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Dyeing Properties of Reactive Cationic Dyes Containing a Vinyl-sulphonyl Group on Acrylic Fibre Blends

The preparation of reactive azo cationic dyes containing a vinylsulphonyl group derived from 2-aminobenzothiazole and its derivatives is described. Their dyeing properties on blends of acrylic-cellulosic, polyester-cellulosic fibre and on cotton and synthetic fibres are investigated. The relationship between absorption spectra and pH of dye solution is assessed

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