Free carrier dyeing of polyester fabric using nano TiO₂
2013
The aim of the study was to investigate the effect of nano TiO₂ on the dyeing behavior of polyester fabric. The polyester fabric was first thermally treated with nano TiO₂ and then dyed with two different disperse dyes at the boil without a carrier. The dyeing efficiency was compared to the common carrier dyeing of the polyester. The dyeing adsorption of polyester fabrics was positively affected by nano TiO₂ pre-treatment and an increase in nano TiO₂ content led to higher color strength. The proposed method proved to have no adverse effects on fastness properties and could be introduced as a novel route, imparting various desirable multi-functional features to polyester fabric. This method is also free from some of the disadvantages involved in carrier dyeing such as toxicity.
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