Water absorbent storage layers
AssigneeBASF SE
InventorChristophe Bauduin
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Abstract
The present invention relates to improved water-absorbing storage layers for use in hygiene articles, the water-absorbing storage layers being essentially free of cellulose fibers.
Claims10
A water-absorbing storage layer consisting of a nonwoven backsheet, water-absorbing polymer particles, a liquid-pervious matrix, an adhesive, and a liquid-pervious topsheet, wherein liquid-pervious matrix is arranged in strips or geometric patterns between the liquid-pervious topsheet and the nonwoven backsheet and the water-absorbing polymer particles are present in chambers formed by the liquid-pervious matrix, wherein the water-absorbing polymer particles are fixed on the nonwoven backsheet;
- and
- wherein the liquid-pervious matrix is selected from the group consisting of a hydrophilic fiber, cellulose, and a sponge.
Dependencies are inferred from the claim text.