Hydrolytically stable postcrosslinked superabsorbents

The This invention relates to a process for producing postcrosslinked, water-absorbing polymer structures, comprising the process steps Contacting water-absorbing polymeric formations P1. which by polymerization of ethylenically unsaturated, acid-functional monomers or salts thereof were obtained in the presence of a crosslinking agent, with a fluid F1Comprising a postcrosslinker,- Heating the fluid with the F1 in contact accommodated, absorbing polymer structures to a temperature in a range of 40 to 300 ° C obtain post-crosslinked, water-absorbing polymer structure P2.absorbing polymer structure P1 one described herein in accordance with the Test Method certain thermal stability of less than 3.0% have. The invention also relates to water-absorbing polymer structures, obtainable by this method absorbing polymer structures, made by water- based on cross-linked, carboxylic acid groups-containing monomers, a composite, comprising water-absorbing polymer structures and a substrate, a method for producing a composite, a obtainable by this process Composite, chemical products, comprising water-absorbing polymer structure or a composite, the use of water-absorbing polymer structure or a composite in chemical products as well as the use of triallyl isocyanate as internal crosslinkers in the preparation by on ...