Urethane polymer foam composites with controlled release of agents and additives having abrasive qualities
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United States of America Patent
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Issued Date -
Nov 6, 2003
app pub date -
Apr 3, 2003
filing date -
Apr 2, 2002
priority date (Note) -
Abandoned
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Abstract
Urethane polymer foam products with controlled release of agents are formed from the reaction products of an aqueous formulation of a limited quantity of superabsorbent polymer, an agent or agents from the group of detergents, abrasives, waxes, polishes, drugs, cosmetics, biologicals, volatiles, odor absorbing compositions, water soluble chemicals and optionally additives, and water in a predetermined ratio with hydrophilic urethane prepolymer to provide a polymerizing mixture. The agents, and additives if any, are incorporated directly into the matrix of the formed foam to increase the number of times that the formed foam products can be used. The products include hose with an abrasive material uniformly dispersed therein and/or formed on at least one exterior face of the products, and the methods include the formulating and making of the formed foam products with uniformly dispersed abrasive materials and/or with abrasive materials on at least one exterior face.
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