containing from 2 to 24 carbon atoms, wherein each R is the same and is selected from alkyl groups containing from 1 to 20 carbon atoms.
Claim 10
Dependent Claim
122 words
A compound represented by the formula ZA: wherein Z is a cyclopentadienyl-type group and is an unsubstituted cyclopentadienyl, substituted cyclopentadienyl, unsubstituted indenyl, substituted indenyl, unsubstituted fluorenyl, or substituted fluorenyl group, wherein the substituents on said cyclopentadienyl-type group are hydrocarbyl groups containing 1 to 12 carbon atoms, alkoxy groups containing 1 to 12 carbon atoms, trialkylsilyl groups where each alkyl group contains 1 to 12 carbon atoms, alkyl halide groups where the alkyl group contains 1 to 12 carbon atoms, or halide; and wherein A is --YPR 2 or --YNR 2 wherein Y is an alkylene group containing from 2 to 24 carbon atoms, wherein each R is the same and is selected from alkyl groups containing from 1 to 20 carbon atoms.
Claim 11
Dependent Claim
12 words
A compound according to claim 8 which is [1-phenyl-2-(diethylamino)ethyl]cyclopentadiene, [1-phenyl-2-(dimethylamino)ethyl)cyclopentadiene, or 9-(trimethylsilyl)-9-(1-(2-dimethylamino)ethyl)fluorene.
References Cited (Backward Citations)
US5349100A
Cited
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