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Environmentally friendly dyeing of wool yarns using of combination of bio‐mordants and natural dyes

Environmentally friendly dyeing of wool yarns using of combination of bio‐mordants and natural dyes Today, the issue of reducing industrial pollution has received much attention. The textile industry is of high important throughout the world. However, its by‐product wastewater pollutes the environment. The first approach was the selection of plant‐based dyes (madder and reseda) and the application of tannin‐based mordants (pomegranate peel and myrobalan). The extraction of madder, reseda, and pomegranate peel in water with the ultrasound‐assisted method was done. In this article, pre‐mordanting method was used for mordanting and Cu (copper) and alum were selected as the mineral mordant to compare the results. Fourier Transform Infrared Spectroscopy method was employed to analyze the obtained extracts and to investigate the changes in the fibers. The results showed that K/S (color strength) values of the dyed samples increased by increasing the dye concentration. The colorfastness properties of the samples were investigated according the ISO standards. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Progress & Sustainable Energy Wiley

Environmentally friendly dyeing of wool yarns using of combination of bio‐mordants and natural dyes

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References (44)

Publisher
Wiley
Copyright
© 2022 American Institute of Chemical Engineers
ISSN
1944-7442
eISSN
1944-7450
DOI
10.1002/ep.13868
Publisher site
See Article on Publisher Site

Abstract

Today, the issue of reducing industrial pollution has received much attention. The textile industry is of high important throughout the world. However, its by‐product wastewater pollutes the environment. The first approach was the selection of plant‐based dyes (madder and reseda) and the application of tannin‐based mordants (pomegranate peel and myrobalan). The extraction of madder, reseda, and pomegranate peel in water with the ultrasound‐assisted method was done. In this article, pre‐mordanting method was used for mordanting and Cu (copper) and alum were selected as the mineral mordant to compare the results. Fourier Transform Infrared Spectroscopy method was employed to analyze the obtained extracts and to investigate the changes in the fibers. The results showed that K/S (color strength) values of the dyed samples increased by increasing the dye concentration. The colorfastness properties of the samples were investigated according the ISO standards.

Journal

Environmental Progress & Sustainable EnergyWiley

Published: Sep 1, 2022

Keywords: dyeing; fastness; madder; myrobalan; natural fibers; pomegranate

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