ABSORPTION AGENTS WITH A HIGH SWELLING CAPACITY, WITH A REDUCED TENDENCY TO CAKE

A highly-swellable absorption material with reduced caking tendency under moist and high temperature conditions obtained by heating a combination of a suitable acid group-containing natural or synthetic polymer and a N-containing nonionic surfactant coating agent. A highly-swellable absorption mater...

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Bibliographische Detailangaben
Hauptverfasser:	DE MARCO, MICHAEL, MERTENS, RICHARD, FRANK, MARKUS, JONAS, GERD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION 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 ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROSTHESES THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A highly-swellable absorption material with reduced caking tendency under moist and high temperature conditions obtained by heating a combination of a suitable acid group-containing natural or synthetic polymer and a N-containing nonionic surfactant coating agent. A highly-swellable absorption material with reduced caking tendency under moist and high temperature conditions obtained by heating a combination of: (i) an acid group-modified water- or aqueous solution-absorbing natural polymer or a water-insoluble optionally surface-crosslinked water- or aqueous solution-absorbing crosslinked polymer based on polymerizable, at least partly neutralized acid group-containing monomers; and (ii) a N-containing nonionic surfactant coating agent.