Absorbent core comprising a high loft central layer and channels
AssigneeThe Procter & Gamble Company
InventorsErnesto Gabriel Bianchi, Bruno Johannes Ehrnsperger
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Abstract
An absorbent core for use in an absorbent article, the absorbent core extending in a transversal direction and a longitudinal direction. The absorbent core includes a fluid-permeable top layer, a bottom layer, and a middle layer between the top layer and the bottom layer. The middle layer may be a high loft fibrous nonwoven layer, in particular having a density of less than about 0.200 g/cc, measured at a pressure of 4.14 kPa. Superabsorbent polymer particles may be blended with the fibers of the middle layer, except for one or more longitudinally-extending channels substantially free of superabsorbent polymer particles.
Claims17
An absorbent core suitable for use in an absorbent article, the absorbent core extending in a transverse direction (x) and a longitudinal direction (y), the absorbent core comprising:
- a fluid-permeable top layer;
- a bottom layer;
- a middle layer sandwiched between the top layer and the bottom layer, the middle layer having a front edge, a back edge, and two longitudinally extending side edges, wherein the middle layer comprises a high loft fibrous nonwoven layer free of cellulosic fibers and superabsorbent polymer particles, having a density of less than 0.200 g/cc and a thickness of 0.3-2.0 mm measured at a pressure of 4.14 kPa and a basis weight of 30-200 gsm;
- wherein the top and/or the bottom layer is attached to the middle layer by gluing;
- and wherein the middle layer comprises a longitudinally extending channel substantially free of superabsorbent polymer particles.
Dependencies are inferred from the claim text.