Patent ID: 6391451
Filing Date: 2002-05-21
Classification: A61L,C08F,C08J,Y10T

Abstract:
Superabsorbent polymer particles comprising 100 parts by weight of a water-absorbing resin and about 0.001 to about 10 parts by weight of at least one hydroxyalkylamide having the structure Lâ€”Aâ€”L, wherein A is CH2OCH2, L, independently, is selected from the group consisting of â€”C(&boxH;O)N(CH3)CH2CH2OH, â€”C(&boxH;O)NHCH2â€”CH2OH, and â€”C(&boxH;O)N(CH2CH2OH)2, and n is 0, 1, 2, 3, or 4, and wherein the hydroxyalkylamide is present at surfaces of the water-absorbing resin and crosslinks polymer chains at the surfaces of the water-absorbing resin.