Naphthol dyes
Naphthol dyes: a type of azo compound formed on the fiber by first treating the fiber with aphenolic compound. The fiber is then immersed in a second solution containing a diazonuim salt that reacts with the phenilic compound to produce a colored azo compound. Since the phenolic compound is dissolved in caustic solution, these dyes are mainly used for cellulose fiber, although other fibers can be dyed by modifying the process. (Also see dyes, developed dyes.)
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Author of the text: Extract from Textile glossary © 2001, Celanese Acetate LLC
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