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Multifunctional Dyeing of Wool Fabrics Using Selenium Nanoparticles.

Tarek Abou Elmaaty^1,2, Sally Raouf³, Khaled Sayed-Ahmed⁴

¹Department of Material Arts, Faculty of Art & Design, Galala University, Galala 43713, Egypt.

|January 11, 2022

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Selenium nanoparticles (Se-NPs) offer a novel, eco-friendly orange dye for wool, providing excellent color depth and durability. The dyed wool exhibits enhanced antimicrobial and UV-blocking properties, with minimal loss after extensive washing.

Area of Science:

Materials Science
Textile Chemistry
Nanotechnology

Background:

Traditional textile dyeing often involves harsh chemicals and can lead to environmental pollution.
Developing sustainable and functional dyeing methods is crucial for the textile industry.
Selenium nanoparticles (Se-NPs) possess unique optical properties due to localized surface plasmon resonance (LSPR).

Purpose of the Study:

To explore the potential of selenium nanoparticles (Se-NPs) as a novel dyestuff for wool fibers.
To evaluate the color characteristics, deposition, and durability of Se-NP dyed wool.
To investigate the functional properties, such as antimicrobial activity and UV-blocking, imparted by Se-NPs.

Main Methods:

Wool fibers were dyed using Se-NPs, with variations in Se content and dyeing temperature.

Keywords:

UV-blocking properties antimicrobial activity multifunctional finishing selenium nanoparticles wool fabrics

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Color characteristics were analyzed using spectrophotometry.

Morphological and structural analysis of dyed wool was performed using Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDX), and X-ray Diffraction (XRD).

Washing durability and functional properties (antimicrobial, UV-blocking) were assessed after multiple wash cycles.

Main Results:

Se-NPs successfully dyed wool fibers with a distinct orange color owing to LSPR.
Color depth increased with higher Se content and dyeing temperature.
SEM, EDX, and XRD confirmed the spherical shape and uniform distribution of Se-NPs on wool surfaces.
The dyeing process demonstrated excellent durability to washing (10 cycles).
Imparted functionalities like antimicrobial activity and UV-blocking were well-maintained post-washing.

Conclusions:

Selenium nanoparticles are a viable and effective novel dyestuff for imparting an orange color to wool.
The Se-NP dyeing method results in durable coloration and enhances wool's functional properties, including antimicrobial and UV-blocking capabilities.
This approach offers a sustainable and functional alternative for textile coloration and finishing.