Research Article
Azadirachta indica Mediated Bioactive Lyocell Yarn: Chemical and Colour Characterization
Table 3
Color coordinates of lyocell yarn dyed with water and methanol extracts of Azadirachta indica leaves.
| Dye | Process | Mordant | Color coordinates | | | |
| Methanol extract | Control |
— | 57.43 | −11.69 | 32.52 | Premordanting | TKP | 75.315 | −0.556 | 19.145 | Harad | 68.715 | −1.761 | 22.951 | FeSO4 | 68.005 | 1.295 | 17.089 |
Al2(SO4)3 | 78.858 | −2.803 | 20.986 | Postmordanting | TKP | 69.385 | −2.994 | 20.235 | Harad | 75.333 | 0.688 | 20.088 | FeSO4 | 63.070 | 0.422 | 11.019 | Al2(SO4)3 | 78.068 | −4.826 | 17.641 |
| Water extract | Control |
— | 72.261 | −1.124 | 14.724 | Premordanting | TKP | 70.639 | 2.471 | 12.500 | Harad | 71.408 | 0.586 | 19.211 | FeSO4 | 65.727 | −1.677 | 16.361 |
Al2(SO4)3 | 79.441 | −1.711 | 17.532 | Postmordanting | TKP | 75.756 | −2.627 | 19.338 | Harad | 73.648 | 0.048 | 20.04 | FeSO4 | 63.408 | 1.943 | 13.946 | Al2(SO4)3 | 79.441 | −1.711 | 17.532 |
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Note: Concentration of dye 10% owf.
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