PRODUCTION OF A SUPERABSORBENT FOAM OF HIGH SWELL RATE

This invention relates to a process for producing superabsorbent foams comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing...

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Bibliographische Detailangaben
Hauptverfasser:	BAUER, ERNST JUERGEN, ZIEMER, ANTJE, BRUHNS, STEFAN, KOWALSKI, ANNA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	This invention relates to a process for producing superabsorbent foams comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing the foamed mixture and drying the polymerized mixture, to the foams and also to their use for absorbing aqueous fluids. L'invention concerne un procédé de production de mousses superabsorbantes comprenant les étapes suivantes : le moussage d'un mélange aqueux comprenant au moins un monomère monoéthyléniquement insaturé portant des groupes acides, au moins un agent gonflant, au moins un agent de réticulation et au moins un tensioactif, la polymérisation du mélange moussé et le séchage du mélange polymérisé; les mousses; et également leur utilisation pour l'absorption de fluides aqueux.