Abstract

B. J. Modi, S. M. Bhalakia. R. G. Patel* and V. S. Patel

Eighteen monoazo disperse dyes were prepared by coupling diazotized 1 -(4 -aminophenyl)-2-phenyl-4-arylidene-5-imidazolone with N-substituted and N,N-disubstituted derivatives of anilines and their dyeing performance on nylon and polyester fibres have been examined. The dyes show moderate % exhaustion, fair to good light fastness and very good to excellent wash, rubbing, perspiration and sublimation fastness.

Disperse; Containin; Imidazoline; Polyester; N-disubstituted

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