Method for manufacturing aromatic diisocyanates in the gaseous phase

Method for manufacturing aromatic diisocyanates in the gaseous phase

Preparation of primary aromatic diisocyanate comprises reacting the corresponding primary aromatic diamine with phosgene in gas phase within an average time period of 0.05-15 seconds, where the used primary aromatic diamine contains less than 0.05 mol% to no ketogroup containing aliphatic amines in...

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Bibliographische Detailangaben
Hauptverfasser: BISKUP, KLAUS, PADEKEN, LARS, POHL, FRITZ, BRUNS, RAINER, STEFFENS, FRIEDHELM
Format: Patent
Sprache:eng ; pol
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Preparation of primary aromatic diisocyanate comprises reacting the corresponding primary aromatic diamine with phosgene in gas phase within an average time period of 0.05-15 seconds, where the used primary aromatic diamine contains less than 0.05 mol% to no ketogroup containing aliphatic amines in the total per mol of primary amine group.