NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT
Journal of the Faculties of Science and Agriculture, Delta State University, Abraka, Nigeria
ISSN: 1119-9008
DOI: 10.5987/UJ-NJSE
Email: njse@universityjournals.org
SYNTHESIS AND FASTNESS PROPERTIES OF DISAZO DISPERSE DYES DERIVED FROM 4-AMINO-3-NITROTOLUENE AND 1,4-DIAMINOBENZENE
DOI: 10.5987/UJ-NJSE.16.028.1 | Article Number: 5ED1675 | Vol.12 (1) - May 2013
Author: Otutu J. O.
Keywords: Synthesis, fastness, polyester, thermofixation
The synthesis and properties of a series of disazo disperse dyes are described. The use of different coupling components does not result in significant shift of the absorption maxima of the dyes which are mainly, a wide range of brown colours. All the dyes synthesized and applied by the ther- mosol process on 100 % polyester fibres, afforded very good light fastness, excellent washing, crocking and perspiration fastness. The dye structures were characterized by elemental analysis and spectral methods.
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