METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES BY SUSPENSION POLYMERIZATION

A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is...

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Bibliographische Detailangaben
Hauptverfasser:	MARK, Tina, DANIEL., Thomas, LUTZ, Erich, MOLTER, Stefan, KOWALSKI, Anna
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR GENERAL PROCESSES OF COMPOUNDING 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 WORKING-UP
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Beschreibung
Zusammenfassung:	A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 140 to 220° C.