PREPOLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

A prepolymerized catalyst component for the polymerization of olefins made from or containing (i) a solid catalyst component made from or containing Ti, Mg, and an internal donor mixture (IDM) made from or containing (a) from 15 to 75% of 1,3-diethers and (b) from 25 to 85% of succinates based on th...

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Hauptverfasser:	PANNO, Giorgia, DE CICCO, Simone, FUSCO, Ofelia, PAZI, Nicola, VINCENZI, Paolo, GADDI, Benedetta, COLLINA, Gianni, ALGOZZINI, Giuseppina Maria, DI DIEGO, Maria
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A prepolymerized catalyst component for the polymerization of olefins made from or containing (i) a solid catalyst component made from or containing Ti, Mg, and an internal donor mixture (IDM) made from or containing (a) from 15 to 75% of 1,3-diethers and (b) from 25 to 85% of succinates based on the total amount of 1,3-diethers and succinates, and (ii) an amount of an ethylene polymer ranging from 0.1 up to 3 g per g of the solid catalyst component (i), wherein the prepolymerized catalyst component has an intrinsic viscosity [η] in tetraline at 135° C. ranging from 2.5 to 5.20 dl/g.