Coloring of paper

Details Coloring of paper Coloring of paper

D - Textiles, Paper

21

H

8/4

D21H 21/28 (2006.01) D21H 17/55 (2006.01)

Patent

CA 1172004

O.Z. 0050/035031 Abstract of the Disclosure: A process for coloring paper with an acid dye and/or direct dye in an aqueous medium in the presence of a water-soluble reaction product of an alkylating agent, possessing an aromatic substituent, with a cationic polyelectrolyte. The process gives papers with high color strength and substantially avoids cylinder twosidedness of the coloration.

397457

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