WASSERABSORBIERENDE HARZZUSAMMENSETZUNG UND VERFAHREN ZU IHRER HERSTELLUNG

摘要

An absorbent resin composition which shows high speed of absorption, excels in fluid permeability, and enjoys a high absorption capacity under load comprises primary particles of an absorbent resin and granulated particles of an absorbent resin obtained by granulating particles of absorbent resin having an average particle size smaller than the average particle size of the primary particles. An absorbent article contains the composition. The absorbent resin composition is produced by a method which comprises a step of producing granulated particles by granulating particles of absorbent resin having an average particle size in the range of 10 to 100 mu m and a step of mixing the resultant granulated particles of the absorbent resin with the primary particles of an absorbent resin having an average particle size in the range of 150 to 800 mu m. The granulated particles of an absorbent resin is produced by a method which comprises mixing the particles of absorbent resin with a granulating agent and extruding the resultant mixture through an extrusion granulating device provided with a spherical perforated plate.