Claims
- 1. A method of producing a catalytically active catalyst composition, which method comprises bringing together a d- or f-block metal compound having at least one leaving group and a hydroxyaluminoxane such that a catalytically active catalyst composition is formed.
- 2. A method according to claim 1 wherein said compound and said hydroxyaluminoxane are brought together in an inert atmosphere and in an inert, anhydrous solvent medium.
- 3. A method according to claim 1 wherein a dried, essentially hydrate-free support is included in said medium.
- 4. A method according to claim 1 wherein said catalytically active catalyst composition is added to a dried, essentially hydrate-free support after said catalyst composition has been formed.
- 5. A method according to any of claims 1-4 wherein said at least one leaving group is a methyl group.
- 6. A method according to any of claims 1-4 wherein said d- or f-block metal compound is a metallocene.
- 7. A method according to claim 6 wherein said metallocene has two cyclopentadienyl-moiety-containing groups in the molecule, which groups can be the same or different from each other.
- 8. A method according to claim 7 wherein the metal of said metallocene is a Group 4 metal.
- 9. A method according to claim 8 wherein said at least one leaving group is a methyl group.
- 10. A method according to claim 9 wherein said Group 4 metal is zirconium or hafnium.
- 11. A method according to any of claims 1-4 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups have in the range of 2 to about 9 carbon atoms each.
- 12. A method according to any of claims 1-4 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups are primary alkyl groups.
- 13. A method according to any of claims 1-4 wherein the hydroxyaluminoxane is a hydroxyisobutylaluminoxane.
- 14. A method according to any of claims 1-4 wherein said method is performed at a temperature in the range of about 15 to about 30° C.
- 15. A catalytically active catalyst composition formed from reaction between a d- or f-block metal compound having at least one leaving group and a hydroxyaluminoxane.
- 16. A composition according to claim 15 wherein the metal of said metal compound is a Group 4 metal.
- 17. A composition according to claim 15 wherein said d- or f-block metal compound is a metallocene.
- 18. A composition according to claim 17 wherein the metal of said metallocene is a Group 4 metal.
- 19. A composition according to claim 18 wherein said Group 4 metal is zirconium.
- 20. A composition according to claim 18 wherein said Group 4 metal is hafnium.
- 21. A composition according to claim 17 wherein said metallocene has two cyclopentadienyl-moiety-containing groups in the molecule, which groups can be the same or different from each other.
- 22. A composition according to claim 17 wherein the metal of said metallocene is a Group 4 metal.
- 23. A composition according to claim 22 wherein said Group 4 metal is zirconium.
- 24. A composition according to claim 22 wherein said Group 4 metal is hafnium.
- 25. A composition according to any of claims 15-24 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups have in the range of 2 to about 9 carbon atoms each.
- 26. A method according to any of claims 15-24 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups are primary alkyl groups.
- 27. A method according to any of claims 15-24 wherein the hydroxyaluminoxane is a hydroxyisobutylaluminoxane.
- 28. A method according to any of claims 15-24 wherein said at least one leaving group is a methyl group.
- 29. A composition according to claim 28 wherein the hydroxyaluminoxane is a hydroxyisobutylaluminoxane.
- 30. A process for producing a polymer, which process comprises homopolymerizing a polymerizable olefin or copolymerizing two or more copolymerizable monomers at least one of which is a 1-olefin, with the other monomer or monomers being one or more 1-olefins different from that of (i) and/or (iii) a diolefin, and/or (iv) a polymerizable acetylenic monomer using as a catalyst, a catalytically active catalyst composition formed from a d- or f-block metal compound having at least one leaving group and a hydroxyaluminoxane.
- 31. A process according to claim 30 wherein a polymerizable olefin is homopolymerized.
- 32. A process according to claim 31 wherein said polymerizable olefin is a 1-olefin.
- 33. A process according to claim 32 wherein said 1-olefin is ethylene, propylene, 1-butene, or styrene.
- 34. A process according to claim 30 wherein two or more copolymerizable monomers are copolymerized, at least one of which is a 1-olefin.
- 35. A process according to claim 34 wherein said other monomer or monomers are one or more 1-olefins different from said 1-olefin of claim 34 and, optionally, a diolefin or a polymerizable acetylenic monomer, or both.
- 36. A process according to claim 34 wherein said other monomer or monomers are one or more 1-olefins different from said 1-olefin of claim 34.
- 37. A process according to claim 30 wherein said process is conducted in a solvent.
- 38. A process according to claim 30 wherein said catalyst composition is supported on a particulate support or carrier material.
- 39. A process according to claim 38 wherein said particulate support or carrier material is a porous support material.
- 40. A process according to claim 38 wherein said particulate support or carrier material is an inorganic oxide support material.
- 41. A process according to claim 38 wherein said process is conducted as a slurry process.
- 42. A process according to claim 38 wherein said process is conducted as a gas phase process.
- 43. A process according to any of claims 37, 41, or 42 wherein said at least one leaving group is a methyl group.
- 44. A process according to any of claims 31 or 34 wherein said d- or f-block metal compound is a metallocene.
- 45. A process according to claim 44 wherein the metal of said metallocene is a Group 4 metal.
- 46. A process according to claim 45 wherein said at least one leaving group is a methyl group.
- 47. A process according to claim 46 wherein said Group 4 metal is zirconium or hafnium.
- 48. A process according to claim 44 wherein said metallocene has two cyclopentadienyl-moiety-containing groups in the molecule, which groups can be the same or different from each other.
- 49. A process according to claim 48 wherein the metal of said metallocene is zirconium or hafnium.
- 50. A process according to claim 49 wherein said at least one leaving group is a methyl group.
- 51. A process according to any of claims 31 or 34 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups have in the range of 2 to about 9 carbon atoms each.
- 52. A process according to claim 51 wherein said d- or f-block metal compound is a metallocene.
- 53. A process according to claim 52 wherein the metal of said metallocene is a Group 4 metal.
- 54. A process according to any of claims 31 or 34 wherein the hydroxyaluminoxane is a hydroxyalkylaluminoxane in which the alkyl groups are primary alkyl groups.
- 55. A process according to claim 54 wherein said d- or f-block metal compound is a metallocene.
- 56. A process according to claim 55 wherein the metal of said metallocene is a Group 4 metal.
- 57. A process according to claim 56 wherein said metallocene has two cyclopentadienyl-moiety-containing groups in the molecule, which groups can be the same or different from each other.
- 58. A process according to claim 53 wherein the metal of said metallocene is zirconium or hafnium.
- 59. A method according to any of claims 31 or 34 wherein the hydroxyaluminoxane is a hydroxyisobutylaluminoxane.
- 60. A method according to claim 59 wherein said d- or f-block metal compound is a metallocene.
- 61. A process according to claim 60 wherein said metallocene has two cyclopentadienyl-moiety-containing groups in the molecule, which groups can be the same or different from each other.
- 62. A process according to claim 61 wherein said at least one leaving group is a methyl group.
- 63. A process according to claim 62 wherein the metal of said metallocene is zirconium or hafnium.
REFERENCE TO RELATED APPLICATIONS
[0001] This is a continuation-in-part of commonly-owned copending application Ser. No. 09/655,218, filed Sep. 5, 2000, which in turn is a continuation-in-part of commonly-owned application Ser. No. 09/177,736, filed Oct. 23, 1998, now U.S. Pat. No. 6,160,145, issued Dec. 12, 2000. Reference is also made to commonly-owned copending application Ser. Nos. ______ [Case OR-7067-B, and Case OR-7067-C] ______, both filed Sep. 5, 2001.
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
09655218 |
Sep 2000 |
US |
Child |
09946880 |
Sep 2001 |
US |
Parent |
09177736 |
Oct 1998 |
US |
Child |
09655218 |
Sep 2000 |
US |