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The aim of this study was verification of the effect on the dyeing process of using microencapsulated forms of textile dyes and a textile auxiliary agent. Anionic dyes and ammonium sulphate were microencapsulated into the liposomic systems. Prepared liposomes were used for the dyeing of polyamide knitted goods. The ability of these microencapsulated forms to improve the uniformity of polyamide knitted goods dyeing was confirmed. This finding could be applied to the dyeing of polyamide substrates on an industrial scale, especially as the described process of microencapsulation is straightforward and could be performed in an industrial environment.

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CI Acid Black 210 was microencapsulated into liposomic systems, and the effects of the microencapsulation on dyebath exhaustion, depth of shade, colour fastness properties and through‐dyeing of chrome‐tanned leather were studied. In comparison with the original dyestuff form, the microencapsulated dye showed a deeper shade and a greater depth of through‐dyeing. Exhaustion and colour fastness values were the same.

A calculation using the DFT method confirmed that the extraordinary stability of the triazenes formed by an azo coupling reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium with primary or secondary aromatic amines is caused by the fact that these substances are protonated at the heterocyclic nitrogen atom and not at the nitrogen atom of the triazene grouping -N=N-N(R)Ar. Stable triazenes are also formed by reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium with 2-