processo para a polimerizaÇço de olefinas, componente de catalisador de polimerizaÇço e poliolefina

processo para a polimerizaÇço de olefinas, componente de catalisador de polimerizaÇço e poliolefina

Mixtures of different polyolefins may be made by direct, preferably simultaneous, polymerization of one or more polymerizable olefins using two or more transition metal containing active polymerization catalyst systems, at least one of which contains cobalt or iron complexed with selected ligands. T...

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Bibliographische Detailangaben
Hauptverfasser: ALISON MARGARET ANNE BENNETT, JOEL DAVID CITRON, EDWARD BRYAN COUGHLIN, LIN WANG
Format: Patent
Sprache:por
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:Mixtures of different polyolefins may be made by direct, preferably simultaneous, polymerization of one or more polymerizable olefins using two or more transition metal containing active polymerization catalyst systems, at least one of which contains cobalt or iron complexed with selected ligands. The polyolefin products may have polymers that vary in molecular weight, molecular weight distribution, crystallinity, or other factors, and are useful as molding resins and for films.