Abstract
Owing to global environmental concerns, sustainable industrial processes have become a topic of significant importance in various fields. Chestnut shells are byproducts of agricultural and food industries; however, they include various health-beneficial compounds such as polyphenols and flavonoids. In this study, the feasibility of using chestnut shell extract as a natural functional agent for textile finishing processes was investigated. The chestnut shell extract was prepared by boiling the inner and outer shells of chestnut in distilled water for 4 h. Subsequently, the extract was filtered, centrifuged, concentrated, and finally dried into powder form using a freeze dryer. The extract was then dissolved in distilled water at different concentrations and applied to cotton fabrics through a pad-dry-cure process. The finished cotton fabrics were investigated by scanning electron microscope, Fourier-transform infrared spectroscopy, etc. In addition, the antibacterial and antioxidant properties of the finished cotton fabrics were examined as functional properties. The results showed that the cotton fabrics finished by chestnut shell extract exhibited significant antibacterial, antioxidant, and deodorant properties when the concentration of the chestnut shell extract was above 10% (w/v) in the finishing bath.
Highlights
Textiles are generally processed in multiple steps during manufacturing, including scouring, bleaching, dyeing, and finishing
The results showed that the cotton fabrics finished by chestnut shell extract exhibited significant antibacterial, antioxidant, and deodorant properties when the concentration of the chestnut shell extract was above 10 wt% in the finishing bath
In order to apply the extract to cotton fabrics, finishing solutions were prepared by dissolving the extract powder in distilled water at the following concentrations: 2, 5, 10, 15 and 20 wt%
Summary
Textiles are generally processed in multiple steps during manufacturing, including scouring, bleaching, dyeing, and finishing. Each process consumes a large volume of water and energy, and generates a huge amount of wastewater containing various toxic chemicals (Haji and Naebe 2020). (Eid and Ibrahim 2021; Khan et al 2017) Such approaches include search for ecofriendly chemicals, development of biocompatible polymers, application of new technologies, and implementation of integrating processes (Eid and Ibrahim 2021). Bio-wastes and byproducts from agricultural and food industries have been used as dyeing and/or finishing agents in textile processes. Using bio-wastes in textile processes can be considered as an economical and sustainable approach
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