REMOVAL OF LOW BOILERS AND REDUCTION OF THE AMMONIA CONTENT IN ISOPHORONEDIAMINE BY PARTIAL CONDENSATION

REMOVAL OF LOW BOILERS AND REDUCTION OF THE AMMONIA CONTENT IN ISOPHORONEDIAMINE BY PARTIAL CONDENSATION

The present invention is directed to a process for fine purification of isophoronediamine from the production of isophoronediamine wherein the crude isophoronediamine I is subjected to a fine purification by means of two vacuum distillation columns, wherein I. 本发明涉及借助具有分凝器和再循环的两级塔结构来精细纯化异佛尔酮二胺（IPDA）...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ANJA MUELLER, ANNE RITTSTEIGER, ALEXANDER MARTIN RUEFER, CORD KNOOP, AXEL HENGSTERMANN, JAN CASSENS
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention is directed to a process for fine purification of isophoronediamine from the production of isophoronediamine wherein the crude isophoronediamine I is subjected to a fine purification by means of two vacuum distillation columns, wherein I. 本发明涉及借助具有分凝器和再循环的两级塔结构来精细纯化异佛尔酮二胺（IPDA）。