Process and means for reducing formaldehyde emission during the processing of thermoplastics with admixed polyacetal

Process and means for reducing formaldehyde emission during the processing of thermoplastics with admixed polyacetal

The present invention relates to a process for reducing formaldehyde emission from thermoplastics mixed with polyacetal, which comprises melting the thermoplastic mixture in the presence of at least one stabilizer in a mixing assembly and subjecting it to further processing steps. During this proces...

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Hauptverfasser: WULF STEFAN, KNAPP ROGER, SCHIEBISCH JENS
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Sprache:eng
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AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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creator WULF STEFAN
KNAPP ROGER
SCHIEBISCH JENS
description The present invention relates to a process for reducing formaldehyde emission from thermoplastics mixed with polyacetal, which comprises melting the thermoplastic mixture in the presence of at least one stabilizer in a mixing assembly and subjecting it to further processing steps. During this process, formaldehyde emission deriving from decomposition of the polyacetal is markedly reduced by adding suitable additives/stabilizers.
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subjects AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
title Process and means for reducing formaldehyde emission during the processing of thermoplastics with admixed polyacetal
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