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Vol. 25 No. 11 (2013): Vol 25 Issue 11

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Effect of Conventional and Ultrasonic Assisted Bleaching on Colour Fastness Properties of Reactive Dyed Cotton Fabric

https://doi.org/10.14233/ajchem.2013.14202A
Assad Farooq
Department of Fibre & Textile Technology, University of Agriculture, Faisalabad, Pakistan
Muhammad Azeem Ashraf
Department of Fibre & Textile Technology, University of Agriculture, Faisalabad, Pakistan
Muhammad Mohsin
Department of Textile Engineering, University of Engineering & Technology, Lahore (Faisalabad Campus), Pakistan

Corresponding Author(s) : Assad Farooq

assadfarooq@googlemail.com

Asian Journal of Chemistry, Vol. 25 No. 11 (2013): Vol 25 Issue 11

Abstract

The uniformity of dyed cotton materials largely depends upon the efficiency of fabric preparatory processes. For uniform colouration all natural and added impurities from cotton are removed by scouring and bleaching by treating with harsh chemicals at elevated temperatures which consumes much of energy. The effective use of ultrasound in textile wet processing provide benefits such as reduced energy costs and increased product quality in less time. In this research work cotton fabrics were dyed after bleaching by conventional and ultrasonic assisted bleaching technique. Colour fastness properties of reactive dyed cotton fabrics such as washing, rubbing, ironing and light were determined and compared to evaluate the effect of bleaching. The study showed that pre-treatments have a significant effect on fastness properties of fabrics. The fabric samples dyed after ultrasonic bleaching clearly showed better fastness properties even at low temperature and time as compared to conventional technique.

Keywords

Ultrasound Bleaching Colour fastness Cavitations Cotton Pretreatment
Farooq, A., Azeem Ashraf, M., & Mohsin, M. (2013). Effect of Conventional and Ultrasonic Assisted Bleaching on Colour Fastness Properties of Reactive Dyed Cotton Fabric. Asian Journal of Chemistry, 25(11), 5960–5964. https://doi.org/10.14233/ajchem.2013.14202A
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