Azadirachta indica Mediated Bioactive Lyocell Yarn: Chemical and Colour Characterization

Table 2

Colour strength (K/S values) of lyocell dyed with water and methanolic extracts of Azadirachta indica leaves using different mordants by exhaust technique of dyeing.

Process	Mordant (6% owf)	Colour strength (K/S) values
		Water extract			Methanolic extract
		5%	10%	15%	5%	10%	15%
Control	—	0.83	1.12	1.49	0.77	1.06	1.31
Premordanting	TKP	1.11	1.71	1.79	1.16	1.20	1.43
	Harad	1.01	1.13	1.21	1.22	1.36	1.37
	FeSO4	2.36	3.34	4.09	1.55	2.74	3.57
	Al2(SO4)3	0.64	0.88	1.78	0.95	1.94	3.66
Postmordanting	TKP	1.71	1.91	2.47	1.61	3.56	4.38
	Harad	1.37	1.56	1.67	1.97	2.08	2.27
	FeSO4	2.11	3.76	3.87	2.01	2.39	4.70
	Al2(SO4)3	0.87	1.76	3.12	1.14	1.90	2.21

Note: Concentration of dye 5, 10, and 15% owf.