Bleed-fast cationic dyestuffs

Details Bleed-fast cationic dyestuffs Bleed-fast cationic dyestuffs

1981-11-09

1983-07-19

Smith, William F.

Paper making and fiber liberation

Processes and products

Non-fiber additive

D21H 380

Patent

active

043942121

ABSTRACT:
Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble dialdehyde, preferably glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the dialdehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.

REFERENCES:
patent: 4340386 (1982-07-01), Pociluyko

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