Use of thermomechanical pulp in a high bulk tissue...

A - Human Necessities – 47 – K

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92/65, 92/10.1

A47K 10/16 (2006.01) A61L 15/28 (2006.01) D21F 11/00 (2006.01) D21H 11/10 (2006.01) D21H 17/37 (2006.01) D21H 21/20 (2006.01) D21H 25/00 (2006.01)

Patent

CA 1037754

USE OF THERMOMECHANICAL PULP IN A HIGH BULK TISSUE PAPERMAKING PROCESS Henry David Sarge,III David Charles Kleinschmidt ABSTRACT OF THE DISCLOSURE Soft, absorbent, bulky paper web useful in tissue, towel, sanitary, and like products. The web is formed by supplying an aqueous furnish which includes thermomechanically defibrated pulp in admixture with chemically defibrated pulp to a foraminous surface such as a Fourdrinier wire, trans- ferring the moist web to an imprinting fabric, thermally drying the web without mechanical compression to a consis- tency of from about 30 percent to about 98 percent, imprinting the pattern of the fabric into the thermally predried web, and finally drying the web. The resulting web has relatively high tensile strength at relatively low density.

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