Ryota Kuramae, Utsunomiya, Japan.
Assigned to Kao Corporation, Tokyo, Japan.
Filed: 12/7/17
Issued: 5/7/24
An absorbent member comprising: an absorbent sheet comprising a base sheet and an absorbent polymer is fixed to the base sheet on a first skin-facing surface side of the absorbent sheet; and a cover sheet covering at least a portion of the first skin-facing surface side of the absorbent sheet, wherein the absorbent polymer is fixed to the cover sheet with a cover sheet fixing adhesive interposed therebetween, and in a state where the absorbent polymer swells by liquid absorption, an adhesiveness of the cover sheet fixing adhesive is lower than that before swelling of the absorbent polymer, the absorbent polymer is fixed to the base sheet with a base sheet fixing adhesive interposed therebetween in the absorbent sheet, and the base sheet fixing adhesive and the cover sheet fixing adhesive have different adhesivenesses in a wet state, and the adhesiveness of the base sheet fixing adhesive is greater than that of the cover sheet fixing adhesive in the wet state, and an absorbent polymer fixing proportion to the base sheet is 40% or more; and wherein swelling by liquid absorption of the absorbent polymer fixed to the base sheet of the absorbent sheet causes at least a portion or an entirety of the base sheet to bend and project toward the first skin-facing surface side of the absorbent sheet, and thereby forming a gap between a second non-skin-facing surface side of the base sheet of the absorbent sheet and a portion of the cover sheet covering at least a portion of a second non-skin-facing surface side of the absorbent sheet; and wherein swelling by liquid absorption of the absorbent polymer fixed to the base sheet of the absorbent sheet on the first skin-facing surface side of the absorbent sheet causes a gap to form between the base sheet of the absorbent sheet and the cover sheet covering at least the portion of the first skin-facing surface side of the absorbent sheet.
