Organometallic fluorenyl compounds and use thereof in olefin polymerization
AssigneePhillips Petroleum Company
InventorsHelmut G. Alt, Gil R. Hawley, Paul D. Smith, Syriac J. Palackal, Michael Schmid, M. Bruce Welch, Konstantinos Patsidis, Rolf L. Geerts, Eric T. Hsieh, Max P. McDaniel
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Abstract
Unbridged fluorenyl containing metallocenes are disclosed along with methods for making the metallocenes. Also disclosed are methods for using the metallocenes as polymerization catalysts. In addition, polymers resulting from such polymerizations are disclosed.
Claims48
An unbridged metallocene of the formula (FIR.sub.n)(CpR.sub.m)MeQ.sub.k wherein Fl is a fluorenyl radical, Cp is a cyclopentadienyl or indenyl radical, each R is the same or different and is an organo radical having 1 to 20 carbon atoms, Me is a metal selected from the group consisting of IVB metals of the Periodic Table, each Q is the same or different and is selected from the group consisting of hydrocarbyl or hydrocarbyloxy radicals having 1 to 20 carbon atoms and halogens, k is a number sufficient to fill out the remaining valences of Me, n is a number in the range of 0 to 7, m is a number in the range of 0 to 7, further characterized by the fact that the Fl has no R in the 9 position.
An unbridged metallocene of the formula (FlR.sub.n)(CpR.sub.m).sub.2 MeQ wherein Fl is a fluorenyl radical, Cp is a cyclopentadienyl, indenyl, or tetrahydroindenyl radical, each R is the same or different and is an organo radical having 1 to 20 carbon atoms, Me is metal selected from the group consisting of IVB, VB, and VIB metals of the Periodic Table, each Q is the same or different and is selected from the group consisting of hydrocarbyl or hydrocarbyloxy radicals having 1 to 20 carbon atoms, and halogens, n is a number in the range of 0 to 8, m is a number in the range of 0 to 7, further characterized by the fact that the Fl has no R in the 9 position.
Dependencies are inferred from the claim text.