Research Article
Dyeing of Polyester and Polyamide Synthetic Fabrics with Natural Dyes Using Ecofriendly Technique
Table 3
Effect of exposure time on washing fastness of nylon dyed samples.
| | Exposure time (min) | Curcumin dye | Saffron dye | | Staining | Alteration | Staining | Alteration |
| | 0 (untreated) | 3 | 4 | 5 | 4 | | 5 | 3 | 4 | 5 | 4 | | 20 | 3/4 | 4/5 | 5 | 4/5 | | 50 | 3/4 | 4/5 | 5 | 4/5 | | 110 | 3/4 | 4/5 | 5 | 4/5 | | 120 | 3/4 | 4/5 | 5 | 4/5 |
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