D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 11/00 (2006.01) D21H 15/02 (2006.01) D21H 27/02 (2006.01) D21H 21/20 (2006.01) D21H 21/22 (2006.01)
Patent
CA 2269047
The present invention relates to a soft, thick, single-ply, absorbent paper in the form of a bathroom tissue, facial tissue, or napkin wherein the cellulosic fibers incorporated in the furnish comprise: (a) at least 20 percent by weight of the fibers in the web have a coarseness exceeding 23mg/100m; (b) at least about 20 percent by weight of the fibers in the web have a coarseness of less than about 1.2mg/100m; and (c) the weight average coarseness to length ratio of the fibers in the web is less than about 8.5mg/100m/mm having a serpentine configuration and to a process for the manufacture of such absorbent paper having a basis weight of about 15 lbs. per 3000 square foot ream and having low sidedness, said tissue exhibiting: a specific total tensile strength of between 40 and 200 grams per 3 inches per pound per 3000 square foot ream, a cross direction specific wet tensile strength of between 2.75 and 20.0 grams per 3 inches per pound per 3000 square foot ream, the ratio of MD tensile to CD tensile of between 1.25 and 2.75, a specific geometric mean tensile stiffness of between 0.5 and 3.2 grams per inch per percent strain per pound per 3000 square foot ream, a friction deviation of less than 0.250, and a sidedness parameter of less than 0.30.
Harper Frank D.
Litvay John D.
Oriaran T. Philips
Fort James Corporation
Georgia-Pacific Consumer Products Lp
Goudreau Gage Dubuc
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