Comfortable diaper

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) B32B 5/22 (2006.01) B32B 33/00 (2006.01)

Patent

CA 2515143

The present invention concerns an absorbent article (20), preferably a disposable absorbent article, such as a diaper. The present invention specifically concerns an absorbent core (28) for such an absorbent article which provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20 % of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60 %, 70 %, 80 % or 90 % according to the Wet Immobilization Test described herein.

La présente invention concerne un article absorbant (20), de préférence un article absorbant jetable, tel qu'une couche. Cette invention concerne en particulier un noyau absorbant (28) destiné à cet article absorbant qui présente une meilleure immobilisation des matériaux polymères absorbant lorsque cet article est complètement ou partiellement chargé d'urine. Ce noyau absorbant permet d'obtenir un article absorbant plus confortable à porter. Cette invention concerne plus spécifiquement un noyau absorbant qui convient pour un article absorbant comprenant une couche de substrat et un matériau absorbant, ce matériau absorbant comprenant un matériau polymère absorbant, ce matériau absorbant comprenant éventuellement un matériaux fibreux absorbant, ce matériau fibreux absorbant ne représentant pas plus de 20% en masse de la masse de ce matériau polymère absorbant. Ce matériau absorbant est immobilisé lorsqu'il est mouillé de façon que le noyau absorbant réalise une immobilisation mouillée de plus de 50%, de préférence de plus de 60%, 70%, 80% ou 90% d'après le test d'immobilisation mouillée décrit dans ce dossier.

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