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)...

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Main Authors ANJA MUELLER, ANNE RITTSTEIGER, ALEXANDER MARTIN RUEFER, CORD KNOOP, AXEL HENGSTERMANN, JAN CASSENS
Format Patent
LanguageChinese
English
Published 06.02.2018
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Summary: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)。
Bibliography:Application Number: CN201710618065