Method of dyeing paper

Details Method of dyeing paper Method of dyeing paper

D - Textiles, Paper

21

H

D21H 21/28 (2006.01) D21H 17/03 (2006.01) D21H 17/34 (2006.01) D21H 17/45 (2006.01)

Patent

CA 2143747

a process for dyeing paper in connection with paper manufacture by adding water-soluble anionic dyes and cationic polymers which contain vinylamine units to the paper pulp as fixing agents and removing water from the paper pulp with the formation of dyed paper is described.

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