Apertured web
The present invention relates to a web comprising: discrete extended elements having open proximal ends, open or closed dismal ends and side walls; macro apertures arranged in a staggered pattern; first regions comprising a first top plane; and second regions comprising a second top plane having a length less than or equal to about 0.9 mm, wherein each of the first regions is surrounded by four distinctive second regions, the four distinctive second regions being connected by two adjacent macro apertures in the first direction and another two adjacent macro apertures in the second direction which is orthogonal to the first direction, and wherein each of the second regions is surrounded by two adjacent first regions and two adjacent macro apertures located in a third direction or a fourth direction not parallel either to the first direction or to the second direction.
1. A web having a first surface and a second surface opposite to the first surface comprising:
a) a plurality of discrete extended elements extending outwardly from the first surface, the discrete extended elements having open proximal ends, open or closed distal ends and side walls,
b) a plurality of macro apertures having a major axis dimension and a minor axis dimension and being arranged in a staggered pattern,
c) a plurality of first regions, each of the first regions being surrounded by four distinctive second regions, the four distinctive second regions being connected by two adjacent macro apertures located in a first direction and another two adjacent macro apertures located in a second direction which is orthogonal to the first direction,
d) a plurality of second regions, each of the second regions being surrounded by two adjacent first regions and two adjacent macro apertures located along a third direction or a fourth direction, wherein the third direction and the fourth direction are not parallel to either the first direction or to the second direction,
wherein the second regions comprise a second top plane having a length less than or equal to about 0.9 mm between the two adjacent macro apertures as measured according to Top Plane length Measurement.
2. The web of claim 1 , wherein the web comprises the discrete extended elements selected from discrete extended elements having a diameter of less than about 500 microns, the discrete extended elements having an aspect ratio of at least about 0.2, at least about 95 discrete extended elements per square centimeter, and mixtures of thereof.
3. The web of claim 1 , wherein the web comprises the macro apertures with a macro aperture density of from about 20 to about 40 macro aperture/cm 2 web.
4. The web of claim 1 , wherein the discrete extended elements comprises opened distal ends.
5. The web of claim 1 , wherein the macro apertures have a ratio of a major axis dimension to minor axis dimension not greater than about 3.3.
6. The web of claim 1 , wherein the first top plane has a length greater than about 0.9 mm in at least one of the first direction and the second direction as measured according to Top Plane length Measurement.
7. The web of claim 1 , wherein the discrete extended elements are substantially intact.
8. The web of claim 1 , wherein the macro apertures have a polygonal shape.
9. The web of claim 1 , wherein the macro apertures have a quadrilateral shape.
10. The web of claim 1 , wherein the discrete extended elements are formed by a vacuum formation process.
11. The web of claim 1 , wherein the macro apertures are formed by a mechanical deformation process.
12. A web having a first surface and a second surface opposite to the first surface comprising:
a) a plurality of discrete extended elements extending outwardly from the first surface, the discrete extended elements having open proximal ends, open or closed distal ends and side walls,
b) a plurality of macro apertures having a major axis dimension and a minor axis dimension and being arranged in a staggered pattern,
c) a plurality of first regions, each of the first regions being surrounded by four distinctive second regions, the four distinctive second regions being connected by two adjacent macro apertures located along a first direction and another two adjacent macro apertures located along a second direction which is perpendicular to the first direction,
d) a plurality of second regions, each of the second regions being surrounded by two adjacent first regions, and two adjacent macro apertures located along a third direction or a fourth direction, wherein the third direction and the fourth direction are not parallel either to the first direction or to the second direction,
wherein the second regions have better fluid drainage than the first regions.
13. The web of claim 12 , wherein the fluid drainage is measured according to Fluid Drainage Test.
14. The web of claim 12 , wherein the web comprises the discrete extended elements selected from discrete extended elements having a diameter of less than about 500 microns, the discrete extended elements having an aspect ratio of at least about 0.2, at least about 95 discrete extended elements per square centimeter, and mixtures of thereof.
15. The web of claim 1 , wherein the discrete extended elements are substantially intact from heat damage.
16. The web of claim 1 , wherein the macro apertures have a polygonal shape.
17. The web of claim 1 , wherein the macro apertures have a quadrilateral shape.
18. The web of claim 1 , wherein the discrete extended elements are formed by a vacuum formation process.
19. The web of claim 1 , wherein the macro apertures are formed by a mechanical deformation process.
20. An absorbent article comprising a liquid pervious topsheet comprising;
the web according to claim 1 , the tophseet having a body-facing surface and a garment facing surface opposed to the body facing surface, and a liquid impervious backsheet joined to the topsheet.