Alkali-neutralising superabsorbent products

Details Alkali-neutralising superabsorbent products Alkali-neutralising superabsorbent products

A - Human Necessities

61

L

A61L 15/60 (2006.01) A61L 15/20 (2006.01) A61L 15/46 (2006.01)

Patent

CA 2388353

A superabsorbent article of the invention having improved odour control and microbial control, comprises a liquid-impervious back layer, a liquid-absorbing intermediate layer containing a partially neutralised, acidic hydrophilic polymer, especially a surface-crosslinked polyacrylate, and a liquid-pervious, non-absorbing top layer, and is characterised by comprising an alkali-neutralising agent which is evenly distributed in said absorbing intermediate layer.

L'invention porte sur un article superabsrobant à contrôle amélioré des odeurs et des microbes comportant une couche de fond imperméable aux liquides, une couche intermédiaire absorbante contenant un polymère hydrophile acide partiellement neutralisé (spécialement un polyacrylate à réticulation superficielle), et une couche supérieure perméable aux liquides et non absorbante, et caractérisé en ce qu'il contient un agent neutralisant les substances alcalines régulièrement distribué dans la couche intermédiaire absorbante.

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