Absorbent Article Comprising a Contraphilic Polymer
AssigneeSCA Hygiene Products AB
InventorsShabira Abbas, Carolyn Berland
Life of this patent
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Abstract
An absorbent article such as a diaper, panty diaper, panty liner, a sanitary napkin, an incontinence protection or the like, having in this order a liquid-permeable coversheet, optionally at least one further layer of a web or foam material, optionally an absorbent layer, and a liquid-impermeable coversheet, characterized in that at least one part of this absorbent article has a polymer that is hydrophilic when dry, but shows a reduced hydrophilicity upon wetting; and to the corresponding liquid-permeable or -impermeable coversheet and web or foam material.
Claims19
An absorbent article comprising in this order
- a liquid-permeable coversheet, and
- a liquid-impermeable coversheet,
- wherein at least one part of this absorbent article comprises a polymer that is hydrophilic when dry, but shows a reduced hydrophilicity upon wetting.
The absorbent article according to claim 17, wherein the part of the absorbent article comprising the polymer is selected from the liquid-permeable coversheet, the at least one further layer of a web or foam material or the liquid-impermeable coversheet.
A liquid-permeable coversheet for an absorbent article wherein said liquid-permeable cover-sheet comprises a polymer that is hydrophilic when dry, but shows a reduced hydrophilicity upon wetting.
A web or foam material for an absorbent article wherein said web or foam material comprises a polymer that is hydrophilic when dry, but shows a reduced hydrophilicity upon wetting.
A liquid-impermeable coversheet for an absorbent article wherein said liquid-permeable cover-sheet comprises a polymer that is hydrophilic when dry, but shows a reduced hydrophilicity upon wetting.
Dependencies are inferred from the claim text.