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
PREPARATION OF AZO DISPERSE DYES FROM 1,4-DIAMINOBENZENE AND 4- AMINO-3-NITROTOLUENE AND THEIR APPLICATION ON POLYESTER FIBRE USING THE THERMOSOL AND AQUEOUS DYEING METHODS
DOI: 10.5987/UJ-NJSE.16.032.2 | Article Number: F1543226 | Vol.12 (2) - September 2013
Author: Otutu J.O
Keywords: disperse dyes, Vapour-phase dyeing, Aqueous (carrier) dyeing, Dyeing properties, polyester fibre.
The preparation and application of azo disperse dyes from 1, 4-diaminobenzene and 4-amino-3- nitrotoluene are described. The azo dye derivatives of these two compounds exhibited very high light fastness on polyester fabric when applied using the Thermosol process in comparison with the aqueous (carrier) dyeing method which gave moderate light fastness. The azo dyes were characterized by elemental, IR and UV analyses. The prepared azo dyes may find application in the dyeing and printing of upholstery materials that may be exposed to long periods of sunlight during usage.
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