Abstract
Polyamide (nylon 6) fabrics have been treated with tetrafluoromethane low temperature plasma and then dyed with commercially available acid and disperse dyes. The morphology of the treated surfaces has been examined by scanning electron microscopy and chemical surface changes characterised by X‐ray photoelectron spectroscopy. Dyeing results show that the plasma treatment slows down the rate of exhaustion but does not reduce the amount of absorption of acid dyes. The dyeing properties of disperse dyes on plasma‐treated nylon fabrics changed markedly when compared with untreated fabric. A slight improvement in colour fastness is seen with the treated sample. The dyeing process has only a minor effect on the water‐resistant surface, indicating that a stable surface has been achieved by the treatment. For Part 2 of this study, see page 31 of this issue of Coloration Technology.
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