WATER ABSORBENT POLYMERS AND A PROCESS FOR THEIR PREPARATION

Water absorbent polymers and a process for their preparation are disclosed. The process for preparing water absorbent polymers comprises preparing a slurry with relatively high amounts of polymer particles (in the range of 40 to 55wt% of the total mass of the slurry) having water absorbed therein. T...

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Bibliographische Detailangaben
Hauptverfasser:	GANESHPURE, PRALHAD AMBADAS, VORA, JAYESH PRAFULLACHANDRA, GARIMELLA, PADMAVATHI, SUBRAMANYAM, ELANGO, JASRA, RAKSH VIR, PAREKH, ASHISHKUMAR INDRAVADAN, CHOUDHARY, MANJEET SINGH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	Water absorbent polymers and a process for their preparation are disclosed. The process for preparing water absorbent polymers comprises preparing a slurry with relatively high amounts of polymer particles (in the range of 40 to 55wt% of the total mass of the slurry) having water absorbed therein. The slurry is then directly spray dried to obtain water absorbent polymers. Cette invention concerne des polymères absorbant l'eau et leur procédé de préparation. Le procédé de préparation de polymères absorbant l'eau comprend la préparation d'une suspension épaisse contenant des quantités relativement élevées de particules polymères (dans la plage de 40 à 55 % en poids du poids total de la suspension épaisse) ayant absorbé de l'eau. La suspension épaisse est ensuite directement séchée par atomisation pour obtenir des polymères absorbant l'eau.