VERFAHREN ZUR HERSTELLUNG VON BIURET- UND/ODER HARNSTOFFGRUPPEN AUFWEISENDEN ORGANISCHEN POLYISOCYANATEN

The present invention relates to a process for the preparation of compounds selected from the group consisting of a polyisocyanate containing urea groups and a polyisocyanate containing biuret groups comprising (a) introducing an organic polyisocyanate into a reaction vessel, and (b) injecting an or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JOACHIM,HENNIG,HANS, ZIEMEK,PETER,DR, SCHELLMANN,ERHARD,.DR
Format:	Patent
Sprache:	ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	The present invention relates to a process for the preparation of compounds selected from the group consisting of a polyisocyanate containing urea groups and a polyisocyanate containing biuret groups comprising (a) introducing an organic polyisocyanate into a reaction vessel, and (b) injecting an organic polyamine containing at least two primary amino groups into the organic polyisocyanate in the reaction vessel at a pressure of from about 2 to 1000 bar through a straight jet nozzle having an internal diameter of from about 0.