Method for processing of liquid reaction discharge of cationic polymerisation of isobutene

A method for working up liquid reaction products from the cationic polymerisation of isobutene (mainly polyisobutene (PIB), unreacted isobutene and inert diluent) involves heating and flash evaporation to give a PIB-containing liquid phase and a gas phase containing most of the unreacted isobutene a...

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Bibliographische Detailangaben
1. Verfasser:	T. WETTLING,D. BORCHERS,H. AUER
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for working up liquid reaction products from the cationic polymerisation of isobutene (mainly polyisobutene (PIB), unreacted isobutene and inert diluent) involves heating and flash evaporation to give a PIB-containing liquid phase and a gas phase containing most of the unreacted isobutene and at least 30% of the inert diluent.