Abstract
The present study describes the synthesis of three new antibacterial azo disperse dyes from different diazotized aryl amines (aniline, 2-aminothiazole, and sulfathiazole), followed by their reactions with a novel nontoxic antibacterial cyanoacetyl microcrystalline cellulose derivative (a) as a coupling component. The structures of the dyes were confirmed and elucidated by FTIR and 1H-NMR spectroscopy. The new dyes were also tested for antibacterial activity and toxicity, and they were utilized for silk screen printing polyester and nylon 6 fabrics. The color strength and fastness properties of the dyes have been investigated, and they exhibited high resistance to washing, perspiration, and rubbing as well as fastness to sublimation and light. Moreover, the new dyes were tested for antibacterial activity on the printed polyester and nylon 6 fabrics.
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