Process for the dyeing and printing of cellulose-containing text

Details Process for the dyeing and printing of cellulose-containing text Process for the dyeing and printing of cellulose-containing text

1974-09-12

1976-06-08

Schoffer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 49, 8542, 8168R, 8 71, D06P 102

Patent

active

039618862

ABSTRACT:
Continuous dyeing and printing of cellulose fibre material by impregnating the material with a 2-hydroxy-naphthalene-3-carboxylic acid phenyl amide, alkali and nitrite, by crosspadding or over-printing with a dispersion or emulsion of a 4-amino-diphenyl amine as well as acid or acidic salt, and bringing about the development of the dyestuff by drying the fiber material and/or exposing it to sodium carbonate.

REFERENCES:
patent: 3288552 (1966-11-01), Streck
patent: 3425785 (1969-02-01), Hertel
patent: 3516780 (1970-06-01), Kirst et al.
patent: 3642424 (1972-02-01), Lowenfeld et al.
patent: 3679350 (1972-07-01), Lowenfeld et al.
patent: 3713767 (1973-01-01), Lowenfeld et al.

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