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1 2011

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Low Temperature Dyeing of Plasma Treated Luxury Fibres. Part I: Results for Mohair (Angora Goat)

Atav R., Yurdakul A.

Fibres & Textiles in Eastern Europe

2011

Vol. 19, no. 2 (85)

84-89

This study focused on the usage of plasma treatment for the modifcation of fbre surfaces to achieve the dyeing of mohair fbres at lower temperatures without causing a decrease in dyeexhaustion. Te study was carried out using diferent gases under various powers and times. Te efect was assessed in terms of colour, and the test samples were also evaluated using scanning electron microscopy (SEM). Te optimum conditions of plasma treatment for improving mohair fbre dyeability are treatments carried out using Ar gas at 140 W for 60''. According to the results of the experiments, it can be concluded that plasma treated mohair fbres can be dyed at lower temperatures (90 °C) and for shorter times (1 h instead of 1.5 h) with reactive dye without causing any decrease in colour yield. Dyeing kinetics were also researched in the study, and it was demonstrated that the rate constant and standard afnity of the plasma treated sample increased.