METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE

METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE

A process for the manufacture of isophorone diamine (I PDA), comprising the steps of: a) providing a feed stream comprising trans-IPDA, cis-IPDA, isophorone nitrile amine (IPNA), components having a lower boiling point than trans-IPDA and components having a higher boiling point than IPNA, including...

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Hauptverfasser: KRAUSE, Alfred, SCHLODERER, Martin, STAVROU, Marina-Eleni
Format: Patent
Sprache:eng ; fre ; ger
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator KRAUSE, Alfred
SCHLODERER, Martin
STAVROU, Marina-Eleni
description A process for the manufacture of isophorone diamine (I PDA), comprising the steps of: a) providing a feed stream comprising trans-IPDA, cis-IPDA, isophorone nitrile amine (IPNA), components having a lower boiling point than trans-IPDA and components having a higher boiling point than IPNA, including isophorone amino alcohol (I PA A) and components having a higher boiling point than IPAA; b) separating the feed stream into (i) a fraction (ii) comprising a higher mass fraction of cis-IPDA content, compared to the feed stream; (ii) a fraction (iii) comprising a higher mass fraction of IPNA compared to the feed stream and a higher mass fraction of components having a boiling point higher than the boiling point of IPNA, including IPAA and components having a higher boiling point than IPAA, compared to the feed stream and optionally IPDA; c) further separating fraction (iii) into (iii) a fraction (iii-1) comprising a higher mass fraction of IPDA, compared to fraction (iii); and/or (iv) a fraction (iii-3) comprising a higher mass fraction of IPAA, compared to fraction (iii).
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE
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