Patents

Absorbent Core Comprising a High Loft Central Layer and Channels

U.S. Patent No. 12,053,358

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry

Ernesto Gabriel Bianchi, Oberursel, Germany; and Bruno Johannes Ehrnsperger, Bad Soden, Germany.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 8/3/21
Issued: 8/6/24

An absorbent core for use in an absorbent article, the absorbent core extending in a transversal direction and a longitudinal direction, the absorbent core comprising: a fluid-permeable top layer; a bottom layer; a central layer sandwiched between the top layer and the bottom layer, the central layer having a front edge, a back edge and two longitudinally extending side edges, wherein the central layer is a high loft fibrous nonwoven layer comprising synthetic fibers defining void spaces therebetween; and superabsorbent polymer particles disposed within the high loft nonwoven layer in the void spaces between the synthetic fibers of a first zone of the central layer; wherein the central layer has a density of about 0.200 g/cc or less at a pressure of 4.14 kPa, wherein a second zone of the central layer comprises a longitudinally-extending channel substantially free of superabsorbent polymer particles, and wherein the first zone and the second zone both comprise the high loft fibrous nonwoven layer.

Keep Up With Our Content. Subscribe To Nonwovens Industry Newsletters