Absorbent article with barrier component

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61F 13/475 (2006.01) A61F 13/514 (2006.01) B32B 5/26 (2006.01)

Patent

CA 2733026

An absorbent article that comprises a barrier component, which comprises a nonwoven barrier sheet, comprising at least a spunbond nonwoven web with spunbond fibers and at least a meltblown nonwoven web with meltblown fibers (or at least two nonwoven laminate layers comprising said meltbown and spunbond webs), and whereby said nonwoven barrier sheet has pores of a largest pore size of less than 50 microns, and whereby said spunbond fibers have a number average diameter of 6 to 18 microns, 11 microns or 12 to 14 microns or 15 microns, and whereby the total weight percentage (by weight of the nonwoven barrier sheet) of the meltblown web(s) is from 5% to 30%, 5% to 20%, and whereby said meltblown fibers have a number average fiber diameter from 1 µm to 5 µm, or from 1 µm to 3 µm.

La présente invention concerne un article absorbant pourvu d'un composant de protection, lequel comprend une feuille de protection non tissée, composée d'au moins un voile non tissé filé-lié pourvu de fibres filées-liées et d'au moins un voile non tissé obtenu par fusion-soufflage pourvu de fibres soufflées à l'état fondu (ou d'au moins deux couches stratifiées non tissées comprenant lesdits voiles obtenues par fusion-soufflage et filé-lié). Ladite feuille de protection non tissée présente des pores de taille supérieure de moins de 50 microns, et lesdites fibres filées-liées présentent un diamètre moyen au nombre de 6 à 18 microns, 11 microns ou 12 à 14 microns ou 15 microns, le pourcentage en poids total (par rapport au poids de la feuille de protection non tissée) du ou des voiles obtenus par fusion-soufflage étant de 5 % à 30 %, 5 % à 20 %. Lesdites fibres soufflées à l'état fondu présentent un diamètre de fibre moyen au nombre de 1 µm à 5 µm, ou de 1 µm à 3 µm.

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