PROCESS FOR RAPIDLY DISSOLVING GELS OF WATER-SOLUBLE POLYMERS

PROCESS FOR RAPIDLY DISSOLVING GELS OF WATER-SOLUBLE POLYMERS BY EXTRUSION, CUTTING AND THEN SLURRYING UNDER HIGH SHEARING FORCES A process for rapidly forming dilute aqueous solutions of water-soluble polymer from gels of such polymers is provided. In the process polymer gel is extruded, cut, and s...

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1. Verfasser:	PEARSON, STEPHEN C
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Zusammenfassung:	PROCESS FOR RAPIDLY DISSOLVING GELS OF WATER-SOLUBLE POLYMERS BY EXTRUSION, CUTTING AND THEN SLURRYING UNDER HIGH SHEARING FORCES A process for rapidly forming dilute aqueous solutions of water-soluble polymer from gels of such polymers is provided. In the process polymer gel is extruded, cut, and slurried in water. The slurry of gel particles is subjected to high shear forces immediately after slurry formation to form a slurry of very fine gel particles. The slurry of fine gel particles is mixed with additional water under low shear conditions to form the dilute aqueous solution of polymer. The process reduces degradation of certain important polymer properties.