Disposable Absorbent Article With Enhanced Absorption Properties With Substantially Continuously Distributed Absorbent Particulate Polymer Material
First Claim
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1. A disposable absorbent article comprising:
- a chassis including a topsheet and a backsheet; and
a substantially cellulose free absorbent core located between the topsheet and the backsheet and including;
first and second absorbent layers, the first absorbent layer including a first substrate and the second absorbent layer including a second substrate;
absorbent particulate polymer material deposited on said first and second substrates, wherein the absorbent particulate polymer material has a saline flow conductivity greater than about 100×
10−
7 cm3·
sec/g and a centrifuge retention capacity of greater than about 20 g/g; and
thermoplastic adhesive material covering the absorbent particulate polymer material on the respective first and second substrates,said first and second absorbent layers combined together such that at least a portion of said thermoplastic adhesive material of said first absorbent layer contacts at least a portion of the thermoplastic adhesive material of said second absorbent layer, the absorbent particulate polymer material is disposed between the first and second substrates in an absorbent particulate polymer material area, and the absorbent particulate polymer material is substantially continuously distributed across the absorbent particulate polymer material area.
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Abstract
A substantially cellulose free absorbent core comprising absorbent polymer material having a saline flow conductivity greater than about 100×10−7 cm3·sec/g and a centrifuge retention capacity of greater than about 20 g/g. A disposable absorbent article is also disclosed.
245 Citations
16 Claims
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1. A disposable absorbent article comprising:
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a chassis including a topsheet and a backsheet; and a substantially cellulose free absorbent core located between the topsheet and the backsheet and including; first and second absorbent layers, the first absorbent layer including a first substrate and the second absorbent layer including a second substrate; absorbent particulate polymer material deposited on said first and second substrates, wherein the absorbent particulate polymer material has a saline flow conductivity greater than about 100×
10−
7 cm3·
sec/g and a centrifuge retention capacity of greater than about 20 g/g; andthermoplastic adhesive material covering the absorbent particulate polymer material on the respective first and second substrates, said first and second absorbent layers combined together such that at least a portion of said thermoplastic adhesive material of said first absorbent layer contacts at least a portion of the thermoplastic adhesive material of said second absorbent layer, the absorbent particulate polymer material is disposed between the first and second substrates in an absorbent particulate polymer material area, and the absorbent particulate polymer material is substantially continuously distributed across the absorbent particulate polymer material area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A substantially cellulose free absorbent core comprising:
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first and second absorbent layers, the first absorbent layer including a first substrate and the second absorbent layer including a second substrate; absorbent particulate polymer material deposited on said first and second substrates, wherein the absorbent particulate polymer material has a saline flow conductivity greater than about 100×
10−
7 cm3·
sec/g and a centrifuge retention capacity of greater than about 20 g/g; andthermoplastic adhesive material covering the absorbent particulate polymer material on the respective first and second substrates, said first and second absorbent layers combined together such that at least a portion of said thermoplastic adhesive material of said first absorbent layer contacts at least a portion of the thermoplastic adhesive material of said second absorbent layer, the absorbent particulate polymer material is disposed between the first and second substrates in an absorbent particulate polymer material area, and the absorbent particulate polymer material is substantially continuously distributed across the absorbent particulate polymer material area. - View Dependent Claims (14, 15, 16)
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Specification