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US 2003/0166806 A1Published application
Late transition metal polymerization catalysts
AssigneeEquistar Chemicals, LP
InventorsSandor Nagy, Karen L. Neal-Hawkins
Life of this patent
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Abstract
A single-site olefin polymerization catalyst is described. The catalyst comprises an activator and an inorganic compound comprising iron and a tridentate N-(2-ethylamino)-2-pyridylmethanimino or N,N-bis(2-pyridylmethyl)amino ligand. The late transition metal catalyst is active in olefin polymerization.
Claims16
A catalyst which comprises:
- (a) an activator;
- and
- (b) an inorganic compound comprising iron and a tridentate ligand selected from the group consisting of substituted or unsubstituted N-(2-ethylamino)-2-pyridylmethanimino ligands and substituted or unsubstituted N,N-bis(2pyridylmethyl)amino ligands.
A catalyst which comprises:
- (a) an activator;
- and
- (b) an inorganic compound comprising iron and a tridentate ligand selected from the group consisting of:
- 7
- R1 and R9 are the same or different and are selected from the group consisting of H, F, Cl, Br, I, C1-C20 hydrocarbyl, and a condensed ring;
- R2, R3, R4, R5, R6, R7, and R8 are the same or different and are selected from the group consisting of H and C1-C20 hydrocarbyl;
- and
- x=0-5.
5 more elements
A catalyst which comprises:
- (a) an activator;
- and
- (b) an inorganic compound of the formula:
- 8
- where
- R10 and R11 are the same or different and are selected from the group consisting of H and C1-C20 hydrocarbyl;
- and
- X is a halide.
5 more elements
Dependencies are inferred from the claim text.