Procedure for manufacturing catalyst components for polymerizing olefines
US4829034A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Feb 5, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/909
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns a procedure for manufacturing solid catalyst components for catalysts serving polymerization of alpha-olefines, having a solid carrier substance containing an organic or inorganic magnesium compound and treated with a titanium halide and optionally with an electron donor compound. The magnesium compound or the mixture of magnesium compound and electron donor compounds is sprayed in molten state into a chamber or volume which has been cooled to a temperature at which the catalyst component will solidify from the melt in the form of particles with generally spherical shape, without any substantial evaporation of solvents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.