Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1998-06-03
2000-11-21
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
162109, 162112, 162113, 162123, 162125, 162127, 162129, 162130, 162158, 1621641, 1621646, 1621681, 1621682, 1621683, 162175, 162183, D21H 2120
Patent
active
06149769&
ABSTRACT:
Disclosed is a soft, low density paper product made using papermaking fibers and a cationic temporary wet strength resin. Such paper products have a density less than about 0.6 grams per cubic centimeter, a basis weight is between about 10 and about 65 grams per square meter, a dry strength less than about 500 grams per inch (197 grams per centimeter), a ratio of an initial wet strength to the dry strength greater than about 0.15:1, and a ratio of a thirty minute wet strength to the initial wet strength less than about 0.4. Methods for producing such paper products are also disclosed. The paper products may be produced either as homogeneous structures or as multi-layered structures and may be either creped or uncreped.
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Smook, G. A., B: "Handbook for Pulp & Paper Technologist", Ed. M.J. Kocurek, (1989).
Mohammadi Khosrow Parviz
Rasch David Mark
Seward Larry Odell
Chin Peter
Hasse Donald E.
Huston Larry L.
Milbrada Edward J.
The Procter & Gamble & Company
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