Cationic dyestuff printing inks

Details Cationic dyestuff printing inks Cationic dyestuff printing inks

1980-11-14

1982-07-20

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Acylating agent or cross-linker dye additive, composition,...

8608, 8919, 106 22, C09B 6700, D06P 360, D06P 502

Patent

active

043403867

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 aldehyde, preferably formaldehyde, glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the aldehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.

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