Topsheet comprising natural fibers
AssigneeThe Procter & Gamble Company
InventorsRodrigo Rosati, Gueltekin Erdem, Cornelia Sprengard-Eichel, Luigi Di Girolamo-Galasso, Andrea Lieselotte Benner
Life of this patent
Estimating the term…
Abstract
A topsheet for use in an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between the plurality of the apertures. The contact angle on the land areas of the first layer between the plurality of the apertures is more than 70°, according to the Contact Angle Test Method. The topsheet has a run-off of less than 40%, according to the Run-off Test Method.
Claims19
A topsheet for use in an absorbent article having at least a first layer, wherein the first layer comprises at least 15% by weight of natural fibers by total weight of the first layer;
- wherein the first layer has a plurality of apertures;
- wherein the first layer comprises land areas between at least a plurality of the apertures;
- wherein a contact angle on the land areas of the first layer between the plurality of the apertures is more than 70°, according to a Contact Angle Test Method described herein;
- wherein a majority of the plurality of the apertures comprise a hydrophilic material;
- and
- wherein the topsheet has a run-off of less than 40%, according to a Run-off Test Method described herein;
- wherein the first layer comprises a plurality of protrusions, wherein the plurality of protrusions impart a three-dimensional shape to the first layer, and wherein the plurality of the apertures are located between the plurality of the protrusions;
- wherein the topsheet comprises a second layer in a face to face relationship with the first layer, and wherein the first layer and the second layer are in contact with each other between the plurality of the protrusions;
- wherein the second layer has a plurality of apertures at least partially aligned with the plurality of apertures of the first layer;
- wherein the first layer at least partially penetrates the second layer of the topsheet at the plurality of the apertures;
- wherein the second layer comprises land areas between the plurality of the apertures;
- and
- wherein the second layer comprises synthetic fibers, natural fibers or combinations thereof.
A topsheet for use in an absorbent article having at least a first layer, wherein the first layer comprises at least 80% by weight of natural fibers by total weight of the first layer;
- wherein the first layer comprises from 5% to 40% by weight of hydrophilic fibers selected from the group of synthetic fibers, natural fibers or combinations thereof, and from 60% to 95% by weight of hydrophobic natural fibers by total weight of the first layer;
- and wherein the topsheet has a run-off of less than 40%, according to a Run-off Test Method described herein;
- wherein the first layer has a plurality of apertures;
- and
- wherein a contact angle on the plurality of the apertures is less than or equal to 70°, according to the Contact Angle Test Method;
- wherein the first layer comprises a plurality of protrusions, wherein the plurality of protrusions impart a three-dimensional shape to the first layer, and wherein the plurality of the apertures are located between the plurality of the protrusions;
- wherein the topsheet comprises a second layer in a face to face relationship with the first layer, and wherein the first layer and the second layer are in contact with each other between the plurality of the protrusions;
- wherein the second layer has a plurality of apertures at least partially aligned with the plurality of apertures of the first layer;
- wherein the first layer at least partially penetrates the second layer of the topsheet at the plurality of the apertures;
- wherein the second layer comprises land areas between the plurality of the apertures;
- and
- wherein the second layer comprises synthetic fibers, natural fibers or combinations thereof.
Dependencies are inferred from the claim text.