Personal care product with fluid partitioning

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61F 13/53 (2006.01) A61F 13/537 (2006.01)

Patent

CA 2386613

There is provided an intake/retention/transfer material for personal care products like feminine hygiene products, which is a heterogeneous composite containing between 5 and 25 weight percent of a superabsorbent or gelling material and having a density less than 0.17 g/cc. A more particular embodiment contains less than 20 weight percent and a still more particular embodiment contains 15 weight percent or less of a superabsorbent or gelling material. Also provided are absorbent articles which contain the class of intake/transfer materials mentioned above along with additional absorbent layers such that the absorption of a menses simulant provides fluid partitioning of less than 72% of fluid in the intake/transfer/retention composite. Additionally said composite should have retention capacity values greater than 2.7 g/g.

La présente invention concerne une matière d'absorption/rétention/transfert destinée à des produits d'hygiène personnelle tels que les produits d'hygiène féminine, laquelle matière est constituée d'un composite hétérogène contenant entre 5 et 25 % en poids d'une matière super absorbante ou gélifiante et possédant une densité inférieure à 0,17g/cc. Dans un mode de réalisation plus particulier, le composite précité contient moins de 20 % en poids et dans un mode de réalisation encore plus particulier, moins de 15 % en poids, d'une matière super absorbante ou gélifiante. L'invention se rapporte également à des articles absorbants contenant la catégorie de matières d'absorption/transfert précitées ainsi que des couches absorbantes supplémentaires telles que l'absorption d'un liquide semblable aux règles assure une séparation inférieure à 72 % du liquide dans le composite d'absorption/transfert/rétention. Le composite précité devrait en outre posséder des valeurs de capacité de rétention supérieures à 2,7 g/g.

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