Journal
REACTIVE & FUNCTIONAL POLYMERS
Volume 159, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.reactfunctpolym.2021.104810
Keywords
Polypyrrole; Silver nanoparticles; Plasma; Cotton fibers; Electrically conductivity; Antimicrobial; Superhydrophobic
Funding
- Deanship of Scientific Research at Umm Al-Qura University, Saudi Arabia [19-SCI-1-03-0002]
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In this study, smart fibers with multifunctional properties were developed by synthesizing and immobilizing a nanocomposite of polypyrrole and silver nanoparticles into plasma-activated cotton. The treated fabrics exhibited good antibacterial performance, electrical conductivity, superhydrophobic properties, and high protection against ultraviolet light. The study also investigated the morphologies and chemical composition of the treated fabrics using various analytical techniques.
Smart fibers with multifunctional properties, such as antimicrobial activity, electrically conductive, ultraviolet protection, and superhydmphobic properties have been highly desirable. In this study, a nanocomposite composed of polypyrrole (Ppyr) and silver nanoparticles (AgNPs) were synthesized and immobilized into plasma-activated cotton utilizing pad dry cure finishing process of pyrrole and silver nitrate (AgNO3) into cotton fibers to establish a persistent multifunctional surface. An oxidation-reduction polymerization of pyrrole into polypyrmle associated with reduction of Ag+ ions into Ag-0 nanoparticles leads to their permanent insolubility in the internal fibrous matrix to result in high fastness without changing the mechanical characteristics of the treated fabrics. The electrically conductive cotton smart fabric was fabricated by plasma-assisted immobilization of the polypyrrole conductive polymer in the presence and absence of AgNPs. Nano-structural thin film of polypyrmle and silver nanoparticles was developed in situ after plasma treatment of cotton fibers. The superhydrophobic character was imparted to the cotton fibers by treatment with hexadecyltrimethoxysilane (HDTMS). The morphologies and chemical composition were investigated by scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), Transmission electron microscopy (TEM) and energy-dispersive X-ray spectroscopy (EDX). Both air-permeability and stiffness of the treated cotton fabrics were explored to evaluate their comfort properties. The antibacterial performance against E. coil and S. aureus were explored. In addition, the treated fabrics exhibited a high protection against ultraviolet light.
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