Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1999-07-01
2000-08-15
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
162113, 162125, 162127, 162129, 162130, 162147, 162158, 1621641, 162179, D21H 2738
Patent
active
061030635
ABSTRACT:
A one-ply paper tissue product and a method of making a one-ply paper product combining high strength and softness along with low sidedness. The paper tissue product exhibits a sidedness parameter of less than 0.3 preferably, less than 0.225, a tensile modulus of no more than 32 grams/percent strain, a GM MMD of no more than about 0.225, and a cross directional strength of at least 200 grams per 3 inches. In stratification tissues, these properties are obtained by control of stratification, particularly, chemical stratification and stratification of furnish when appropriate. The tissue has a sidedness parameter value of less than 0.3, preferably, about 0.15 to about less than 0.225. In homogenous tissue, these properties are obtained by adding a strength enhancing agent to separate furnish sources prior to the funish sources being combined, and further, optionally adding the softener to the nascent web.
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Awofeso Anthony O.
Harper Frank D.
Kershaw Thomas N.
Luu Phuong Van
Neculescu Christian M.
Chin Peter
Fort James Corporation
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