Aluminoxane catalyst activators derived from dialkylaluminum cation precursor agents, processes for making same, and use thereof in catalysts and polymerization of olefins
View Patent ↗Compositions useful for activating catalysts for olefin polymerization, and methods for making same, are provided. Such compositions can be derived from at least: an organoaluminum compound, a carrier, an oxygen source, and, optionally, a Lewis base.
1. A composition derived from at least:
a) an intermediate composition derived from at least an organoaluminum compound, a carrier, and an oxygen source; and
b) R 2 2 AlY, wherein each R 2 independently comprises a hydrocarbyl group having from 1 to about 20 carbons, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical.
2. The composition of claim 1 , wherein the carrier comprises an inorganic oxide.
3. The composition of claim 2 wherein the inorganic oxide comprises silica, alumina, silica-alumina, magnesia, titania, zirconia, or clays.
4. The composition of claim 2 wherein the inorganic oxide comprises silica.
5. The composition of claim 1 wherein the organoaluminum compound comprises trimethyl aluminum, tri ethyl aluminum, or triisobutylaluminum.
6. The composition of claim 1 wherein the R 2 2 AlY comprises dimethylaluminum halide.
7. The composition of claim 1 wherein the R 2 2 AlY comprises dialkylaluminum fluoride.
8. The composition of claim 1 wherein the R 2 2 AlY comprises dimethylaluminum fluoride.
9. The composition of claim 1 , wherein the composition is further derived from a Lewis base.
10. A catalyst composition for olefin polymerization, wherein the catalyst composition is prepared by combining at least a composition according to claim 1 and a transition metal component.
11. A composition derived from at least:
a) an intermediate composition derived from at least a carrier and an oxygenated organoaluminum compound; and
b) R 2 2 AlY, wherein each R 2 independently comprises a hydrocarbyl group having from 1 to about 20 carbon atoms, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical.
12. A composition derived from at least:
a) an intermediate composition derived from at least a carrier and an oxygenated organoaluminum compound;
b) R 2 2 AlY, wherein each R 2 independently comprises a hydrocarbyl group having from 1 to about 20 carbon atoms, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical; and
c) a Lewis base.
13. A catalyst composition for olefin polymerization, wherein the catalyst composition is prepared by combining at least a composition according to claim 11 and a transition metal component.
14. A method of preparing a composition comprising:
a) combining at least an organoaluminum compound, a carrier, and an oxygen source to form an intermediate composition; and
b) combining at least a portion of the intermediate composition with R 2 2 AlY, wherein each R 2 independently comprises a hydrocarbyl group having from 1 to about 20 carbons, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical.
15. A method of preparing a composition comprising combining at least:
a) an intermediate composition derived from at least a carrier and an oxygenated organoaluminum compound; and
b) R 2 2 AlY, wherein each R 2 independently comprises hydrocarbyl group having from 1 to about 20 carbon atoms, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical.
16. A method of preparing a composition comprising combining at least:
a) an intermediate composition derived from at least a carrier and an oxygenated organoaluminum compound;
b) R 2 2 AlY, wherein each R 2 independently comprises hydrocarbyl group having from 1 to about 20 carbon atoms, and Y comprises a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical; and
c) Lewis base.
17. A method of polymerizing monomer comprising combining a composition according to claim 1 , a transition metal component, and monomer.
18. A composition derived from at least:
a) an intermediate composition derived from at least an organoaluminum compound and an oxygen source; and
b) R 2 2 AlY, wherein each R 2 independently comprises hydrocarbyl group having from 1 to about 20 carbons, and Y consists essentially of an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, or a diaryl boronoxy radical.
19. A composition derived from at least:
a) an intermediate composition derived from at least an organoaluminum compound and an oxygen source;
b) R 2 2 AlY, wherein each R 2 independently comprises hydrocarbyl group having from 1 to about 20 carbons, and Y consists essentially of an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, or a diaryl boronoxy radical; and
c) a Lewis base.
20. A catalyst composition for olefin polymerization, wherein the catalyst composition is prepared by combining at least a composition according to claim 18 and a transition metal component.
21. A method of polymerizing monomer comprising combining a composition according to claim 18 , a transition metal component, and monomer.
22. A composition according to claim 1 having one of the following structures:
wherein is a bulk aluminoxane (AO) structure, each R B , R P , and R 2 is independently a hydrocarbyl group having up to about 20 carbon atoms, and each Y is independently a halide radical, a pseudo halide radical, an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical, a diaryl boronoxy radical, or a halogenated diaryl boronoxy radical;
and a carrier, wherein said carrier is attached to said bulk aluminoxane structure.
23. The composition of claim 22 , wherein each R B , R P , and R 2 is methyl or iso-butyl.
24. The composition of claim 23 , wherein Y is halide radical, alkoxide radical or aryloxide radical.
25. The composition of claim 24 , wherein Y is methoxide radical, ethoxide radical, isobutoxide radical, tert-butoxide radical, phenoxide radical, 2,6-di-tert-butyl-4-methyl-phenoxide radical, pentafluorophenoxide radical or fluoride.
26. The composition of claim 22 , wherein the composition has the structure of Formula I or Formula II.
27. The composition of claim 26 , wherein each R B , R P , and R 2 is methyl or iso-butyl and Y is a methoxide radical, tert-butoxide radical, phenoxide radical or pentafluorophenoxide radical, or fluoride.
28. A composition comprising the composition of claim 22 , and a transition metal component.
29. The composition of claim 22 , wherein said carrier is silica.
30. The composition of claim 22 , wherein the mole ratio of Y to the aluminum in the bulk aluminoxane structure is about 1:30 to about 8:25.
31. The composition of claim 22 , wherein each Y is independently an alkoxide radical, an aryloxide radical, an alkyl substituted amide radical, an aryl substituted amide radical, a siloxy radical, a boronoxy radical or a diaryl boronoxy radical.