HIGH MOLECULAR WEIGHT NON-IONIC SURFACTANTS COMPRISING NITROGEN OR PHOSPHORUS CONTAINING GROUPS

The present invention relates to high molecular weight non-ionic surfactants comprising terminal nitrogen or phosphorus containing end groups or salts thereof, a process for the preparation of such surfactants and the use of such surfactants in thermo-reversible binding of multivalent anions from aq...

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Bibliographische Detailangaben
Hauptverfasser:	KELEMEN, PETER, COHEN STUART, MARTINUS, ABRAHAM, LEERMAKERS, FRANCISCUS, ADRIANUS, MARIA, TIMMER, JOHANNES, MARTINUS, KOEN, VAN DEN BROEKE, LEO, JACQUES, PIERRE, KEURENTJES, JOHANNES, THEODORUS, FAUSTINUS, CUSTERS, JOHANNES, PETRUS, ALDEGONDA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DISPOSAL OF SOLID WASTE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The present invention relates to high molecular weight non-ionic surfactants comprising terminal nitrogen or phosphorus containing end groups or salts thereof, a process for the preparation of such surfactants and the use of such surfactants in thermo-reversible binding of multivalent anions from aqueous systems contaminated with such anions. L'invention concerne des surfactants non ioniques de poids moléculaire élevé comprenant des groupes d'extrémité terminaux contenant de l'azote ou du phosphore, ou des sels de ceux-ci. L'invention concerne également un procédé pour préparer de tels surfactants et l'utilisation de ces surfactants dans une liaison thermoréversible d'anions mulitvalents provenant de systèmes aqueux contaminés par de tels anions.