POLY(VINYLAMINE)-BASED SUPERABSORBENT GELS AND METHOD OF MANUFACTURING THE SAME

Poly(vinylamine)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(vinylamine) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(vinylamine) polymer. An improved method of preparing poly(vinylamine),...

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Bibliographische Detailangaben
Hauptverfasser:	LOBO, LETICIA, I, BEIHOFFER, THOMAS, W, DARLINGTON, JERALD, W., JR, ANDERSON, MARK, MITCHELL, MICHAEL, A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Poly(vinylamine)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(vinylamine) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(vinylamine) polymer. An improved method of preparing poly(vinylamine), and improved diaper cores, also are disclosed. La présente invention concerne des gels superabsorbants à base de poly(vinylamine). Ces gels superabsorbants sont constitués, soit d'un mélange entre un polymère de poly(vinylamine) et un polymère acide absorbant l'eau tel que l'acide polyacrilique, soit d'un sel d'un polymère de poly(vinylamine). L'invention concerne également un procédé perfectionné d'élaboration de poly(vinylamine), et un modèle perfectionné de coeur de couches de bébé.