Patents

Super Absorbent Polymer Aqueous Paste and Coating

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By: KERRY PIANOFORTE

Editor, Coatings World

Patent No. U.S. 7,488,541 B2
Evonik Stockhausen, Inc. has obtained a patent for a coated substrate comprised of a substrate material, an aqueous superabsorbent polymer paste comprised of a blend of from approximately 1-5% weight of superabsorbent polymer particles having a particle size distribution in the range of greater 150 microns to smaller than 850 microns, and from 95-99% weight of an aqueous water-soluble polymer solution comprised of from 0.5-5% solid level characterized in that the viscosity of the aqueous superabsorbent polymer paste will be from 1000 mPa·s and to approximately 35,000 mPa·s.

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