Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
View Patent ↗A composition useful for activating catalysts for olefin polymerization is provided. The composition is derived from at least: carrier; organoaluminoxy compound; N,N-dimethylaniline and pentaflurophenol in amounts such that them are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
1. A composition derived from at least:
a) a carrier;
b) an organoaluminoxy compound; and
c) N,N-dimethylaniline and pentafluorophenol in amounts such that there are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
2. The composition of claim 1 , wherein the carrier comprises an inorganic oxide.
3. The composition of claim 2 , wherein the inorganic oxide has a micro pore volume of not less than about 0.3 ml/g and an average particle diameter of about 10 micrometers to about 500 micrometers.
4. The composition of claim 2 wherein the inorganic oxide comprises silica, alumina, silica-alumina, magnesia, titania, zirconia, or clays.
5. The composition of claim 2 wherein the inorganic oxide comprises silica.
6. The composition of claim 1 wherein the organoaluminoxane comprises methylaluminoxane, ethylaluminoxane, n-propylaluminoxane, iso-propylaluminoxane, n-butylaluminoxane, iso-butylaluminoxane, sec-butylaluminoxane, n-pentylaluminoxane, n-hexylaluminoxane, n-heptylaluminoxane, or n-octylaluminoxane.
7. The composition of claim 1 , wherein the composition is suitable for activating an alkylated transition metal component by protonatation.
8. A catalyst for olefin polymerization, wherein the catalyst comprises a composition according to claim 1 and an alkylated transition metal component.
9. A method of preparing a composition comprising combining at least:
a) a carrier;
b) an organoaluminoxy compound; and
c) N,N-dimethylaniline and pentafluorophenol in amounts such that there are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
10. The method of claim 9 wherein the carrier, the organoaluminoxy compound, the N,N-dimethylaniline, and the pentafluorophenol are combined in amounts sufficient and under conditions sufficient such that the composition is suitable for activating an alkylated transition metal component by protonation.
11. A method of preparing a catalyst for olefin polymerization, comprising combining an alkylated transition metal component with a composition derived from at least a carrier; an organoaluminoxy compound; N,N-dimethylaniline; and at least 2 equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
12. A method of polymerizing a monomer comprising combining a catalyst according to claim 8 and the monomer.
13. A method of polymerizing a monomer comprising combining a composition according to claim 1 , an alkylated transition metal component, and the monomer.
14. A composition derived from at least:
a) a carrier;
b) an organoaluminoxy compound;
c) an ionic compound having at least one active proton; and
d) a Lewis base.
15. The composition of claim 14 wherein the ionic compound having at least one active proton is derived from N,N-dimethylaniline and at least two (2) equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
16. A composition derived from at least:
a) a carrier;
b) an organoaluminoxy compound; and
c) an ionic compound having at least one active proton, which is derived from N,N-dimethylaniline and pentafluorophenol.
17. A method of preparing a composition comprising combining at least:
a) a carrier;
b) an organoaluminoxy compound; and
c) an ionic compound having at least one active proton, which is derived from N,N-dimethylaniline and pentafluorophenol.