Surface cure of water-absorbing polymers for use in hygiene articles, packaging materials and nonwovens

Surface cure of water-absorbing polymers comprises treating the polymers with a surface curing solution and curing and drying by heating during or after treatment. The crosslinking agent is an ester (I) of boric acid with a di- or polyhydric alcohol, dissolved in an inert solvent. An Independent cla...

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Bibliographische Detailangaben
Hauptverfasser:	STUEVEN, UWE., 65812 BAD SODEN, DE, DANIEL, THOMAS., CHESAPEAKE, VA., US, FRENZ, VOLKER., 55246 MAINZ-KOSTHEIM, DE, FUNK, RUEDIGER., 65527 NIEDERNHAUSEN, DE, ENGELHARDT, FRITZ., CHESAPEAKE, VA., US
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	Surface cure of water-absorbing polymers comprises treating the polymers with a surface curing solution and curing and drying by heating during or after treatment. The crosslinking agent is an ester (I) of boric acid with a di- or polyhydric alcohol, dissolved in an inert solvent. An Independent claim is also included for water-absorbing polymers produced in this way.