PROBLEM TO BE SOLVED: To provide an absorbent article, keeping a difference between the flexural stiffness in a dry state and the flexural stiffness in a wet state of a joint part (the flexural stiffness in a dry state - the flexural stiffness in a wet state) equal to or less than a fixed value.SOLUTION: A sanitary napkin (1) includes: a top sheet (2) a back sheet (3) an absorber (4) provided between the top sheet (2) and the back sheet (3) and a compression part (5) for integrating the top sheet (2) with the absorber (4) in the thickness direction. The absorber (4) contains a cellulose type water absorption fiber and a thermoplastic resin fiber containing an unsaturated carboxylic acid, unsaturated carboxylic acid anhydride or a mixture thereof as a monomer component, and a difference between the Gurley type bending stiffness in a dry state and the Gurley type bending stiffness in a wet state of the compression part (5) is set to equal to or less than 2.5 mN/12.5 mm.COPYRIGHT: (C)2014,JPO&INPIT【課題】吸収性物品において、接合部の乾燥時曲げ剛性と湿潤時曲げ剛性との差(乾燥時曲げ剛性-湿潤時曲げ剛性)を一定以下に維持する。【解決手段】トップシート(2)と、バックシート(3)と、トップシート(2)及びバックシート(3)の間に設けられた吸収体(4)と、トップシート(2)及び吸収体(4)を厚さ方向に一体化する圧搾部(5)とを備えた生理用ナプキン(1)において、吸収体(4)に、セルロース系吸水性繊維と、不飽和カルボン酸、不飽和カルボン酸無水物又はそれらの混合物をモノマー成分として含む熱可塑性樹脂繊維とを含有させ、圧搾部(5)の乾燥時ガーレ剛軟度と湿潤時ガーレ剛軟度との差を2.5mN/12.5mm以下とする。【選択図】図1
