Absorbent article having blended multi-layer absorbent structure with improved integrity
First Claim
1. An absorbent article having a longitudinal centerline extending in a longitudinal direction and a transverse centerline extending in a lateral direction, said absorbent article comprising:
- a liquid pervious topsheet;
a liquid impervious backsheet joined to said topsheet;
an absorbent core positioned between said topsheet and said backsheet, said absorbent core having a body-facing face and a garment-facing face and comprising a mixture of absorbent gelling material and fibers, said fibers comprising a blend of cellulose fibers and liquid insensitive crimped synthetic fibers;
an acquisition layer positioned between said topsheet and said absorbent core, said acquisition layer having a body-facing face and a garment-facing face and having crimped synthetic fibers distributed therein; and
an intermediate layer positioned between said acquisition layer and said absorbent core, said intermediate layer having two sides, wherein one side of said intermediate layer is adhesively bonded to the garment-facing face of said acquisition layer and the other side of said intermediate layer is adhesively bonded to the body-facing face of said absorbent core, said adhesive bonding between said intermediate layer and said acquisition layer and said absorbent core being formed by an adhesive having a wet peel strength of greater than or equal to 10 g/in.;
wherein the body-facing face of said acquisition layer is adhesively bonded to said topsheet and said garment-facing face of said absorbent core is adhesively bonded to said backsheet.
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Abstract
An absorbent article, such as a diaper, sanitary napkin, adult incontinence device which has absorbent components comprised of blends of different types of fibers is provided. The absorbent components are arranged in structures that provide improved core integrity and liquid processing. The absorbent article preferably comprises a liquid pervious topsheet, a liquid impervious backsheet joined to the topsheet, an absorbent core positioned between the topsheet and the backsheet, and an acquisition layer overlying the absorbent core. The absorbent core comprises a blend of cellulosic fibers, absorbent gelling material, and fibers such as crimped synthetic fibers that form liquid stable bonds with adjacent layers. The acquisition layer also comprises at least some fibers that form liquid stable bonds with adjacent layers. The fibers that form liquid stable bonds in the absorbent core and the acquisition layer are bonded to liquid stable components. The liquid stable components can comprise the topsheet, the backsheet, and an optional intermediate liquid stable layer positioned between the acquisition layer and the absorbent core.
340 Citations
3 Claims
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1. An absorbent article having a longitudinal centerline extending in a longitudinal direction and a transverse centerline extending in a lateral direction, said absorbent article comprising:
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a liquid pervious topsheet; a liquid impervious backsheet joined to said topsheet; an absorbent core positioned between said topsheet and said backsheet, said absorbent core having a body-facing face and a garment-facing face and comprising a mixture of absorbent gelling material and fibers, said fibers comprising a blend of cellulose fibers and liquid insensitive crimped synthetic fibers; an acquisition layer positioned between said topsheet and said absorbent core, said acquisition layer having a body-facing face and a garment-facing face and having crimped synthetic fibers distributed therein; and an intermediate layer positioned between said acquisition layer and said absorbent core, said intermediate layer having two sides, wherein one side of said intermediate layer is adhesively bonded to the garment-facing face of said acquisition layer and the other side of said intermediate layer is adhesively bonded to the body-facing face of said absorbent core, said adhesive bonding between said intermediate layer and said acquisition layer and said absorbent core being formed by an adhesive having a wet peel strength of greater than or equal to 10 g/in.; wherein the body-facing face of said acquisition layer is adhesively bonded to said topsheet and said garment-facing face of said absorbent core is adhesively bonded to said backsheet. - View Dependent Claims (2, 3)
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Specification
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- Resources
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Current AssigneeThe Procter & Gamble Company
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Original AssigneeThe Procter & Gamble Company
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InventorsAhr, Nicholas A., Dragoo, Jerry L., Noel, John R., Bogdanski, Michael S.
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Primary Examiner(s)Green, Randall L.
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Assistant Examiner(s)ZUTTARELLI, ANTHONY
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Application NumberUS08/337,573Time in Patent Office348 DaysField of Search604/358, 604/365-370, 604/372, 604/374-375, 604/378, 604/382, 604/384, 604/385.1US Class Current604/378CPC Class CodesA61F 13/15203 Properties of the article, ...A61F 13/472 specially adapted for femal...A61F 13/47218 with a raised crotch region...A61F 13/47227 for interlabial useA61F 13/47263 with activating means, e.g....A61F 13/47272 with a longitudinal raised ...A61F 13/49 Absorbent articles speciall...A61F 13/49009 with elastic meansA61F 13/491 specially adapted for gende...A61F 13/494 characterised by edge leaka...A61F 13/49413 the edge leakage prevention...A61F 13/4942 the barrier not being integ...A61F 13/51 characterised by the outer ...A61F 13/511 Topsheet, i.e. the permeabl...A61F 13/514 Backsheet, i.e. the imperme...A61F 13/51478 being a laminate, e.g. mult...A61F 13/5148 having an impervious inner ...A61F 13/515 characterised by the interc...A61F 13/531 having a homogeneous compos...A61F 13/533 having discontinuous areas ...View All
