METHOD FOR THE CONTINUOUS PRODUCTION OF N-BUTYL ACRYLATE OR ISOBUTYL ACRYLATE

METHOD FOR THE CONTINUOUS PRODUCTION OF N-BUTYL ACRYLATE OR ISOBUTYL ACRYLATE

A process for continuously preparing a butyl acrylate H2C═CH-C(═O)OR, with R=n-butyl or isobutyl, wherein aqueous 3-hydroxypropionic acid is converted under dehydrating and esterifying conditions in the presence of the corresponding butanol R-OH in a reactor with a rectification column and butyl acr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RAITH, Christian, HECHLER, Claus, BLASCHKE, Tim, LANG, Ortmund, SCHAFRANKA, Michael
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:A process for continuously preparing a butyl acrylate H2C═CH-C(═O)OR, with R=n-butyl or isobutyl, wherein aqueous 3-hydroxypropionic acid is converted under dehydrating and esterifying conditions in the presence of the corresponding butanol R-OH in a reactor with a rectification column and butyl acrylate formed, unconverted butanol and water used and formed are distilled off overhead as a ternary azeotrope, after separation into a liquid aqueous phase and liquid organic phase each of the aqueous and organic phases is at least partly discharged, and the organic phase comprising the butyl acrylate and the butanol is subjected to distillative separation.