METHOD FOR THE PURIFICATION OF ISOCYANATES

The invention relates to a method for the purification of at least one isocyanate selected from the group consisting of aliphatic, cycloaliphatic and araliphatic isocyanates and mixtures thereof, to a method for preparing at least one isocyanate selected from the group consisting of aliphatic, cyclo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EGGERT, Christoph, FISCHER, Thomas, GERON, Ulrich, EHRIG, Martin, ESSER, Ulrich
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The invention relates to a method for the purification of at least one isocyanate selected from the group consisting of aliphatic, cycloaliphatic and araliphatic isocyanates and mixtures thereof, to a method for preparing at least one isocyanate selected from the group consisting of aliphatic, cycloaliphatic and araliphatic isocyanates and mixtures thereof, to the isocyanate obtainable by this method, to a polyurethane that is comprised of at least one such isocyanate, to the use of the isocyanate and to an optical component that contains at least one polyurethane according to the invention.