Claims
- 1. An olefin polymerization catalyst composition comprising the product of the combination of at least one activator and at least two different transition metal compounds each of which is represented by the formula:
- 2. The catalyst system of claim 1 wherein t is 1, Z is bound to one or more R′ groups independently selected from group consisting of hydrogen or linear, branched, alkyl radicals or cyclic alkyl, alkenyl, alkynyl or aryl radicals, two or more R′ groups may be joined to form a cyclic moiety, optionally, an R′ group may be joined to A; and J is substituted with two or more R″ groups independently selected from the group consisting of hydrogen or linear, branched, cyclic, alkyl radicals, or alkenyl, alkynyl, alkoxy, aryl or aryloxy radicals and two or more R″ groups may be joined to form a cyclic moiety, optionally, an R″ may be joined to A.
- 3. The catalyst system of claim 1 wherein at least one of the transition metal catalyst is represented by the formula:
- 4. The catalyst system of claim 3 wherein t is 1, Z is bound to one or more R′ groups independently selected from group consisting of hydrogen or linear, branched, alkyl radicals or cyclic alkyl, alkenyl, alkynyl or aryl radicals, two or more R′ groups may be joined to form a cyclic moiety, optionally, an R′ group may be joined to A; and J is substituted with two or more R″ groups independently selected from the group consisting of hydrogen or linear, branched, cyclic, alkyl radicals, or alkenyl, alkynyl, alkoxy, aryl or aryloxy radicals and two or more R″ groups may be joined to form a cyclic moiety, optionally, an R″ may be joined to A.
- 5. The catalyst system of claim 3 wherein T is a hydrocarboxy group, a boronate group, an amide group or a cyclopentadienide group.
- 6. The catalyst system of claim 3 wherein T is an alkoxide, acetylacetonate, or carboxylate or a phenoxide.
- 7. The catalyst system of claim 1 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group is a hydrocarboxy group, a boronate or an amide.
- 8. The catalyst system of claim 1 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group is an alkoxide, phenoxide, acetylacetonate, carboxylate, cyclopentadienyl, flourenyls or an indenyl group.
- 9. The catalyst system of claim 1 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group of the second catalyst is a hydrocarboxy adduct of the analogous Q group on the first catalyst.
- 10. The catalyst system of claim 9 wherein the hydrocarboxy adduct is an alkoxide adduct, a boronate or an amide adduct.
- 11. The catalyst system of claim 9 wherein the hydrocarboxy adduct is a phenoxide adduct, acetylacetonate adduct, or carboxylate adduct.
- 12. The catalyst system of claim 1 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group of the second catalyst is a cyclopentadienyl adduct, a flourenyl adduct or an indenyl adduct of the analogous Q group on the first catalyst.
- 13. The composition of claim 1 wherein M is titanium, zirconium or hafnium in all the transition metal compounds.
- 14. The composition of claim 1 wherein each Q is independently selected from the group consisting of boronates, halogens, hydrogen, alkyl, aryl, alkenyl, alkylaryl, arylalkyl, hydrocarboxy or phenoxy radicals having 1-20 carbon atoms, amides, phosphides, sulfides, silylalkyls, diketonates, and carboxylates.
- 15. The composition of claim 1 wherein X and Y are independently nitrogen, oxygen, sulfur or phosphorus.
- 16. The composition of claim 1 wherein Z is an aryl group.
- 17. The composition of claim 1 wherein J is pyridine.
- 18. The composition of claim 1 wherein the two different transition metal compounds are [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl and [[1-(2-Pyridyl)N-1-Methylethyl]-[1-N-2,6-Diisopropylphenyl Amido]][2-Methyl-1-Phenyl-2-Propoxy] Zirconium Dibenzyl.
- 19. The composition of claim 1 wherein the activator is an alumoxane.
- 20. The composition of claim 1 wherein the activator is a non-coordinating anion.
- 21. The composition of claim 3 wherein the activator is an alumoxane.
- 22. The composition of claim 3 wherein the activator is a modified methyl alumoxane.
- 23. The composition of claim 1 further comprising a metal stearate.
- 24. The composition of claim 1 further comprising aluminum distearate.
- 25. The composition of claim 1 wherein X and Y are nitrogen.
- 26. A process to polymerize olefins comprising contacting an olefin with a catalyst composition comprising and activator and at least two different transition metal compounds each of which is represented by the formula:
- 27. The process of claim 26 wherein t is 1, Z is bound to one or more R′ groups independently selected from group consisting of hydrogen or linear, branched, alkyl radicals or cyclic alkyl, alkenyl, alkynyl or aryl radicals, two or more R′ groups may be joined to form a cyclic moiety, optionally, an R′ group may be joined to A; and J is substituted with two or more R″ groups independently selected from the group consisting of hydrogen or linear, branched, cyclic, alkyl radicals, or alkenyl, alkynyl, alkoxy, aryl or aryloxy radicals and two or more R″ groups may be joined to form a cyclic moiety, optionally, an R″ may be joined to A.
- 28. The process of claim 26 wherein at least one of the transition metal catalyst is represented by the formula:
- 29. The process of claim 28 wherein t is 1, Z is bound to one or more R′ groups independently selected from group consisting of hydrogen or linear, branched, alkyl radicals or cyclic alkyl, alkenyl, alkynyl or aryl radicals, two or more R′ groups may be joined to form a cyclic moiety, optionally, an R′ group may be joined to A; and J is substituted with two or more R″ groups independently selected from the group consisting of hydrogen or linear, branched, cyclic, alkyl radicals, or alkenyl, alkynyl, alkoxy, aryl or aryloxy radicals and two or more R″ groups may be joined to form a cyclic moiety, optionally, an R″ may be joined to A.
- 30. The process of claim 28 wherein T is a hydrocarboxy group, a boronate or an amide, preferably an alkoxide, phenoxide, acetylacetonate, or carboxylate or a cyclopentadienide group.
- 31. The process of claim 28 wherein T is an alkoxide or a phenoxide.
- 32. The process of claim 26 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group is a hydrocarboxy group, a boronate or an amide.
- 33. The process of claim 26 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group is an alkoxide, phenoxide, acetylacetonate, carboxylate, cyclopentadienyl, flourenyls or an indenyl group.
- 34. The process of claim 26 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group of the second catalyst is a hydrocarboxy adduct of the analogous Q group on the first catalyst.
- 35. The process of claim 34 wherein the hydrocarboxy adduct is an alkoxide adduct, a boronate or an amide adduct.
- 36. The process of claim 34 wherein the hydrocarboxy adduct is a phenoxide adduct, acetylacetonate adduct, or carboxylate adduct.
- 37. The process of claim 26 wherein n is 2 or 3 and the second catalyst is the same as the first catalyst except that one Q group of the second catalyst is a cyclopentadienyl adduct, a flourenyls adduct or an indenyl adduct of the analogous Q group on the first catalyst.
- 38. The process of claim 26 wherein M is titanium, zirconium or hafnium.
- 39. The process of claim 26 wherein M is zirconium.
- 40. The process of claim 26 wherein each Q is independently selected from the group consisting of boronates, halogens, hydrogen, alkyl, aryl, alkenyl, alkylaryl, arylalkyl, hydrocarboxy or phenoxy radicals having 1-20 carbon atoms, amides, phosphides, sulfides, silylalkyls, diketonates, and carboxylates.
- 41. The process of claim 26 wherein X and Y are independently nitrogen, oxygen, sulfur or phosphorus.
- 42. The process of claim 26 wherein Z is an aryl group.
- 43. The process of claim 26 wherein J is pyridine.
- 44. The process of claim 26 wherein the two different transition metal compounds are [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl and [[1-(2-Pyridyl)N-1-Methylethyl]-[l-N-2,6-Diisopropylphenyl Amido]][2-Methyl-1-Phenyl-2-Propoxy] Zirconium Dibenzyl.
- 45. The process of claim 26 wherein the activator is an alumoxane.
- 46. The process of claim 26 wherein the activator is a non-coordinating anion.
- 48. The process of claim 26 wherein the activator is a modified methyl alumoxane.
- 49. The process of claim 26 wherein the olefin is a monomer having 2 to 30 carbon atoms.
- 50. The process of claim 26 wherein the olefin comprises ethylene.
- 51. The process of claim 26 wherein the olefin comprises ethylene and one or more of propylene, butene-1, pentene-1,4-methyl-pentene-1, hexene-1, octene-1, decene-1, and 3-methyl-pentene-1.
- 52. The process of claim 26 wherein the reactor temperature is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the temperature is varied.
- 53. The process of claim 26 wherein the temperature of the catalyst system before the catalyst system is introduced into the reactor is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the temperature is varied.
- 54. The process of claim 26 wherein the activator to catalyst ratio is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the ratio change.
- 55. The process of claim 26 wherein the ratio of the first catalyst to the second catalyst is 5:95 to 95:5.
- 55. The process of claim 26 wherein the ratio of the first catalyst to the second catalyst is 25:75 to 75:25.
- 56. The process of claim 26 wherein the ratio of the first catalyst to the second catalyst is 40:60 to 60:40.
- 57. The process of claim 26 wherein the transition metal compounds are contacted with solvent prior to contact with the activator.
- 58. The process of claim 26 further comprising a method to control molecular weight distribution (Mw/Mn), flow index, and/or density comprising altering on line in a gas phase reactor having a volume of 1500 cubic feet or more the reaction temp and/or the catalyst ratio in the intimately mixed catalyst solution and/or the hydrogen concentration and/or the activator to transition metal ratio.
STATEMENT OF RELATED APPLICATIONS
[0001] This application relates to U.S. Ser. No. 09/103,620 filed Jun. 23, 1998 claiming the benefit of provisional application number 60/051,581, filed Jul. 2, 1997 and to concurrently filed U.S. patent applications, Ser. Nos. 09/213,627, 09/216,215, and 09/216,613, all filed Dec. 18, 1998.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60051581 |
Jul 1997 |
US |
Divisions (1)
|
Number |
Date |
Country |
Parent |
09215706 |
Dec 1998 |
US |
Child |
09843594 |
Apr 2001 |
US |