PREPARATION METHOD OF IMPROVED SUPERABSORBENT POLYMERSAP TREATED WITH AQUEOUS DISPERSION COMPRISING NANOPARTICLES AND SUPERABSORBENT POLYMERSAP PREPARED THEREBY

摘要

The present invention relates to a method for producing a superabsorbent resin comprising the step of adding an aqueous dispersion containing particles having the characteristics of the following items i) to ii) to a superabsorbent resin, and a method for producing a superabsorbent resin will be.I) 300 to 1500 m²/ g of specific surface area,Ii) porosity of at least 50%;