Absorbent product comprising at least one thermoplastic...

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/537 (2006.01) A61F 13/15 (2006.01)

Patent

CA 2346281

An absorbent product comprising a liquid-permeable casing layer (402), a liquid-barrier layer (413) and an absorption element (416) which is enclosed between the liquid-permeable casing layer (402) and the liquid-barrier layer (413), and a liquid-transfer layer (403) which is disposed between the liquid-permeable casing layer (402) and the absorption element (406). The envelope layer (402) is bonded in a pattern of distinct thermally produced bonds (405) to the liquid-transfer layer (403). The liquid-transfer layer (403) comprises 405 % by weight network-creating function fibres which are substantially intact following the bonding-together of the envelope layer (402) and the liquid-transfer layer (403) and which have a fibre coarseness ranging from 6 denier to 12 denier and 35-60 % by weight fibres comprising a weldable, thermoplastic component and having a fibre coarseness of at least 3 denier.

L'invention concerne un produit absorbant comprenant une couche d'enveloppe (402) perméable aux liquides, une couche barrière (413) imperméable aux liquides et un élément d'absorption (416) intercalé entre la couche d'enveloppe (402) perméable aux liquides et la couche barrière (413) imperméable aux liquides ainsi qu'une couche de transfert de liquides (403), disposée entre la couche d'enveloppe (402) perméable aux liquides et un élément absorbant (406). La couche d'enveloppe (402) est liée à la couche de transfert de liquides (403) par des liens discrets (405) obtenus par procédé thermique et arrangés selon un motif. La couche de transfert de liquides (403) comprend, d'une part, de 40 à 65 % en poids de fibres formant un réseau qui demeurent sensiblement intactes après le liage de la couche d'enveloppe (402) à la couche de transfert de liquides (403) et qui ont une grosseur comprise entre 6 et 12 deniers et, d'autre part, entre 35 et 60 % en poids de fibres qui comprennent un composant thermoplastique soudable et ont une grosseur d'au moins 3 deniers.

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