Exhaustion of a reactive dye for wool is studied in the presence of liposome-forming compounds (lecithin). Both analytical and commercial products are used as a source for the lecithin. Liposome formation is tested with different preparation procedures (ultrasound and mechanical agitation), and the stability is evaluated under different conditions of time, temperature, and the presence pf a tensoactive product. The effect of these different conditions and the variation of liposome concentration on exhaustion and levelness is presented. A practical method for dyeing wool with reactive dyes using liposome-forming compounds is proposed based on the results.
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