Abstract
The eco-friendly dyeing of silk fabric with sodium copper chlorophyll was studied. Silk fabric was firstly dyed using a non-mordanting method, and two factors (dyeing temperature and pH) were optimized. Then silk fabric was dyed using different mordanting methods. The results showed that pre-mordanting was the best method which gave the highest color depth. In the pre-mordanting dyeing process, the effects of the category and dosage of mordants, and the temperature, pH and time of mordanting on the color depth of silk were discussed. The satisfactory color depth of silk fabric was found to be obtained at a lower mordant dosage and dyeing temperature, and a weakly acidic medium when ferrous sulfate was used as a mordant.
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