catalisadores do tipo ziegler-natta para a (co) polimerização de alfa-olefinas com uma produtividade elevada

Solid catalyst with a high thermal stability for the (co)polymerization of α-olefins, comprising titanium, magnesium, at least one metal selected from hafnium and zirconium, aluminum and chlorine, wherein at least 60% of the titanium is in oxidation state +3, and, when examined by means of XPS spect...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FRANCESCO MASI, LAURA MEDA, MARIO POLESELLO, FRANCESCO MENCONI, ANNA SOMMAZZI, ANTONIO ALFONSO PROTO, GIUSEPPE CONTI, ROBERTO FUSCO
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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