Journal of Textiles / 2013 / Article / Tab 8

Research Article

Zirconium Oxychloride as a Novel Mordant for Natural Dyeing of Wool Yarns

Table 8

Wash fastness and light fastness properties of zirconium-treated madder dyed wool yarns with filtered and unfiltered solution dye.

SampleWash fastnessLight fastness
Wash fastnessStaining on woolStaining on cottonAfter 2 daysAfter 7 days

ZrOCl2-formic acida4-54-54-554-5
ZrOCl2-hydrochloric acidb4-54-54-555
ZrOCl2-formic acidc55554-5
ZrOCl2-hydrochloric acidd55555
Untreated wool3-43-43-43-43-4

Wool treated with 9.74% ZrOCl2, 9.6% citric acid, and 6.3% formic acid at 95°C and dyed with unfiltered madder dye solution.
Wool treated with 8.96% ZrOCl2, 9.85% citric acid, and 9.01% hydrochloric acid at 92°C and dyed with unfiltered madder dye solution.
Wool treated with 9.74% ZrOCl2, 9.6% citric acid, and 6.3% formic acid at 95°C and dyed with filtered madder dye solution.
Wool treated with 8.96% ZrOCl2, 9.85% citric acid, and 9.01% hydrochloric acid at 92°C and dyed with filtered madder dye solution.