Classification process for superabsorbent polymer particles

The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure whereinthe pressure above the uppermost sieve is from 0 to 4.0mbar per sieve higher than below the undermost...

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Bibliographische Detailangaben
Hauptverfasser:	POSSEMIERS KARL, HAMILTON PATRICK NEAL, FUNK RUEDIGER, PETERSON MONTE ALAN, DE KAEY RONNY, WEISMANTEL MATTHIAS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure whereinthe pressure above the uppermost sieve is from 0 to 4.0mbar per sieve higher than below the undermost sieve. 本发明涉及一种超吸收性聚合物颗粒的分级方法，其包括使用筛分机在减压下来分级吸水性聚合物颗粒，其中最上层筛上方的压力比最下层筛下方的压力高0至4.0毫巴/筛。