An absorbent core suitable for use in an absorbent article comprising: a first absorbent layer, the first absorbent layer comprising a first substrate, and a layer of cross-linked cellulose fibers deposited on the first substrate, a second absorbent layer, the second absorbent layer comprising a sec
An absorbent core suitable for use in an absorbent article comprising: a first absorbent layer, the first absorbent layer comprising a first substrate, and a layer of cross-linked cellulose fibers deposited on the first substrate, a second absorbent layer, the second absorbent layer comprising a second substrate, a layer of superabsorbent polymer particles deposited on the second substrate and a fibrous layer of thermoplastic adhesive material covering the layer of superabsorbent polymer particles. The first and second absorbent layers being combined together such that at least a portion of the fibrous layer of thermoplastic adhesive material contacts at least a portion of the layer of cross-linked cellulose fibers of the first absorbent layer.
대표청구항▼
1. An absorbent article comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core comprises: a first absorbent layer comprising a first substrate and a layer of cross-linked cellulose fibers deposited on the first substrate;
1. An absorbent article comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core comprises: a first absorbent layer comprising a first substrate and a layer of cross-linked cellulose fibers deposited on the first substrate; anda second absorbent layer comprising a second substrate, a layer of superabsorbent polymer particles deposited on the second substrate;wherein the first and second absorbent layers are combined together such that the layer of cross-linked cellulose fibers and the layer of absorbent material are disposed between the first and second substrates; andwherein the absorbent article further comprises an acquisition layer between the absorbent core and the topsheet, and wherein the first substrate is at least partially disposed between the acquisition layer and the layer of cross-linked cellulose fibers. 2. The absorbent article according to claim 1, wherein the acquisition layer is smaller than the layer of cross-linked cellulose fibers. 3. The absorbent article according to claim 1, wherein the acquisition layer is at least partially offset with respect to the layer of cross-linked cellulose fibers. 4. The absorbent article according to claim 1, wherein one of the first substrate or the second substrate is C-wrapped along the longitudinal edges of the core and another of the first or second substrate is placed inwardly of these C-flaps. 5. The absorbent article according to claim 1, wherein the cross-linked cellulose fibers are chemically cross-linked using a cross-linking agent selected from the group consisting of polycarboxylic cross-linking agents, polyacrylic acids, and mixtures thereof. 6. The absorbent article according to claim 1, wherein the layer of cross-linked cellulose fibers comprises at least 50% by weight of the layer of cross-linked cellulose fibers. 7. The absorbent article according to claim 1, wherein the layer of cross-linked cellulose fibers comprises polyester fibers. 8. The absorbent article according to claim 1, wherein the layer of cross-linked cellulose fibers comprises a basis weight of from 30 to 400 gsm. 9. The absorbent article according to claim 1, wherein the weight ratio of the superabsorbent polymer particles to the cross-linked cellulose fibers ranges from 1:1 to 10:1. 10. The absorbent article according to claim 1, comprising from 30 to 90 weight percent of the superabsorbent polymer particles by total weight of the core. 11. The absorbent article according to claim 1, comprising from 5 to 50 weight percent of the cross-linked cellulose fibers by total weight of the core. 12. The absorbent article according to claim 1, wherein the layer of superabsorbent polymer particles is deposited on the second substrate on a deposition area comprising discrete land areas separated by junction areas substantially free of the superabsorbent polymer particles. 13. The absorbent article according to claim 1, comprising a longitudinal axis, wherein the layer of superabsorbent polymer particles and/or the layer of cross-linked cellulose fibers is profiled along the longitudinal axis of the core so that the basis weight of the superabsorbent polymer particles varies along the longitudinal axis. 14. The absorbent article according to claim 1, wherein the superabsorbent polymer particles are immobilized on the second substrate. 15. The absorbent article according to claim 1, wherein the layer of superabsorbent polymer particles and/or the layer of cross-linked cellulose fibers comprises a channel. 16. The absorbent article according to claim 1, comprising a first auxiliary adhesive placed between the first substrate and the layer of cross-linked cellulose fibers and/or a second auxiliary adhesive placed between the second substrate and the layer of the superabsorbent polymer particles. 17. The absorbent article according to claim 1, wherein the layer of superabsorbent polymer particles is deposited on a non-rectangular deposition area. 18. The absorbent article according to claim 1, wherein the layer of superabsorbent polymer particles is deposited on a deposition area which is larger than the area on which the layer of cross-linked cellulose fibers is deposited.
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