Sulphonated diaminobenzanilides as substitutes for benzidine in the synthesis of direct dyes

  • Czajkowski W
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Abstract

Four isomeric diaminobenzanilidosulphonic acids were used as substitutes of benzidine in the synthesis of black direct azo dyes. These products, analogues of C.I. Direct Black 38, and also some model dyes, were applied to cotton fabric. Application, colouristic and fastness properties of the dyes were determined and the results discussed. © 1991.

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Authors

  • W. Czajkowski

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