PROCESS FOR THE POLYMERIZATION OF OLEFINS

A process for the preparation of polyolefins is carried out in the presence of (i) a Ziegler- Natta catalyst, (ii) an aluminum alkyl cocatalyst, optionally (iii) an external donor, and at least 50 ppm, based on the amount of polyolefin produced, of a compound selected from mono or diglycerol ester d...

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Bibliographische Detailangaben
Hauptverfasser:	CAPUTO, Tiziana, NARDIN, Alberto, PIEMONTESI, Fabrizio, DESTRO, Mara, BRITA, Diego, SESSA, Stefano, BASILE, Lelio, TESTONI, Fabio
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 process for the preparation of polyolefins is carried out in the presence of (i) a Ziegler- Natta catalyst, (ii) an aluminum alkyl cocatalyst, optionally (iii) an external donor, and at least 50 ppm, based on the amount of polyolefin produced, of a compound selected from mono or diglycerol ester derivatives of monocarboxylic acids. Un procédé de préparation de polyoléfines est mis en oeuvre en présence (i) d'un catalyseur Ziegler-Natta, (ii) d'un cocatalyseur d'alkyle d'aluminium, éventuellement (iii) d'un donneur externe, et d'au moins 50 ppm, sur la base de la quantité de polyoléfine produite, d'un composé choisi parmi des dérivés d'ester de mono- ou di-glycérol d'acides monocarboxyliques.