Absorbent product including absorbent layer treated with surface

Details Absorbent product including absorbent layer treated with surface Absorbent product including absorbent layer treated with surface

1996-01-24

1997-10-14

Weiss, John G.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604367, 604374, A61F 1315, A61F 1320

Patent

active

056766602

ABSTRACT:
An absorbent product comprising a liquid permeable surface sheet, a liquid nonpermeable back sheet and an absorbent layer located therebetween, wherein the absorbent layer comprises a water nonswellable synthetic fiber (a) and optionally cellulose fiber (b), and a water-absorbent resin (c), with the weight ratio of (a):(b) being (100 to 20):(0 to 80) and the percentage content of (c) based on the weight sum of (a), (b) and (c) is 25 to 75 weight %. The absorbent layer is treated with polyoxyalkylene-modified silicone surface active agent (d1) and/or a nonsilicone surface active agent having HLB of 8 to 14 (d2). Absorbent products of the present invention exhibit excellent shape retention in the moist state and good permeability and diffusibility for the absorbed liquid. Accordingly, they provide excellent surface dryness, reduced leakage and thus can be comfortably used for a long time and effectively applied to disposable diapers, sanitary napkins and incontinence pads.

REFERENCES:
patent: 3920020 (1975-11-01), Kraskin
patent: 4408996 (1983-10-01), Baldwin

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