High concentration polymer slurries

Details High concentration polymer slurries High concentration polymer slurries

1980-04-21

1982-01-26

Lieberman, Allan

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106174, 106175, 106177, 106178, 106186, 106187, 106188, 106189, 106190, 106191, 106205, 106206, 106207, 106208, 106209, 106170, 106316, C08J 302, C08L 128, C08L 500

Patent

active

043126758

ABSTRACT:
High concentration polymer slurries contain up to 65 weight % xanthan gum in a hydrophobic 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 hydrophilic colloid, such as guar, hydroxypropyl guar, cellulosics, polyacrylamides, and the like.

REFERENCES:
patent: 3894879 (1975-07-01), Colegrove
patent: 3894880 (1975-07-01), Colegrove
patent: 3918981 (1975-11-01), Long
patent: 3930871 (1976-01-01), Starace
patent: 4105461 (1978-08-01), Racciato

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