Abstract
A new series of monoazo reactive dyes (6a-6l) based on 1,3,5-trichloro-s-triazine and 4-(ethylsulfurate sulfonyl)aniline reactive groups were synthesized by reacting diazotised 3-(4-(4-amino-3-bromo benzyl)-2-phenyl quinazoline-4(3H)-one with various 4-β-sulphatoethylsulphonylphenyl-1-amino cyanurated coupling components. The chemical structure of synthesised dyes were confirmed by nitrogen elemental analysis, Infrared and PMR spectra. These dyes have been applied out on silk, wool and cotton fibres. They were exhibit variety of colour shades with very good depth and informality on the fibres. The percentage dye bath exhaustion and fixation on the said fibre were found to be very good. The dyed fibres indicated good to excellent wash fastness, fair to very good light fastness and good to excellent rubbing fastness properties. Colour difference data and K/S value were also carried out.
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