Water absorbing agent and method for the production thereof

Details Water absorbing agent and method for the production thereof Water absorbing agent and method for the production thereof

C - Chemistry, Metallurgy

08

L

C08L 39/02 (2006.01) A61L 15/24 (2006.01) A61L 15/60 (2006.01) C08L 33/02 (2006.01) C08L 57/00 (2006.01) C08L 101/00 (2006.01) C08L 33/26 (2006.01)

Patent

CA 2496448

Disclosed is a water absorbing agent which consists of (a) particles of a water absorbing polymer and (b) a polymer which contains nitrogen and which contains 5-17 mol/kg protonated nitrogen atoms in relation to the overall weight of said nitrogen- -containing polymer. The inventive agent has an improved property profile with a high absorption capacity, improved fluid transmissibility and high water resistance.

La présente invention concerne un agent d'absorption d'eau comprenant (a) des particules d'un polymère d'absorption d'eau, et (b) un polymère contenant du soufre qui contient 5 à 17 mol/kg, rapportés au poids total du polymère contenant du soufre, d'atomes d'azote protonables. L'agent a un profil de propriétés amélioré comprenant une capacité d'absorption élevée, un pouvoir de transfert de liquide amélioré et une résistance à l'humidité élevée.

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