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Fastness properties of monoazo disperse dyes on polyester fabrics at 2% (o.w.f).
| DyeNo | λmax(DMF) | Wash fastness | Perspiration fastness | Light fastness | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alkaline | Acidic | ||||||||||
| Alt | SC | SW | Alt | SC | SW | Alt | SC | SW | |||
| 7a | 490 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 |
| 7b | 491 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 |
| 7c | 497 | 5 | 4–5 | 4–5 | 5 | 4–5 | 5 | 5 | 4–5 | 5 | 2 |
| 7d | 500 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2–3 |
| 7e | 662 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 |
Alt = alteration; SC = staining on cotton; SW = staining on wool.
