Supported olefin polymerization catalyst produced from a magnesium alkyl/organophosphoryl complex
US4657882A · kind A · utility
80Cited by
7References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1985 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Dec 26, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A solid hydrocarbon-insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics, comprises the product formed by (a) complexing a magnesium alkyl composition with an organophosphoryl compound; (b) reacting the resulting stable complex with a compatible precipitation agent to form a solid component; and (c) reacting the resulting solid with a titanium (IV) compound and an electron donor compound in a suitable diluent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.