Polymerization of alk-1-ene in a stirred powder bed, e.g. for production of polypropylene, involves polymerization in presence of a fluid-bed classifier formed by passing gas upwards through an open tube in the powder

A method for the gas-phase polymerisation of 2-8C alk-1-enes at 40-150 deg C and 1-100 bar in a stirred powder bed using a suitable catalyst system involves polymerization in presence of a fluidized-bed classifier consisting of an open tube in the powder bed through which gas is passed upwards at su...

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Bibliographische Detailangaben

Hauptverfasser:	GEIER, REINER, LETZELTER, THOMAS, SCHMIDT, CHRISTIAN-ULRICH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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