CATALYST CARRIER, METALLOCENE SUPPORTED CATALYSTS AND THEIR USE WHEN PREPARING POLYOLEFINS

CATALYST CARRIER, METALLOCENE SUPPORTED CATALYSTS AND THEIR USE WHEN PREPARING POLYOLEFINS

The prodn. of a catalyst support (I) comprises: (a) drying hydrophilic, macroporous, disperse Al2O3, SiO2, titanium oxide or zirconium oxide, or mixts. or mixed oxides thereof (II), at 110-800 degrees C; (b) reacting with an aluminoxane (III); and then (c) reacting with polyfunctional organic crossl...

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Hauptverfasser: REUBNER JENS DR, ERNST EBERHARD DR, NEIBL WOLFGANG
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Sprache:eng
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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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creator REUBNER JENS DR
ERNST EBERHARD DR
NEIBL WOLFGANG
description The prodn. of a catalyst support (I) comprises: (a) drying hydrophilic, macroporous, disperse Al2O3, SiO2, titanium oxide or zirconium oxide, or mixts. or mixed oxides thereof (II), at 110-800 degrees C; (b) reacting with an aluminoxane (III); and then (c) reacting with polyfunctional organic crosslinkers (IV). Also claimed is a catalyst support (I) based on (II) and (III), crosslinked with (IV). Also claimed are supported metallocene catalysts contg. the reaction prods. of (I) with the reaction prods. of metallocene and activators, pref. aluminoxane. Also claimed is a process for the prodn. of polyolefins by (co)polymerisation of olefins using the above supported metallocene catalysts, pref. in the presence of aluminium alkyl.
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subjects 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
title CATALYST CARRIER, METALLOCENE SUPPORTED CATALYSTS AND THEIR USE WHEN PREPARING POLYOLEFINS
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