Magnesium halide/alcohol adduct, its preparation and use
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United States of America Patent
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Apr 22, 2008
Grant Date -
Sep 22, 2005
app pub date -
Aug 6, 2004
filing date -
Aug 8, 2003
priority date (Note) -
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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.
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