Ply-separable paper

Details Ply-separable paper Ply-separable paper

D - Textiles, Paper

21

F

92/10, 92/65

D21F 11/04 (2006.01) A47K 10/16 (2006.01) D21F 11/00 (2006.01) D21H 27/40 (2006.01)

Patent

CA 1107109

PLY-SEPARABLE PAPER Abstract of the Disclosure An improved process to produce a novel tissue which becomes ply-separable during the papermaking process. In a first embodiment of the invention a two-layered stratified web is formed, having a first layer comprised of a relatively low consistency slurry of long papermaking fibers and a second layer comprised of a high consistency slurry of relatively short papermaking fibers. In a second embodiment of the invention, a stratified web having three layers is formed, comprised of well-bonded layers separated by an interior barrier layer. These improved tissue products need not be creped from a creping roll with a doctor blade in order to exhibit ply-separability, and they may be creped in a single step to form a finished product which is creped all the way through.

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