Table 8 Effect of solvent type on color fastness properties of cotton fabrics dyed by flavonoids
Solvent used for flavonoid extraction | Rubbing fastness | Washing fastness | Perspiration fastness | Light fastness | Fixation % | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Dry | Wet | Alt. | St. | Acid | Alkaline | |||||
Alt. | St. | Alt | St. | |||||||
Water | 3–4 | 3 | 4–5 | 4 | 4–5 | 4 | 4 | 4–5 | 5–6 | 88.7 |
Ethanol | 3–4 | 3 | 3 | 3 |  | 3 | 3 | 3 | 4 | 75.7 |
Acetone | 3 | 3 | 3 | 3 | Â | 3 | 3 | 3 | 4 | 76.9 |