Substituted 5-Antipyrinylazo-4-phenyl-2-aminothiazoles as Disperse Dyes for Dyeing Polyester Fabrics |
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| Authors: | Mohamed A Metwally Amira Metwally Ebrahim Abdel-Galil Fathy A Amer |
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| Institution: | (1) Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt |
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| Abstract: | Summary. A series of some new substituted 5-antipyrinylazo-4-phenyl-2-aminothiazole disperse dyes was synthesized by diazocoupling
of 4-antipyrinyldiazonium chloride with aminothiazole derivatives. The synthesized dyes were characterized by UV-Vis absorption,
IR, 1H NMR, and MS spectroscopy. The dyes gave orange to reddish-violet shades with very good depth and levelness when applied
to polyester fabrics as disperse dyes and their fastness properties were evaluated on polyester fibers. Also the position
of color in CIELAB coordinates (L*, a*, b*, H*, and C*) was assessed. |
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| Keywords: | , Antipyrine, Thiazole, Disperse dyes, Polyester fabrics, Fastness properties, |
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