Azadirachta indica Mediated Bioactive Lyocell Yarn: Chemical and Colour Characterization

Table 4

Fastness ratings of lyocell yarn dyed with water and methanol extracts of Azadirachta indica leaves.

Dye	Process	Mordant	Fastness test
			LF	WF
Methanol extract	Control	—	5	3
	Premordanting	TKP	5	4
		Harad	5	4
		FeSO4	4	4
		Al2(SO4)3	5	3-4
	Post-mordanting	TKP	5	3-4
		Harad	5	3
		FeSO4	4	3-4
		Al2(SO4)3	5	3
Water extract	Control	—	5	4
	Premordanting	TKP	5	4
		Harad	5	4-5
		FeSO4	5	4
		Al2(SO4)3	5	4-5
	Postmordanting	TKP	5	4
		Harad	5	4-5
		FeSO4	4-5	4
		Al2(SO4)3	5	4-5

Note: Concentration of dye 10% owf, LF = light fastness, WF = wash fastness.