Patent ID: 6271277
Filing Date: 2001-08-07
Classification: C08G,C08J,C08L

Abstract:
An absorbent article comprising a catalyst-free, hydrophilic polyurethane flexible foam comprising at least one super absorbent polymer, wherein said foam is free of releasable mono-, di- or polyhydric alcohol before the foam has been in contact with water or an aqueous solution, and wherein said foam has been made by a process comprising reacting a prepolymer and water in the presence of said superabsorbent polymer;wherein said prepolymer comprises diphenyl methane diisocyanate residues; andwherein said superabsorbent polymer is selected from the groul) consisting of:(i) superabsorbent polymers based on acrylic or methacrylic acids, esters, nitriles, amides and/or salts thereof;(ii) superabsorbent polysaccharides;(iii) superabsorbent maleic anhydride polymers; and(iv) combinations thereof.