Smooth textured wet-laid absorbent structure

Details Smooth textured wet-laid absorbent structure Smooth textured wet-laid absorbent structure

1998-02-18

1999-12-07

Fortuna, Jose

Paper making and fiber liberation

Processes and products

162146, 1621571, 1621576, 1621641, 1621681, 1621683, 162177, D21H 2304

Patent

active

05997690&

ABSTRACT:
A smooth-textured non-woven, superabsorbent particle-impregnated fibrous structure is disclosed. The web exhibits an improved smooth surface texture. The structure contains from 50% to 80% of ion sensitive SAP having a particle size of less than 200 microns, wood pulp fibers and cellulose acetate fibers, each in preferred specified amounts indicated herein. The superabsorbent, ion sensitive polymer particle-impregnated fibrous structure is made from an aqueous, wet-lay process in which an aqueous furnish comprises solids of fibers and superabsorbent, ion sensitive polymer and dissolved salt, such as preferrably, Na.sub.2 SO.sub.4. The furnish is passed over a moving foraminous support, such as a Fourdrinier wire, and a wet web structure is formed, followed by drying.

REFERENCES:
patent: 3826711 (1974-07-01), Schoggen et al.
patent: 4914066 (1990-04-01), Woodrum
patent: 5516585 (1996-05-01), Young, Sr.
patent: 5597873 (1997-01-01), Chambers
patent: 5607550 (1997-03-01), Akers
patent: 5651862 (1997-07-01), Anderson
patent: 5795439 (1998-08-01), Euripides et al.

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