SYNTHESIS AND STUDY OF DYEING PROPERTIES OF HETEROCYCLIC DISPERSE DYES DERIVED FROM 2- AMINOBENZOTHIAZOLE
Journal: International Journal of Advanced Research (Vol.7, No. 5)Publication Date: 2019-05-01
Authors : Hadiza Jibril Abdullahi.;
Page : 1054-1059
Keywords : Azo disperse dyes diazotization coupling fastness properties.;
Abstract
Monoazo heterocyclic disperse dyes were synthesized from 2- Amino benzothiazole by diazotization of 2- Aminobenzothiazole and coupling with 1-Naphthylamine, 1- Naphthol and 2-Napthol.The synthesized dyes were applied to nylon, polyester and acrylic fabrics by Drapkira?s method. The fastness properties of the dyed fabrics to light and wash were evaluated, other physical characteristics of the dyes such as melting temperature, and light absorption in the visible spectrum has also been determined. It was observed that these dyes have high wash fastness for the fabrics while their fastness to light is poor and they all absorbed at the visible region of the spectrum.
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