Magnesium halide/alcohol adduct, its preparation and use
US7361621B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 6, 2004 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Feb 1, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a process for preparing particles of magnesium halide/alcohol adduct, said process comprising: preparing a melt of magnesium halide/alcohol adduct in an inert liquid medium, dispersing the mixture of the inert liquid medium and the melt of the magnesium halide/alcohol adduct by high-speed rotation under a high-gravity field to obtain a dispersion of magnesium halide/alcohol adduct melt; and the cooling the dispersion of the melt to form the particles of magnesium halide/alcohol adduct. The present invention further relates to the particles of magnesium halide/alcohol adduct prepared by the process of the present invention and the use thereof in the preparation of catalysts for olefin polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.