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.
Super Absorbent Polymer Aqueous Paste and Coating
Published April 6, 2010
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