Ethylene polymerization with Cp2ZrCl2 supported on dealuminated Y zeolite

SummaryY zeolites with different aluminium contents obtained by dealumination with ammonium hexafluorosilicate were evaluated as supports for bis(cyclopentadienyl)-zirconium dichloride catalysts. The activities of the supported and homogeneous systems were compared for ethylene polymerization. The m...

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Veröffentlicht in:	Polymer bulletin (Berlin, Germany) Germany), 1997-11, Vol.39 (5), p.567-571
Hauptverfasser:	MARQUES, M. DE F. V, HENRIQUES, C. A, MONTEIRO, J. L. F, MENEZES, S. M. C, COUTINHO, F. M. B
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Catalysis Catalysts Catalysts: preparations and properties Chemistry Dichlorides Ethylene Exact sciences and technology General and physical chemistry Organic polymers Physicochemistry of polymers Polymerization Preparation, kinetics, thermodynamics, mechanism and catalysts Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Yttrium Zeolites Zirconium
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Zusammenfassung:	SummaryY zeolites with different aluminium contents obtained by dealumination with ammonium hexafluorosilicate were evaluated as supports for bis(cyclopentadienyl)-zirconium dichloride catalysts. The activities of the supported and homogeneous systems were compared for ethylene polymerization. The most active heterogeneous catalyst was the one supported on the zeolite with the higher Si/Al ratio and external area.
ISSN:	0170-0839 1436-2449
DOI:	10.1007/s002890050187