METHOD FOR PRODUCING ISOBUTENE HOMO- OR COPOLYMERS

METHOD FOR PRODUCING ISOBUTENE HOMO- OR COPOLYMERS

Production of isobutene homo- or copolymers having a number average molecular weight of 500 to 5,000,000 by polymerisation of isobutene or an isobutene-containing monomer mixture in the presence of a Lewis acid or a complex containing a Lewis acid as a polymerisation catalyst, the polymerisation bei...

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Hauptverfasser: WETTLING THOMAS, BERG ANNE, HIRSCH STEFAN, URBAN RAINER, MACH HELMUT, RACHWALSKY UWE, KOENIG HANNAH MARIA, MUEHLBACH KLAUS
Format: Patent
Sprache:eng ; kor
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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 WETTLING THOMAS
BERG ANNE
HIRSCH STEFAN
URBAN RAINER
MACH HELMUT
RACHWALSKY UWE
KOENIG HANNAH MARIA
MUEHLBACH KLAUS
description Production of isobutene homo- or copolymers having a number average molecular weight of 500 to 5,000,000 by polymerisation of isobutene or an isobutene-containing monomer mixture in the presence of a Lewis acid or a complex containing a Lewis acid as a polymerisation catalyst, the polymerisation being performed in the presence of at least one hemiacetal or acetal, which can be obtained by protonic acid-catalysed reaction of at least one C1 to C12 hydrocarbyl alcohol with at least one aldehyde or ketone having 1 to 12 carbon atoms.
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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 METHOD FOR PRODUCING ISOBUTENE HOMO- OR COPOLYMERS
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