METHOD OF PRODUCING SYMMETRICAL DIFATTY ACID DIAMIDES

The present invention relates to a method of producing symmetrically structured difatty acid diamines by reacting mixtures of fatty acids or their esters with diamines, isolating the symmetrical difatty acid diamides from the reaction mixture by making use of their different solubilities and concent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHOMANN, HERMANN, GROSS-LANHERT, RENATE, ACH, ALEXANDER, SCHNEIDER, JUDITH, BEST, BERND, FRISCHE, RAINER, WOLLMANN, KLAUS, VOLKHEIMER, JURGEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to a method of producing symmetrically structured difatty acid diamines by reacting mixtures of fatty acids or their esters with diamines, isolating the symmetrical difatty acid diamides from the reaction mixture by making use of their different solubilities and concentrating them by recrystallisation if necessary.