FORMING GEL PRODUCT BY IRRADIATING POLYVINYL ALCOHOL/WATER-SOLUBLE OXYALKYLENE POLYMER SOLUTION

摘要

An absorbent material is produced by exposing an aqueous solution of polyvinyl alcohol and a low molecular weight, water soluble copolymer containing polymerized oxyethylene and oxypropylene units, to sufficient electromagetic or corpuscular ionizing radiation to form a gel.