Journal of Textiles / 2013 / Article / Tab 4

Research Article

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

Table 4

Tensile properties of untreated and zirconium-oxychloride treated wool yarns (SD. was less than 5%).

SamplesInitial modulus
(g/tex)
Extension at break (%)Tenacity
(g/tex)

Raw wool49.93 (0.3)16.20 (4.4)10.52 (0.9)
Scoured wool42.47 (0.6)15.75 (2)8.70 (0.7)
ZrOCl2-formic acida33.93 (0.5)20.33 (2)8.97 (0.4)
ZrOCl2-hydrochloric acidb27.67 (0.6)24.75 (4.4)8.90 (0.9)

Wool treated with 9.74% ZrOCl2, 9.6% citric acid, and 6.3% formic acid at 95°C.
Wool treated with 8.96% ZrOCl2, 9.85% citric acid, and 9.01% hydrochloric acid at 92°C.