Mixtures of amine modified lignin with sulfonated lignin for dis

Details Mixtures of amine modified lignin with sulfonated lignin for dis Mixtures of amine modified lignin with sulfonated lignin for dis

1998-05-26

1999-11-23

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Polymeric additive

8557, 8905, 8912, 8662, D06P 150

Patent

active

059892994

ABSTRACT:
Dyestuff compositions are provided which incorporate, as the grinding aid and/or dispersant therefor, amine modified lignin admixed with sulfonated lignin. The disclosed dyestuff compositions exhibit improved heat stability and, as a result of the higher activity of the dispersant mixture of amine modified lignin blended with sulfonated lignin, less dispersant is present in the exhaust liquor and waste treatment demands are thereby reduced. The improved package dyeing grinding aid/dispersant of the invention is prepared by mixing an amine modified lignin with a sulfonated lignin.

REFERENCES:
patent: 2709696 (1955-05-01), Weist et al.
patent: 2863780 (1958-12-01), Ball, Jr.
patent: 4732572 (1988-03-01), Dilling

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