Synchronized Dyeing and Finishing of Natural Silk Fabrics with Mulberry Leaves Extract

Document Type : Original Article

Authors

1 National Research Center Egypt.

2 National research center

3 Dyeing, printing and auxiliaries department, Textile division, National research centre, Doki, Cairo, Egypt

4 Dyeing, Printing and Auxiliaries Department, Textile Research Division, National Research Centre, Cairo 12622, Egypt

5 National Research Centre, 30 El-Tahrir Street

Abstract

The environmental constrains issued recently in many countries reinforce the textile chemists and colorists to adopt eco-friendlier methods during dyeing and finishing of textile substrates. Herein, a genuine colorant extracted from mulberry leaves was used in dyeing of natural silk fabric using conventional heating as well as ultrasonic- or microwave-assisted dyeing.Adopting pre-, meta-, and post-mordanting methods, dyeing of natural silk was carried out also in presence of iron II sulphate heptahydrate as a mordant. The colour strength, colorimetric data, fastness properties, antimicrobial properties, and the resistance to ultraviolet radiation of the dyed samples were monitored. The results proved that mulberry leaves’ extract is a suitable eco-friendlier colorant for dyeing of natural silk fabrics with a high colour strength and adequate fastness properties against light, washing, rubbing, and perspiration, in presence of FeSO4.7H2O as a mordant. The dyed fabrics exhibited excellent resistance to microbial attack, including Gram +ve, Grame –ve bacteria and a pathogenic fungus, as well as ultraviolet radiation.

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Egyptian Journal of Chemistry
Volume 65, Issue 131 - Serial Number 13
Special Issue: Chemistry and Global Challenges (Part A)
December 2022
Pages 769-779

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History

  • Receive Date: 18 August 2022
  • Revise Date: 22 December 2022
  • Accept Date: 01 January 2023

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