Process for rapidly dissolving gels of water-soluble polymers by

Details Process for rapidly dissolving gels of water-soluble polymers by Process for rapidly dissolving gels of water-soluble polymers by

1977-12-14

1978-09-12

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297EM, C08L 3302

Patent

active

041136888

ABSTRACT:
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.

REFERENCES:
patent: 3251389 (1966-05-01), Unschel et al.
patent: 3282874 (1966-11-01), Fredrich et al.
patent: 3862078 (1975-01-01), Burke
patent: 3979349 (1976-09-01), Fink et al.
patent: 4055517 (1977-10-01), Daimer
Knight, Journal of Petroleum Technology, 25 (5) pp. 618-626, 1973.

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