Abstract
Environmental and quality demands generate new approaches for finding better solutions in textile dyeing. A less polluting and more ecological procedure has been investigated, on this purpose. This study reveals the influence of ultrasounds (US) on wool dyeing. It presents comparatively the dyeing results for two frequently used anthraquinone dyes, one reactive (CI Reactive Blue 19) and the other acid (CI Acid Blue 62), applied on wool fibers. The comparison between the classic and the US dyeing procedures was performed in terms of: dye bath exhaustion, wash fastness and the color analysis. The dye aggregation was evidenced through the visible spectra, and the effect of US in this respect, was underlined, especially for the acid dye case. For the reactive dye, the higher bath exhaustion in US dyeing conditions was explained.
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