| abstract |
【Task】 To provide an absorbent resin particle that can prevent gel blocking and that does not decrease the absorption rate for urine and water, and to provide an absorbent article that hardly leaks. [Solution] A crosslinked polymer (A) having (meth) acrylic acid (salt) and an internal crosslinking agent (b) as essential structural units, and a hydrophobic substance (b1) having a hydrogen bonding functional group and / or a covalent bonding functional group And an absorbent resin particle comprising inorganic porous fine particles (c1), Absorbent resin particles obtained by mixing at least part of the surface of (A) with (b1) and (c1). [Selection] Figure 1 |