B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/30 (2006.01) A61F 13/15 (2006.01) A61F 13/539 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2350950
A highly absorbent composite sheet wherein a non-woven substrate having a bulky structure and solid SAP with a part contained inside said bulky structure and the rest exposed on the surface of said non-woven substrate are provided, a thermally fusible component being a hot-melt adhesive, the hot-melt adhesive forming a fibrous network and covering said solid SAP and fine cellulose fibers in contact with the solid SAP whereby a single or double fibrous network is provided with the solid SAP held in position. A method for manufacturing same, and an absorbent article using such highly absorbent composite sheet are also provided.
L'invention concerne une feuille composite superabsorbante comprenant un substrat en nontissé à structure bouffante, un polymère superabsorbant solide dont une partie est maintenue à l'intérieur du substrat en nontissé et dont le reste est exposé sur la surface du substrat, et un composant thermofusible. Ladite feuille est caractérisée en ce que le composant thermofusible est un adhésif thermofusible formant des réseaux fibreux simples ou doubles, qui recouvrent le polymère superabsorbant solide et les fibres du substrat au contact dudit polymère, ce qui permet de maintenir le polymère superabsorbant solide dans une certaine position. L'invention concerne également un procédé de préparation de ladite feuille composite superabsorbante.
Matsumoto Ryoichi
Suzuki Migaku
Dsg International Ltd.
Japan Absorbent Technology Institute
Seaby & Associates
The Proctor & Gamble Company
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