Blade-coated paper having a paper lamina produced from a furnish

Details Blade-coated paper having a paper lamina produced from a furnish Blade-coated paper having a paper lamina produced from a furnish

1995-06-07

1997-01-28

Hastings, Karen M.

Paper making and fiber liberation

Processes and products

With coating after drying

162147, 162 8, D21C 502

Patent

active

055974473

ABSTRACT:
A method is disclosed for producing, in a continuous throughput, high quality paper from recycled waste paper utilizing high consistency, low shear pulping, followed by a series of cleaning steps to produce a wet, friable pulp which is digested and optionally bleached. The resulting pulp can be run on a paper machine alone or blended with virgin pulp to produce a paper containing at least 5 by weight recycled paper with less than 20 ppm per unit area solid non-fibrous contaminants larger than 0.3 mm.sup.2, and which may be blade coated on a high speed paper machine. A blade coated paper produced by the method is disclosed.

REFERENCES:
patent: 4737238 (1988-04-01), de Ruvo
patent: 5147503 (1992-09-01), Nguyen
Kanazawa "Recovery of Unbleached Kraft Pulp from AOCC . . . " Pulp Nov. 1988.
Aikawa et al "Processing OCC, Deinking, . . . Screening" World Pulp and Paper Technology 1990 pp. 102-105.
"The Dictionary of Paper" American Pulp and Paper Association NY, NY 1965 pp. 119-125.

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