Personal care products having reduced leakage

Details Personal care products having reduced leakage Personal care products having reduced leakage

A - Human Necessities

61

F

A61F 13/534 (2006.01) A61F 13/15 (2006.01)

Patent

CA 2386611

There is provided an absorbent system that not only takes in fluid, but then transfers that fluid further beneath the first composite. This is achieved in this invention through paired permeability, capillarity, and void volume of the first and second composites. The invention is an absorbent system composed of at least two absorbent composites that have complementary structural/surface energy characteristics. Such an absorbent system has a first absorbent Composite A which has a first permeability, a first capillarity, and a first void volume and at least one second absorbent Composite B which has a second capillarity and a second porosity multiplied by second thickness. The first absorbent Composite A is in liquid communication or contact with at least one second absorbent Composite B, such that the first absorbent Composite A, and the second absorbent Composite B have a fluid partitioning amount in Composite A, a third triple intake time (IT3) and a rewet value.

L'invention concerne un système absorbant qui, non seulement absorbe le fluide, mais transfère aussi ce fluide au-dessous du premier composite, grâce à une double perméabilité, capillarité et un volume vide du premier et du second composite. L'invention concerne un système absorbant composé d'au moins deux composites absorbants ayant des caractéristiques complémentaires d'énergie structurelle/de surface. Un tel système absorbant comporte un premier composite absorbant A doté d'une première perméabilité, d'une première capillarité, et d'un premier volume vide, et au moins un second composite absorbant B doté d'une seconde perméabilité, d'une seconde capillarité et d'une seconde porosité multipliée par une seconde épaisseur. Le premier composite absorbant A est en communication liquide ou en contact avec au moins un second composite absorbant B, de façon que le premier composite absorbant A et le second composite absorbant B aient une quantité de partition de fluide dans le composite A, un temps d'absorption triple (IT3) et une valeur de réhumidification.

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