Apertured extrusion coated nonwoven web for absorbent articles and absorbent articles including same
An apertured extrusion coated nonwoven web for use as a topsheet in an absorbent article includes a nonwoven material having a user-facing side and a garment-facing side opposite the user-facing side. The nonwoven material includes a plurality of fibers. The apertured extrusion coated nonwoven web also includes a polymer coating on the garment-facing side of the nonwoven material, the polymer coating having a basis weight of about 2 gsm to about 6 gsm, and a plurality of three-dimensional apertures that extend through the nonwoven material and the polymer coating. Each of the plurality of three-dimensional apertures includes a continuous sidewall extending from a garment-facing side of the polymer coating. The apertured extrusion coated nonwoven web has an open area of greater than 5% when subjected to a pressure of 0.6 psi.
1. An apertured extrusion coated nonwoven web for use as a topsheet in an absorbent article, the extrusion coated nonwoven web comprising:
a nonwoven material having a user-facing side and a garment-facing side opposite the user-facing side, the nonwoven material comprising a plurality of fibers;
a polymer coating on the garment-facing side of the nonwoven material, the polymer coating having a basis weight of about 2 gsm to about 6 gsm; and
a plurality of three-dimensional apertures extending through the nonwoven material and the polymer coating, each of the plurality of three-dimensional apertures comprising a continuous sidewall extending from a garment-facing side of the polymer coating,
wherein the three-dimensional apertures are arranged in a pattern of about 5 mesh to about 30 mesh,
wherein the continuous sidewall comprises both the nonwoven material and the polymer coating, and
wherein the apertured extrusion coated nonwoven web has an open area of greater than 5% when subjected to a pressure of 0.6 psi.
2. The apertured extrusion coated nonwoven web according to claim 1 , wherein the apertured extrusion coated nonwoven web has an open area of at least 50% of an original open area after the pressure of 0.6 psi is decreased to 0.0 psi.
3. The apertured extrusion coated nonwoven web according to claim 1 , wherein the apertured extrusion coated nonwoven web has an original open area of about 9% to about 15%.
4. The apertured extrusion coated nonwoven web according to claim 1 , wherein the nonwoven material is a spunbond nonwoven material and the fibers are continuous fibers.
5. The apertured extrusion coated nonwoven web according to claim 1 , wherein the nonwoven material is a carded nonwoven material and the fibers are staple fibers.
6. The apertured extrusion coated nonwoven web according to claim 1 , wherein the nonwoven material has a basis weight of about 8 gsm to about 20 gsm.
7. The apertured extrusion coated nonwoven web according to claim 6 , wherein the nonwoven material has a basis weight of about 10 gsm to about 15 gsm.
8. The apertured extrusion coated nonwoven web according to claim 1 , wherein the polymer coating comprises polyethylene.
9. The apertured extrusion coated nonwoven web according to claim 8 , wherein the polymer coating comprises high density polyethylene.
10. The apertured extrusion coated nonwoven web according to claim 1 , wherein the polymer coating has a basis weight of about 4 gsm to about 6 gsm.
11. The apertured extrusion coated nonwoven web according to claim 1 , wherein the apertures are arranged in a pattern of about 10 mesh to about 15 mesh.
12. An absorbent article comprising:
a user-facing topsheet;
a garment-facing backsheet; and
an absorbent core in between the topsheet and the backsheet,
wherein the topsheet comprises an apertured extrusion coated nonwoven web comprising
a nonwoven material having a user-facing side and a garment-facing side opposite the user-facing side, the nonwoven material comprising a plurality of fibers;
a polymer coating on the garment-facing side of the nonwoven material, the polymer coating having a basis weight of about 2 gsm to about 6 gsm; and
a plurality of three-dimensional apertures extending through the nonwoven material and the polymer coating, each of the plurality of three-dimensional apertures comprising a continuous sidewall extending from a garment-facing side of the polymer coating,
wherein the three-dimensional apertures are arranged in a pattern of about 5 mesh to about 30 mesh,
wherein the continuous sidewall comprises both the nonwoven material and the polymer coating, and
wherein the apertured extrusion coated nonwoven web has an open area of greater than 5% when subjected to a pressure of 0.6 psi.
13. A method for making apertured extrusion coated nonwoven web for use as a topsheet in an absorbent article, the method comprising:
extruding a polymer coating having a basis weight of about 2 gsm to about 6 gsm onto a nonwoven material to form an extrusion coated nonwoven web;
pin punching a plurality of three-dimensional apertures through the extrusion coated nonwoven web to form an apertured extrusion coated nonwoven web, each of the plurality of three-dimensional apertures comprising a continuous sidewall extending from a garment-facing side of the polymer coating,
wherein the three-dimensional apertures are arranged in a pattern of about 5 mesh to about 30 mesh,
wherein the continuous sidewall comprises both the nonwoven material and the polymer coating, and
wherein the apertured extrusion coated nonwoven web has an open area of greater than 5% when subjected to a pressure of 0.6 psi.
14. The method according to claim 13 , wherein the polymer coating is extruded onto the nonwoven material as the nonwoven material is fed over a forming structure that rotates about a cylinder having a vacuum slot through which a vacuum is pulled.
15. The method according to claim 13 , further comprising activating the apertured extrusion coated nonwoven web.
16. The method according to claim 13 , further comprising embossing the apertured extrusion coated nonwoven web.