High concentration polymer slurries

Details High concentration polymer slurries High concentration polymer slurries

C - Chemistry, Metallurgy

08

L

400/1305, 6/99

C08L 5/00 (2006.01) C09K 8/02 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1136355

K-2008 TITLE OF THE INVENTION High Concentration Polymer Slurries. ABSTRACT OF THE INVENTION: High concentration polymer slurries contain up to 60 weight % to 75 weight % xanthan gum in a solvent base treated with suspending agents, dispersants, and thinning agents. Mineral oil, diesel oil, kerosene, alcohols (six to twelve carbons), vegetable oil, ester-alcohols, polyol ethers, and the like may be used as the solvent. The preferred suspending agent is either an organophilic clay or hydroxypropyl cellulose. The preferred dispersant is either an ethoxylated linear alcohol or a fatty acid ester of vegetable oil or animal oil. The preferred thinning agent is lecithin. These slurries greatly improve the dispersibility of xanthan gum or any other hydro- philic colloid, such as guar, hydroxypropyl guar, cellulosics, polyacrylamides, and the like.

347538

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