PROBLEM TO BE SOLVED: To provide a water-absorbable resin composition which has high water absorption performance, prevents odor, and develops a sufficient antibacterial effect.SOLUTION: There are provided a water-absorbable resin composition which has an organic hydrophobic antibacterial agent, a hydrophilic and non-volatile organic solvent and a water-absorbable resin, where the organic hydrophobic antibacterial agent and the organic solvent are bonded in an island shape onto the surface of the water-absorbable resin, such a coverage that the organic hydrophobic antibacterial agent covers the surface of the water-absorbable resin is 5-40%, and the organic solvent is selected from ethylene glycol, propylene glycol and butylene glycol and the water-absorbable resin composition, where the organic hydrophobic antibacterial agent is salt triclosan of trialkyl quaternary ammonium cation having a benzyl group and dialkyl phosphoric ester anion.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】吸水性能が高く、悪臭を発せず、十分な抗菌効果が発現する吸水性樹脂組成物の提供。【解決手段】有機疎水性抗菌剤と、親水性かつ不揮発性の有機溶媒と、吸水性樹脂とを有し、前記有機疎水性抗菌剤と前記有機溶媒とが前記吸水性樹脂の表面に島状に付着し、前記有機疎水性抗菌剤が前記吸水性樹脂の表面を被覆する被覆率が5~40%であり、有機溶媒が、エチレングリコール、プロピレングリコール、及びブチレングリコールから選ばれる吸水性樹脂組成物。前記有機疎水性抗菌剤がベンジル基を有するトリアルキル4級アンモニウムカチオンとジアルキル燐酸エステルアニオンの塩トリクロサンである吸水性樹脂組成物。【選択図】なし