COPRODUCTION OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE

A PROCESS FOR COPRODUCTION OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE STARTING FROM ADIPONITRILE COMPRISES (1) PARTIALLY HYDROGENATING ADIPONITRILE IN THE PRESENCE OF A CATALYST TO OBTAIN A MIXTURE COMPRISING 6-AMINOCAPRONITRILE, HEXAMETHYLENEDIAMINE AND ADIPONITRILE, (2) REMOVING 6-AMINOCAPRON...

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Hauptverfasser:	ALWIN REHFINGER, PETER BABLER, ROLF FISCHER, HERMANN LUYKEN, GUIDO VOIT
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	A PROCESS FOR COPRODUCTION OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE STARTING FROM ADIPONITRILE COMPRISES (1) PARTIALLY HYDROGENATING ADIPONITRILE IN THE PRESENCE OF A CATALYST TO OBTAIN A MIXTURE COMPRISING 6-AMINOCAPRONITRILE, HEXAMETHYLENEDIAMINE AND ADIPONITRILE, (2) REMOVING 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE FROM THE MIXTURE, (3) ADDING TO THE PORTION COMPRISING ESSENTIALLY ADIPONITRILE FROM 0.01 TO 10BY WEIGHT OF AN ACID, BASED ON ADIPONITRILE, OR AN ACIDIC ION EXCHANGER AND REMOVING THE ADIPONITRILE FROM THE MIXTURE, AND (4) RECYCLING THE ADIPONITRILE INTO STEP(1).