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US 2012/0232235 A1Published application
Catalyst compositions containing transition metal complexes with thiolate ligands
AssigneeChevron Phillips Chemical Company LP
InventorMark L. Hlavinka
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Abstract
The present invention discloses catalyst compositions employing transition metal complexes with a thiolate ligand. Methods for making these transition metal complexes and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
Claims22
A compound having the formula:
- wherein:
- M1 is a transition metal;
- each R1A and R1B independently is a C1 to C18 hydrocarbyl or hydrocarbylsilyl group, wherein p and q independently are 1, 2, 3, or 4;
- D is O, NR1C, PR1D, or a substituted or unsubstituted, saturated or unsaturated, C4 to C18 heterocyclic group, wherein R1C and R1D independently are hydrogen or a C1 to C18 hydrocarbyl group;
- each X0 independently is a neutral ligand, wherein a is 0, 1, or 2;
- each X1 independently is a monoanionic ligand, wherein b is 0, 1, 2, 3, or 4;
- X2 is a dianionic ligand, wherein c is 0 or 1;
- and
- an oxidation state of M1 is equal to (b+2c+2).
6 more elements
A compound having the formula:
- wherein:
- M2 is a Group 3 to Group 8 transition metal, including lathanides and actinides;
- Ar2A and Ar2B independently are an arylene group, wherein any additional substituents on the arylene group independently are a hydrogen atom or a C1 to C18 hydrocarbyl or hydrocarbylsilyl;
- D is O, S, NR1C, PR1D, or a substituted or unsubstituted, saturated or unsaturated, C4 to C18 heterocyclic group, wherein R1C and R1D independently are hydrogen or a C1 to C18 hydrocarbyl group;
- each X0 independently is a neutral ligand, wherein a is 0, 1, or 2;
- each X1 independently is a monoanionic ligand, wherein b is 0, 1, 2, 3, or 4;
- X2 is a dianionic ligand, wherein c is 0 or 1;
- and
- an oxidation state of M2 is equal to (b+2c+2).
6 more elements
Dependencies are inferred from the claim text.