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AssigneeGeorgia-Pacific Consumer Products LP
InventorsAnthony O. Awofeso, Kang C. Yeh, Ronald R. Reeb, Henry Chou, Bruce W. Janda
Estimating the term…
An absorbent sheet of cellulosic fiber typically includes at least about 15% by weight of high coarseness, generally tubular and lignin-rich cellulosic fiber based on the combined weight of cellulosic fiber in the sheet. Lignin-rich high coarseness, generally tubular fiber employed may be characterized by a coarseness of at least about 20 mg/100 m and an average length of 2 mm. The sheet is prepared by way of a process including applying a dewatered web to a heated rotating cylinder and creping the web from the heated cylinder with an undulatory creping blade. Preferred lignin-rich, high coarseness, generally tubular fibers include thermo and chemi mechanical pulps. A particularly preferred embodiment is a sheet including at least about 15% BCTMP.
A creped absorbent cellulosic sheet prepared by way of a process comprising applying a dewatered web to a heated rotating cylinder and creping said web from said heated rotating cylinder with an undulatory creping blade, wherein the fiber content of said creped cellulosic sheet is at least about 15% by weight lignin-rich, high coarseness, high yield, virgin fiber, wherein said lignin-rich, high coarseness, high yield, virgin fiber has an average fiber length of at least about 2 mm and a coarseness of at least about 20 mg/100 m.
A creped absorbent cellulosic sheet consisting predominantly of recycle cellulosic fiber prepared by way of a process comprising applying a dewatered web to a heated rotating cylinder and creping said web from said heated rotating cylinder with an undulatory creping blade, wherein the fiber content of said creped cellulosic sheet is at least about 15% by weight lignin-rich, high coarseness, high yield, virgin fiber, wherein said lignin-rich, high coarseness and high yield, virgin fiber has an average fiber length of at least about 2 mm and a coarseness of at least about 20 mg/100 m.
Dependencies are inferred from the claim text.