ROBUST SPRAY-DRIED ZIEGLER-NATTA PROCATALYST AND POLYMERIZATION PROCESS EMPLOYING SAME

A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 µm and characterized by a D95/D5 particle size ratio of less than or equal to 10. Composition de procata...

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Bibliographische Detailangaben
Hauptverfasser:	WAGNER, BURKHARD, ERIC, SPRIGGS, THOMAS, E, TURNER, MICHAEL, D, LACKS, DANIEL, J, LEVANDOVSKY, ARTEM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 µm and characterized by a D95/D5 particle size ratio of less than or equal to 10. Composition de procatalyseur Ziegler-Natta se présentant sous forme de particules solides et comprenant du magnésium, des halogénures et des fractions de métaux de transition. Lesdites particules ont une granulométrie moyenne (D50) comprise entre 10 et 70 ?m et sont caractérisées par un rapport granulométrique D95/D5 inférieur ou égal à 10.