D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/10, 92/65
D21F 11/04 (2006.01) D21F 11/00 (2006.01)
Patent
CA 1052158
PROCESS FOR FORMING A LAYERED PAPER WEB HAVING IMPROVED BULK, FLEXIBILITY, TACTILE IMPRESSION AND ABSORBENCY AND PAPER THEREOF Abstract of the Disclosure A wet-laid composite, soft, bulky and absorbent paper structure is prepared from two or more layers of furnish which are preferably comprised of different fiber types. The layers may be formed from the deposition of separate streams of dilute fiber slurries, the fibers typically being relative- ly long softwood and relatively short hardwood fibers as used in tissue papermaking. The layers are combined to form a unitary web, and the layered, unitary web is de- watered. The moist, layered web is thereafter transferred to an open mesh drying/imprinting fabric. The application of a fluid force to the web creates patterned discrete areas of fibers numbering from about 100 to about 3600 per square inch of projected surface area on the side of the web which contacts the drying/imprinting fabric. These layered structures exhibit significantly improved bulk, flexibility, compressibility, drape and absorptive capacity when compared to prior art paper sheets formed by similar processing tech- niques from a single slurry comprised of a homogeneous mixture of similar fibers. In addition, the structures which are stratified with respect to fiber type typically yield finished paper sheets having significantly improved tactile impression and softness.
251213
Morgan George (jr.)
Rich Thomas F.
Na
The Procter And Gamble Company
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