Absorbent article
AssigneeKao Corporation
InventorsNamie Itoi, Masahito Tanaka, Shinsuke Nagahara, Tetsuyuki Kigata
Life of this patent
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Abstract
An absorbent article 1 has an extensible absorbent member 4 and is extensible as a whole. The absorbent member 4 has three-dimensionally dispersed therein a large number of small absorbent clusters 10a or 10b containing a superabsorbent polymer 11 and fibers 12, 13, 14. The small clusters 10a or 10b are dispersively arranged in a web containing crimped fibers. The small clusters include those composed of a superabsorbent polymer particle 11 and a large number of fibers 12 adhered to the particle 11 and those composed of a helically crimped fiber 13, a superabsorbent polymer particle 11, and fibers 14, the polymer particle 11 and the fibers 14 being taken into the helix of the crimped fiber 13.
Claims8
An absorbent article having extensibility as a whole and comprising an extensible absorbent member comprising a web having a number of small absorbent clusters dispersed therein in three dimensions, the small absorbent clusters containing a superabsorbent polymer and fibers;
- wherein the small clusters are each composed of a helically crimped fiber, a superabsorbent polymer particle, and other fiber, the polymer particle and the other fiber being taken into the helix of the helically crimped fiber;
- wherein the other fiber comprises hydrophilic fiber;
- wherein the small clusters have an average size of 0.2 to 5 mm;
- and
- wherein the extensible absorbent member has a fiber density around the small absorbent clusters that is higher than a fiber density around an area of support surrounding the small absorbent clusters.
An absorbent article having extensibility as a whole and comprising a stretchable absorbent member comprising a web containing crimped fiber, the web having a number of small absorbent clusters dispersed in the web in three dimensions,
- wherein the small clusters are each composed of a helically crimped fiber, a superabsorbent polymer particle, and other fiber, the polymer particle and the other fiber being taken into the helix of the helically crimped fiber;
- wherein the other fiber comprises hydrophilic fiber;
- wherein the small clusters have an average size of 0.2 to 5 mm;
- and
- wherein the extensible absorbent member has a fiber density around the small absorbent clusters that is higher than a fiber density around an area of support surrounding the small absorbent clusters.
Dependencies are inferred from the claim text.