Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 459
tion of fast cottoncolors. Certain amino derivatives of Indigo give brown vat dyes; Ciba Brown,for instance, is a hrominated dianiino-indigo, and gives a reddish browncolor fast to light and washing, but not fast to bleaching. Naphthaleneindigos have also been prepared from aljiha and… … Fig. 225.—Ilydrosulphite Vat for riece-Goocls. Indigo Yellow 3G is of special interest in that it may b(> dyed in com-bination with Indigo to give uniform green shades. Usually when theindigoid dyes arc applied in mixtures they give uneven colors, owing tothe difference in the affinities of the…
Dyes and dyeing · Textile fabrics
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