Corrugated and apertured web
Corrugated and apertured web materials are disclosed. More specifically, the webs comprise alternating ridges and grooves, wherein apertures are located in the grooves. In one embodiment, a web comprises alternating ridges and grooves as well as alternating regions of lower basis weight and higher basis weight. The higher basis weight regions are located in the ridges and grooves and the lower basis weight regions are located in the sidewalls between the ridges and grooves. The higher basis weight regions located in the grooves comprise apertures. The apertures have greater open area than previous apertures in similar webs.
1. A web comprising:
a. alternating ridges and grooves; and
b. alternating regions of lower basis weight and higher basis weight;
wherein the higher basis weight regions are located in the ridges and grooves;
wherein the lower basis weight regions are located in the sidewalls between the ridges and grooves; and wherein the higher basis weight regions located in the grooves comprise apertures.
2. The web of claim 1 , wherein the web is selected from the group consisting of a flat film, a micro-textured film, a nonwoven web comprising thermal bond points, a nonwoven web not comprising thermal bond points, paper substrates, laminates, or combinations thereof.
3. The web of claim 1 , wherein the ridges and grooves are hollow.
4. The web of claim 1 , wherein the web has an initial web basis weight and wherein the lower basis weight regions have a basis weight which is lower than the initial web basis weight.
5. The web of claim 1 , wherein the web comprises a z-direction, wherein the lower basis weight regions are oriented in the z-direction more than the higher basis weight regions.
6. The web of claim 1 , wherein the web has an initial web thickness, wherein the web is a film, wherein the higher basis weight regions are thicker than the lower basis weight regions, and wherein the lower basis weight regions are thinner than the initial web thickness.
7. The web of claim 1 , wherein the ridges run discontinuously across a deformed zone.
8. The web of claim 1 , wherein the web comprises a plurality of zones, wherein the zones differ by at least one feature selected from the group consisting of: ridge height, ridge spacing, aperture size, fiber diameter, film thickness, or combinations thereof.