Phenol-heterocyclic ligands, metal complexes, and their uses as catalysts
US7705157B2 · kind B2 · utility
7Cited by
43References
10Claims
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Key dates
| Filing date | Dec 16, 2005 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Sep 2, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ligands, compositions, and metal-ligand complexes that incorporate phenol-heterocyclic compounds are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts have high performance characteristics, including high comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts particularly polymerize styrene to form polystyrene.
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