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Physico-chemical and Dyeing Properties of Disperse Dyes Containing Phthalimide Residues

The relationship between the constitution and the physico- chemical and dyeing properties of disperse dyes containing phthalimide residues has been studied. The influence of the -NH or -NCH3 group in the phthalimide residues on the thermal and spectral properties of dyes has been investigated. Their influence on the dyeing process and on the colour and fastness properties of dyed polyester have also been studied

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