Polyurethane foams for treating wounds

摘要

Process for producing foamed articles (A) made of polyurethane foams comprises frothing and drying a composition comprising an aqueous, anionically hydrophilicized, polyurethane dispersion (I) and an inorganic cationic coagulant (II). Independent claims are included for: (1) the foamed article (A) produced by the process; and (2) the composition comprising (I) and (II).