US5637660A
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Polymerization of α-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety
Assignee: Equistar Chemicals LP
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Filing: 1995-04-17
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Granted: 1997-06-10
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Expires: 2015-04-17
Abstract
Abstract Disclosed is a novel bidentate pyridine transition metal catalyst having the general formula <IMAGE> where Y is O, S, NR, <IMAGE> each R is independently selected from hydrogen or C1 to C6 alkyl, each R' is independently selected from C1 to C6 alkyl, C1 to C6 alkoxy, C6 to C16 aryl, halogen, or CF3, M is titanium, zirconium, or hafnium, each X is independently selected from halogen, C1 to C6 alkyl, C1 to C6 alkoxy, or <IMAGE> L is X, cyclopentadienyl, C1 to C6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or <IMAGE> and "n" is 1 to 4. Also disclosed is a method of making a poly- alpha -olefin comprising polymerizing an alpha -olefin monomer using that catalyst or a catalyst that has the general formula <IMAGE> where Y, M, L, X, and R' were previously defined.
Inventors
- 👤 Sandor Nagy
- 👤 Ramesh Krishnamurti
- 👤 John A. Tyrell
- 👤 Leonard V. Cribbs
- 👤 Mary Cocoman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:15
CPC Classifications
C; C08; C08F; C08F10/00; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01J31/1825; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/2282; B01J31/2295; C07; C07F; C07F17/00; C07F7/00; C07F7/003; C07F7/28; C08F10/02; B01J2531/00; B01J2531/40; B01J2531/46; B01J2531/48; B01J2531/49; B01J2531/50; B01J2531/56; B01J2531/57; B01J2531/60; B01J2531/62; B01J2531/66; B01J2531/80; B01J2531/82; B01J2531/828; B01J31/226; B01J31/24; B01J31/2404; C08F110/00; C08F110/02; C08F210/00; C08F210/16; C08F2420/00; C08F2420/04; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65912; Y; Y10; Y10S; Y10S526/00; Y10S526/943
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
138 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer in the presence of a cocatalyst with a catalyst that has the general formula ##STR18## where Y is O, S, NR, ##STR19## each R is independently selected from the group consisting of hydrogen and C 1 to C 6 alkyl, M is titanium, zirconium, or hafnium, each X is independently selected from the group consisting of halogen, C 1 to C 6 alkyl, C 1 to C 6 alkoxy, and ##STR20## L is X, cyclopentadienyl, C 1 to C 6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or ##STR21## each R' is independently selected from the group consisting of R, C 1 to C 6 alkoxy, C 6 to C 16 aryl, halogen, and CF 3 , and each "n" is 1 to 4.
Claim 2
Independent Claim
138 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer in the presence of a cocatalyst with a catalyst that has the general formula ##STR18## where Y is O, S, NR, ##STR19## each R is independently selected from the group consisting of hydrogen and C 1 to C 6 alkyl, M is titanium, zirconium, or hafnium, each X is independently selected from the group consisting of halogen, C 1 to C 6 alkyl, C 1 to C 6 alkoxy, and ##STR20## L is X, cyclopentadienyl, C 1 to C 6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or ##STR21## each R' is independently selected from the group consisting of R, C 1 to C 6 alkoxy, C 6 to C 16 aryl, halogen, and CF 3 , and each "n" is 1 to 4.
Claim 3
Dependent Claim
14 words
A method according to claim 1 wherein said catalyst has the general formula ##STR22##
Claim 4
Dependent Claim
14 words
A method according to claim 2 wherein Y is oxygen and X is halogen.
Claim 5
Dependent Claim
10 words
A method according to claim 2 wherein M is titanium.
Claim 6
Dependent Claim
10 words
A method according to claim 2 wherein M is zirconium.
Claim 7
Dependent Claim
14 words
A method according to claim 5 wherein Y is oxygen and X is halogen.
Claim 8
Dependent Claim
10 words
A method according to claim 6 wherein X is chlorine.
Claim 9
Dependent Claim
10 words
A method according to claim 7 wherein L is cyclopentadienyl.
Claim 10
Dependent Claim
20 words
A method according to claim 8 wherein R' is selected from the group consisting of chlorine, methyl, and mixtures thereof.
Claim 11
Dependent Claim
26 words
A method according to claim 1 wherein said catalyst is selected from the group consisting of 8-quinolinoxy-titanium trichloride, 8-(2-methyl-5,7-dichloro-quinolin)oxytitanium trichloride, (cyclopentadienyl)-(8-quinolinoxy)zirconium dichloride, (cyclopentadienyl)-[8-(2-methyl-5,7-dichloroquinolin)oxy]zirconiumdichloride, and mixtures thereof.
Claim 12
Independent Claim
138 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer in the presence of a cocatalyst with a catalyst that has the general formula ##STR23## where Y is O, S, NR ##STR24## each R is independently selected from the group consisting of hydrogen and C 1 to C 6 alkyl, M is titanium, zirconium, or hafnium, each X is independently selected from the group consisting of halogen, C 1 to C 6 alkyl, C 1 to C 6 alkoxy, and ##STR25## L is X, cyclopentadienyl, C 1 to C 6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or ##STR26## each R' is independently selected from the group consisting of R, C 1 to C 6 alkoxy, C 6 to C 16 aryl, halogen, and CF 3 , and each "n" is 1 to 4.
Claim 13
Independent Claim
138 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer in the presence of a cocatalyst with a catalyst that has the general formula ##STR23## where Y is O, S, NR ##STR24## each R is independently selected from the group consisting of hydrogen and C 1 to C 6 alkyl, M is titanium, zirconium, or hafnium, each X is independently selected from the group consisting of halogen, C 1 to C 6 alkyl, C 1 to C 6 alkoxy, and ##STR25## L is X, cyclopentadienyl, C 1 to C 6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or ##STR26## each R' is independently selected from the group consisting of R, C 1 to C 6 alkoxy, C 6 to C 16 aryl, halogen, and CF 3 , and each "n" is 1 to 4.
Claim 14
Dependent Claim
23 words
A method according to claim 11 wherein said catalyst is selected from the group consisting of bis(2-pyridinoxy)titanium dichloride, (cyclopentadienyl)(2-pyridinoxy)titanium dichloride, and mixtures thereof.
Claim 15
Dependent Claim
14 words
A method according to claim 11 wherein Y is oxygen and X is halogen.
Claim 16
Dependent Claim
10 words
A method according to claim 11 wherein M is titanium.
Claim 17
Dependent Claim
10 words
A method according to claim 11 wherein M is zirconium.
Claim 18
Dependent Claim
14 words
A method according to claim 15 wherein Y is oxygen and X is halogen.
Claim 19
Dependent Claim
10 words
A method according to claim 16 wherein X is chlorine.
Claim 20
Dependent Claim
10 words
A method according to claim 17 wherein L is cyclopentadienyl.
Claim 21
Dependent Claim
20 words
A method according to claim 18 wherein R' is selected from the group consisting of chlorine, methyl, and mixtures thereof.
Claim 22
Independent Claim
66 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer under polymerizing conditions in the presence of a methylaluminoxane cocatalyst with a catalyst that has the general formula ##STR27## where M is titanium or zirconium, X is halogen, L is halogen or cyclopentadienyl, and each R' is independently selected from the group consisting of hydrogen chlorine, methyl, and mixtures thereof.
Claim 23
Independent Claim
66 words
A method of making a poly-α-olefin comprising polymerizing an α-olefin monomer by contacting said α-olefin monomer under polymerizing conditions in the presence of a methylaluminoxane cocatalyst with a catalyst that has the general formula ##STR27## where M is titanium or zirconium, X is halogen, L is halogen or cyclopentadienyl, and each R' is independently selected from the group consisting of hydrogen chlorine, methyl, and mixtures thereof.
References Cited (Backward Citations)
US3900452A
Cited
WO1991010634A1
Cited
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