CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS AND CATALYST OBTAINED THEREFROM

The present invention provides a catalyst component comprising a vanadium compound supported on a porous polymer having a porosity (mercury) higher than 0.02 cc/g. With the above catalyst components it is possible to prepare elastomeric copolymers of ethylene with .alpha.-olefins CH2=CHR, optionally...

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Bibliographische Detailangaben
Hauptverfasser:	GALIMBERTI, MAURIZIO, BARUZZI, GIOVANNI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention provides a catalyst component comprising a vanadium compound supported on a porous polymer having a porosity (mercury) higher than 0.02 cc/g. With the above catalyst components it is possible to prepare elastomeric copolymers of ethylene with .alpha.-olefins CH2=CHR, optionally containing minor proportions of a diene, without fouling problems. La présente invention concerne un composant catalyseur renfermant un composé vanadium avec comme support un polymère poreux doté d'une porosité (mercure) supérieure à 0,02 cc/g. En faisant intervenir les composants catalyseurs susmentionnés, il est possible d'obtenir des copolymères élastomères d'éthylène avec des .alpha.-oléfines CH¿2?=CHR qui renferment éventuellement de faibles doses d'un diène, sans problèmes de salissure.