| 摘要 |
High viscosity aqueous mediums are produced by the simultaneous addition to an aqueous solution of a major effective amount of a particulate, high molecular weight, hydratable polymer, such as hydrolyzed polyacrylamide and a minor effective amount of a particulate inorganic compound, such as bentonite, to thereby form a complex between the polymer and the inorganic compound to give the final aqueous composition an increased viscosity. The polymer and inorganic compound are preferably added to the water by dispersing a physical admixture of the polymer and inorganic compound as discrete particles onto a moving plane of water to assure intimate contact of the polymer and compound as they contact the water.
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