METHOD FOR PRODUCING HOMOPOLYMERS AND COPOLYMERS OF POLYOXYMETHYLENE AND CORRESPONDING DEVICE

METHOD FOR PRODUCING HOMOPOLYMERS AND COPOLYMERS OF POLYOXYMETHYLENE AND CORRESPONDING DEVICE

The invention relates to a device for producing homopolymers and copolymers of polyoxymethylene. Said device comprises the following elements: A) a reactor (1) having a polymerization zone (2) and a directly adjacent deactivation zone (2) for the polymerization and deactivation of homopolymers and c...

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Hauptverfasser: KRAMER, MATTHIAS, ROESCHERT, HORST, HOFFMOCKEL, MICHAEL, MUECK, KARL-FRIEDRICH
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator KRAMER, MATTHIAS
ROESCHERT, HORST
HOFFMOCKEL, MICHAEL
MUECK, KARL-FRIEDRICH
description The invention relates to a device for producing homopolymers and copolymers of polyoxymethylene. Said device comprises the following elements: A) a reactor (1) having a polymerization zone (2) and a directly adjacent deactivation zone (2) for the polymerization and deactivation of homopolymers and copolymers of polyoxymethylene in a homogeneous phase in a manner known per se, B) a relief unit (4) which optionally comprises a metering device (5) for additives to be added to the polymer, C) a granulator (6), D) an extraction device (7), and E) optionally a drying device (8). The inventive device and the polymerization method carried out therewith allow to achieve especially low residual monomer contents in a simple and power-saving manner.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title METHOD FOR PRODUCING HOMOPOLYMERS AND COPOLYMERS OF POLYOXYMETHYLENE AND CORRESPONDING DEVICE
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