Composite sheet and absorbent article using the composite sheet

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 5/26 (2006.01) A61F 13/496 (2006.01) D04H 1/42 (2006.01)

Patent

CA 2684514

It is intended to provide a composite sheet which is excellent in comfort to the skin face when used in an absorbent article such as a disposable diaper. A composite sheet (1) fabricated by bonding a stretchable nonwoven fabric (2) to a non-stretchable sheet (3) using an adhesive (4). The stretchable nonwoven fabric (2) is bonded in the stretched state to the non-stretchable sheet. The composite sheet (1) has a contact area ratio of 65% or more and an air permeation resistance of 0.20 KPa s/m or less. By satisfying these numerical requirements, the composite sheet shows excellent sweat absorption properties and air permeability when used as a constituting member of an absorbent article such as a disposable diaper.

L'invention concerne une feuille composite qui présente un excellent confort au contact de la peau lorsqu'elle est utilisée dans un article absorbant telle qu'une couche jetable. Une feuille composite (1) est fabriquée par liaison d'un tissu non tissé étirable (2) à une feuille non étirable (3) à l'aide d'un adhésif (4). Le tissu non tissé étirable (2) est lié dans l'état étiré à la feuille non étirable. La feuille composite (1) possède un rapport de surface de contact de 65% ou plus et une résistance à la perméation à l'air de 0,20 KPa s/m ou moins. En satisfaisant ces exigences numériques, la feuille composite présente d'excellentes propriétés d'absorption de la transpiration et de perméabilité à l'air lorsqu'elle est utilisée en tant qu'élément constituant d'un article absorbant telle qu'une couche jetable.

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