Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 59
id veryreadily, and the treatment of this fiber with tannin solutions is utiUzed inthe weighting of silk for black dyeing, the tannin being fixed in this case 40 CHEMICAL STUDY OF THE FIBERS with an iron salt. Wool also combines with tannic acid, and the tanninmay be fixed with tartar emetic or tin… … Fig. 36.—Skein Mercerizing Machine. (Swiss Type.) 2. Action of Alkalies.—Alkalies react with the animal and vegetablefibers in just the opposite manner to acids. Caustic soda, even in verydilute solutions and at not very high temperatures, will completely dis-integrate and dissolve the wool fiber;…
Dyes and dyeing · Textile fabrics
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