Absorbent articles having distribution materials
An absorbent article comprises a liquid permeable topsheet, a liquid impermeable backsheet, an absorbent core positioned at least partially intermediate the topsheet and the backsheet, and a distribution material comprising a wet-laid, three-dimensional fibrous substrate comprising at least 80% pulp fibers by weight of the wet-laid, three-dimensional fibrous substrate. The wet-laid, three-dimensional fibrous substrate comprises a continuous network region and a plurality of discrete zones that are dispersed throughout the continuous network region. The continuous network region comprises a first average density and the plurality of discrete zones comprise a second average density. The discrete zones are dispersed throughout the continuous network region. The first average density and the second average density are different.
1. An absorbent article, comprising:
a central longitudinal axis;
a liquid permeable topsheet;
a liquid impermeable backsheet;
an absorbent core positioned at least partially intermediate the topsheet and the backsheet, wherein the absorbent core comprises an absorbent material positioned within a core wrap, wherein the core wrap forms a C-wrap, and wherein the absorbent material comprises a substantially absorbent material free area surrounded on all sides by the absorbent material;
a distribution material positioned intermediate the topsheet and the core wrap and comprising two or more substrates, wherein a plurality of the two or more substrates comprise wet-laid, three-dimensional fibrous substrates comprising at least 80% pulp fibers by weight of the three-dimensional fibrous substrates, wherein the plurality of the three-dimensional fibrous substrates each comprise:
a continuous network region, wherein the continuous network region comprises a first average density; and
a plurality of discrete zones comprising a second average density, wherein the discrete zones are dispersed throughout the continuous network region, and wherein the first average density and the second average density are different;
an acquisition material positioned intermediate the topsheet and the distribution material; and
at least one of the two or more substrates is formed by folding the at least one substrate fully over itself, wherein the at least one substrate forms a dual layer at least in an area that overlaps the central longitudinal axis of the absorbent article.
2. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates are creped, and wherein the three-dimensional aspects of the three-dimensional fibrous substrates are wet-formed.
3. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates comprise at least 90% pulp fibers by weight of the wet-laid, three-dimensional fibrous substrates.
4. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates comprise discrete embossments.
5. The absorbent article of claim 1 , wherein the absorbent material comprises at least 85% of superabsorbent polymers, by total weight of the absorbent material.
6. The absorbent article of claim 5 , wherein the absorbent core comprises an adhesive configured to aid in immobilizing the absorbent material.
7. The absorbent article of claim 1 , wherein the absorbent material comprises at least 95% of superabsorbent polymers, by total weight of the absorbent material.
8. The absorbent article of claim 1 , wherein the substantially absorbent material free area defines an arcuate shape.
9. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates are uncreped.
10. The absorbent article of claim 1 , comprising:
leg cuffs; and
a waist edge.
11. The absorbent article of claim 1 , comprising:
a front region;
a crotch region; and
a rear region, wherein the crotch region is positioned intermediate the front region and the rear region, wherein the distribution material has a first profile in the front region, the crotch region, or the rear region, and wherein the distribution material has a second, different profile in another of the regions.
12. The absorbent article of claim 1 , wherein the absorbent article is a sanitary napkin.
13. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates have a Geometric Mean TEA of about 100 g*in/in 2 to about 500 g*in/in 2 , according to the Tensile Test herein.
14. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates have a Geometric Mean Tensile of about 700 g/in to about 1,100 g/in, according to the Tensile Test herein.
15. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates have a Geometric Mean Modulus of about 1,000 g/cm to about 3,000 g/cm, according to the Tensile Test herein.
16. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates have a Geometric Mean Peak Elongation of about 10% to about 23%, according to the Tensile Test herein.
17. The absorbent article of claim 1 , wherein the wet-laid, three-dimensional fibrous substrates have a Wet Burst Strength of about 50 g to about 500 g, according to the Wet Burst Strength Test herein.
18. A package comprising a plurality of the absorbent articles of claim 1 , wherein the package has an in-bag stack height of less than about 80 mm, according to the In-Bag Stack Height Test herein.
19. An absorbent article, comprising:
a central longitudinal axis;
a liquid permeable topsheet;
a liquid impermeable backsheet;
an absorbent core positioned at least partially intermediate the topsheet and the backsheet, wherein the absorbent core comprises an absorbent material positioned within a core wrap, wherein the core wrap forms a C-wrap, and wherein the absorbent material comprises a substantially absorbent material free area surrounded on all sides by the absorbent material;
a distribution material positioned intermediate the topsheet and the core wrap and comprising two or more substrates, wherein a plurality of the two or more substrates comprise wet-formed, three-dimensional fibrous substrates comprising at least 80% pulp fibers by weight of the wet-formed, three-dimensional fibrous substrates, wherein the plurality of the wet-formed, three-dimensional fibrous substrates each comprise:
a wet strength resin;
a continuous network region, wherein the continuous network region comprises a first average density; and
a plurality of discrete zones comprising a second average density, wherein the discrete zones are dispersed throughout the continuous network region, and wherein the first average density is different than the second average density;
an acquisition material positioned intermediate the topsheet and the distribution material; and
at least one substrate of the two or more substrates is fully folded over itself to form a two layer structure that overlaps the central longitudinal axis.
20. The absorbent article of claim 19 wherein the wet-formed, three-dimensional fibrous substrates are creped, wherein the continuous network region has a first basis weight, wherein the plurality of discrete zones have a second basis weight, wherein the first and second basis weights are different, wherein the continuous network region has a first dry caliper, wherein the plurality of discrete zones have a second dry caliper, and wherein the first and second dry calipers are different.
21. A package comprising:
a plurality of absorbent articles, wherein each of the absorbent articles comprises:
a central longitudinal axis;
a liquid permeable topsheet;
a liquid impermeable backsheet;
an absorbent core positioned at least partially intermediate the topsheet and the backsheet, wherein the absorbent core comprises an absorbent material comprising at least 80% superabsorbent polymers by weight of the absorbent material, wherein the absorbent material is positioned within a core wrap, wherein the core wrap forms a C-wrap, wherein the absorbent material comprises a substantially absorbent material free area surrounded on all sides by the absorbent material, and wherein the substantially absorbent material free area defines an arcuate shape;
a distribution material positioned intermediate the topsheet and the core wrap and comprising two or more substrates, wherein a plurality of the two or more substrates comprise wet-formed, three-dimensional fibrous substrates comprising at least 80% pulp fibers by weight of the wet-formed, three-dimensional fibrous substrates, wherein the plurality of the wet-formed, three-dimensional fibrous substrates each comprise:
a wet strength resin;
a continuous network region, wherein the continuous network region comprises a first average density; and
a plurality of discrete zones comprising a second average density, wherein the discrete zones are dispersed throughout the continuous network region, wherein the first average density is different than the second average density;
an acquisition material positioned intermediate the topsheet and the distribution material; and
wherein the package has an in-bag stack height of less than about 80 mm, according to the In-Bag Stack Height Test herein; and
at least one substrate of the two or more substrates is fully folded over itself to form a two layer structure that overlaps the central longitudinal axis.