Application of nanogold in woolen textiles dyeing

Document Type : UFGNSM Conference

Authors

1 Polymer and Textile Engineering Department, South Tehran Branch, Islamic Azad University, Tehran, Iran; Nanotechnology Research Center, Islamic Azad University, South Tehran Branch, Tehran, Iran

2 Textile and Fashion Department, Mashhad Branch, Islamic Azad University, Mashhad, Iran

3 Polymer and Textile Engineering Department, South Tehran Branch, Islamic Azad University, Tehran, Iran

4 Nanotechnology Department, Hassun Textile Research Center, Tehran, Iran

5 Nanotechnology Research Center, Islamic Azad University, South Tehran Branch, Tehran, Iran

Abstract

Nanotechnology has a widespread application in textile fields, especially in technical textiles, finishing, and dyeing processes. Accordingly, in this research, we investigated the effect of nanogold as a mordant for woolen textile dyeing. The purpose of this research was to produce a multifunctional woolen textile by applying nanogold particles as a novel mordant. Therefore, after the yarn purification and neutralization, the yarns were pre-treated with nanogold (60ppm) in boiling water for 1 hour and then were dyed using the onchrome method. Nanoparticles and dyed yarns were subsequently assessed through DLS, EDS, FESEM, SEM, washing fastness, light fastness, and antibacterial properties. The obtained results indicated that nanogold was absorbed by the wool and the washing fastness was enhanced without affecting softness and causing stains whereas light fastness remains constant. Furthermore, the yarns showed excellent antibacterial properties against Gram-positive and Gram-negative bacteria, namely Escherichia Coli and Staphylococcus Aureus.

Keywords


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Volume 55, Issue 1
June 2022
Pages 65-69
  • Receive Date: 23 November 2021
  • Revise Date: 25 January 2022
  • Accept Date: 08 February 2022
  • First Publish Date: 24 June 2022