Stress-Strain Properties of Sodium Thioglycollate Treated Wool in Air and Water

Abstract

<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:"times="" roman";mso-ansi-language:en-us;="" mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">The fibres of Australian Merino, Chokla and Malpura sheep wools were treated with sodium thiogIycollate solution of 0.5 <i>M</i> at 10.0 pH for 24 h at 0°C.The untreated and treated fibres were tested for stress-strain properties in air (65 ± 5% RH and 27 ± 2°C) and in water (27 ± 2°C). The different parameters of the stress-strain curve were analyzed taking into consideration their dependence on the tex value of the fibres. The genetic groups differed in certain characteristics. Also, the interaction was significant in many others. The treatment in general weakened the stress-strain parameters as the thioglycollate reduces the disulphide bonds in wool fibre. The percentage change in parameters differed among the breeds.</span>