VERFAHREN ZUR HERSTELLUNG VON HOMO- UND COPOLYMEREN DES ISOBUTENS

VERFAHREN ZUR HERSTELLUNG VON HOMO- UND COPOLYMEREN DES ISOBUTENS

Homo- and copolymers of isobutene are prepared by continuous cationic polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers in the presence of an initiator system comprising:i) a Lewis acid selected from covalent metal-halogen compounds and covalent semimetal...

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Hauptverfasser: LANG, GABRIELE, KREMESKOETTER, JENS, STOECKELMANN, ELMAR, HUEFFER, STEPHAN, RATH, HANS
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Sprache:ger
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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 LANG, GABRIELE
KREMESKOETTER, JENS
STOECKELMANN, ELMAR
HUEFFER, STEPHAN
RATH, HANS
description Homo- and copolymers of isobutene are prepared by continuous cationic polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers in the presence of an initiator system comprising:i) a Lewis acid selected from covalent metal-halogen compounds and covalent semimetal-halogen compounds andii) at least one aprotic organic compound I having at least one functional group FG which forms a carbocation or a cationic complex with the Lewis acid under polymerization conditions in an organic solvent inert with respect to the Lewis acid, by a process in which the polymerization is carried out in a tubular flow-through reactor which has a plurality of curves having an alternating direction of curvature.
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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 VERFAHREN ZUR HERSTELLUNG VON HOMO- UND COPOLYMEREN DES ISOBUTENS
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