Abstract
In this study the effects of various coupling components, used in conjunction with 5‐ and 6‐aminoindazoles as diazo components, on the spectral characteristics and dyeing properties of dyes for cellulose secondary acetate (acetate), nylon 6 and polyester have been investigated. Eight new disperse dyes suitable for acetate, nylon 6 and polyester were synthesised. In general, when disperse dyes are applied in the dyeing of nylon 6 the colour fastness to water is very low. However, we found that the new dyes synthesised showed good dyeing properties in all cases, on all three fibre types. Some of the dyes obtained using 5‐ and 6‐aminoindazoles gave bright dyeings of good fastness to light, washing, perspiration, dry cleaning and rubbing. Some bright dyeings on polyester were also obtained.
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