Flexible liquid absorbing structure

Details Flexible liquid absorbing structure Flexible liquid absorbing structure

A - Human Necessities

61

L

A61L 15/00 (2006.01)

Patent

CA 2525340

A thin, flexible absorbent structure comprising a flexible substrate and an aqueous liquid absorbing material disposed on said substrate, wherein said aqueous liquid absorbing material comprises a homogeneous mixture of a hot melt adhesive and an aqueous liquid absorbing polymer, wherein the aqueous liquid absorbing polymer is present in the mixture in an amount greater than 1% by weight of the mixture and the aqueous liquid absorbing structure has an absorbency greater than about 5 g/g, and a Gurley Stiffness less than about 400 mg and a caliper less than about 4 mm.

L'invention concerne une structure absorbante mince et flexible comprenant un substrat flexible et un matériau absorbant un liquide aqueux, disposé sur ledit substrat. Le matériau absorbant comprend un mélange homogène constitué par un adhésif thermofusible et un polymère absorbant un liquide aqueux, ledit polymère étant présent dans le mélange dans une quantité supérieure à 1 % en poids du mélange. La structure absorbante selon l'invention présente un pouvoir absorbant supérieur à environ 5g/g, une rigidité Gurley inférieure à environ 400 mg, et une épaisseur inférieure à environ 4 mm.

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