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Microwave Assists the Synthesis of Pyridone azo Dyes and their Application in polyester printing

Author Affiliations

  • 1Chemistry of Dyeing, Printing and Auxiliaries Department, Textile Division, National Research Center, Cairo, EGYPT

Res.J.chem.sci., Volume 2, Issue (11), Pages 14-19, November,18 (2012)


In this study microwave assists synthesis of new class arylazopyridone dyes, where these dyes synthesized from corresponding dianalides, which coupled with some diazotized aromatic amines to give azodisperse dye which react with cyanoacetamide to form crossponding derivatives of pyridone azo dyes . the structure of these dyes were confirmed by IR, H-NMR, Mass spectra and element analysis. The fastness properties of silk screen printed polyester using these synthesized dyes have been investigated. The prints possess very good fastness properties of washing, rubbing, perspiration and light fastness.


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