Dry strength paper and process therefor

Details Dry strength paper and process therefor Dry strength paper and process therefor

D - Textiles, Paper

21

H

9/59

D21H 17/43 (2006.01)

Patent

CA 1044858

DRY STRENGTH PAPER AND PROCESS THEREFOR ABSTRACT OF THE DISCLOSURE Paper of dry strength is produced by forming an aqueous solution of papermaking cellulose fibers and adding thereto a 90:10 to 98:2 copolymer of acrylamide and maleic acid followed by addition of alum. The use of the acryla- mide-maleic acid copolymer allows production of paper at a much broader pH range towards the alkaline side which eli- minates the need for close control of pH and which sub- stantially reduces corrosion of the papermaking equipment. -1-

213060

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