PROBLEM TO BE SOLVED: To provide a method for producing an absorbent resin balanced in a high level of the absorption amount under a heavy load.SOLUTION: In the method for producing an absorbent resin by performing radical polymerization of a water-soluble radically polymerizable monomer (a) and a crosslinking agent (b) in the presence of water, the polymerization is performed in the coexistence of a compound (c) represented by general formula (I) or (II), wherein R1 to R4 are each a hydrogen atom, a 1C-4C alkyl group, a phenyl group, or a carboxyl group or a salt formation group thereof.COPYRIGHT: (C)2013,JPO&INPIT【課題】高荷重下での吸収量が高いレベルでバランスが取れた吸収性樹脂の製法を提供。【解決手段】水溶性のラジカル重合性モノマー(a)と架橋剤(b)を、水の存在下でラジカル重合する吸収性樹脂の製法において、下記一般式(I)または(II)で示される化合物(c)の共存下に重合を行うことを特徴とする吸収性樹脂の製法。【選択図】なし
