Magnesium halide/alcohol adduct, its preparation and use

Details Magnesium halide/alcohol adduct, its preparation and use Magnesium halide/alcohol adduct, its preparation and use

2008-04-22

2008-04-22

Marcheschi, Michael (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

C502S115000, C502S118000, C502S172000

Reexamination Certificate

active

07361621

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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