C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/117, 252/123
C08F 4/64 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1304070
87-195 CATALYST COMPONENT FOR ALPHA OLEFINE- POLYMERIZING CATALYSTS AND PROCEDURE ABSTRACT OF THE DISCLOSURE A catalyst component for alpha olefine-polymerizing catalysts which comprise an organo-aluminum compound, an external electron donor, and a solid catalyst component obtained when a solid carrier component containing magnesium has reacted with a titanium halide compound, in addition to a procedure for manufacturing the same. The catalyst component is produced by reacting a solid carrier component with a titanium halide compound with or without the presence of an internal electron donor. The solid carrier component is prepared by (a) dissolving a natural or synthetic mineral containing magnesium and aluminum in hydrochloric acid, (b) evaporating the solution until dry, (c) calcinating the obtained salt mixture from the evaporated solution by heating the same at a temperature of about 130-150°C to convert the aluminum component into hydroxy form, (d) dissolving the magnesium component in ethanol, (e) drying the ethanol solution of the magnesium component with the aid of periodic azeotropic distillation, and (f) precipitating the solid carrier component from the ethanol solution.
533586
Garoff Thomas
Lofgren Barbro
Luciani Luciano
Garoff Thomas
Lofgren Barbro
Luciani Luciano
Marks & Clerk
Neste Oy
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