Abstract
2-Amino-4(4′-nitro phenyl)-1,3-thiazole was used to couple with diazotized 2-amino-5(4′-nitro phenyl)- 1,3,4-thiadiazole to gave mono azo disperse dye with good yield. This mono azo disperse dye was further diazotized and coupled with different tertiary amines which were couplers that yielded bis azo disperse dyes (AJ1-AJ15). The synthesized dyes were analyzed via elemental analysis, IR, 1H NMR spectral analysis. All the synthesized dyes were applied on polyester fiber by using HTHP method and their dyeing performance and their fastness characteristics were studied.
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