Table 4.
Reflectance, color strength and exhaustion of disperse dyes 2a-f
| Dyed Fabric | PE Fabric (H2O + dispersing agent) | PE Fabric (5%DMF- 95%H2O) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| R (%) | K/S | K/Ssum | %E | R (%) | K/S | K/Ssum | %E | ||
| 2-H | 2a | 14.81 | 2.45 | 55.97 | 76.09 | 14.45 | 2.53 | 38.65 | 65.35 |
| 2-F | 2b | 24.26 | 1.18 | 32.86 | 61.63 | 24.26 | 1.18 | 32.51 | 60.39 |
| 2-Cl | 2c | 15.04 | 2.40 | 61.12 | 78.76 | 16.14 | 2.18 | 61.06 | 78.60 |
| 2-COOH | 2d | 3.17 | 14.79 | 178.04 | 89.42 | 2.21 | 21.64 | 169.13 | 88.17 |
| 2-CHO | 2e | 12.64 | 3.02 | 46.74 | 67.67 | 14.79 | 2.45 | 36.28 | 63.80 |
| 2-CH3 | 2f | 27.86 | 0.94 | 46.20 | 67.33 | 27.43 | 0.96 | 44.94 | 66.44 |