Table 2.
Indicates the effect of concentration of disperse dyes (1–4) with K/S and reflectance values in Ultrasonic dyeing at various shades (1%, 2%, and 3%) PH = 4 at 80 °C for 1 h without dispersing agent.
| Dye no. | Shade (%) |
Fabric | Reflectance (%) |
K/S |
|---|---|---|---|---|
| DYE 1 | 1 | N | 3.04 | 15.46 |
| P | 9.44 | 7.12 | ||
| 2 | N | 2.9 | 17.80 | |
| P | 6.16 | 9.44 | ||
| 3 | N | 2.66 | 24.08 | |
| p | 4.90 | 11.9 | ||
| DYE 2 | 1 | N | 4.43 | 10.30 |
| P | 6.65 | 9.93 | ||
| 2 | N | 3.89 | 16.95 | |
| P | 6.02 | 10.11 | ||
| 3 | N | 2.32 | 20.58 | |
| p | 4.15 | 11.07 | ||
| DYE 3 | 1 | N | 3.86 | 11.99 |
| P | 6.05 | 7.02 | ||
| 2 | N | 3.18 | 14.72 | |
| P | 5.56 | 7.86 | ||
| 3 | N | 2.69 | 17.62 | |
| p | 4.99 | 10 | ||
| DYE 4 | 1 | N | 5.69 | 7.82 |
| P | 6.98 | 6.19 | ||
| 2 | N | 4.35 | 10.68 | |
| P | 5.87 | 8.01 | ||
| 3 | N | 3.96 | 12.68 | |
| p | 5.01 | 9.02 |