Green Method for the Preparation of Durable Superhydrophobic Antimicrobial Polyester Fabrics with Micro-Pleated Structures

To produce functional protective textiles with minimal environmental footprints, we developed durable superhydrophobic antimicrobial textiles. These textiles are characterized by a micro-pleated structure on polyester fiber surfaces, achieved through a novel plasma impregnation crosslinking process....

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2024-03, Vol.29 (6), p.1219
Main Authors: Zhao, Ying, Chen, Kaihong, Zhu, Jiehui, Chen, Huajie, Xia, Yong, Xu, Minglin, Xu, Liyun, Yao, Lirong
Format: Article
Language:English
Subjects:
Analysis
Anti-Infective Agents - pharmacology
Antimicrobial agents
antimicrobial property
Bacteria
Biofilms
Contact angle
Crosslinked polymers
Crosslinking polymerization
Dimethylpolysiloxane
Escherichia coli
Hydrophobic and Hydrophilic Interactions
Hydrophobic surfaces
Infrared spectroscopy
Methods
micro-pleated structure
Microorganisms
Nanoparticles
Particle size
plasma
Plasma etching
Polyesters
Polyesters - chemistry
Polymers
Silver
superhydrophobicity
Textile industry
Textiles
Water - chemistry
water-soluble nanosilver
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Summary:To produce functional protective textiles with minimal environmental footprints, we developed durable superhydrophobic antimicrobial textiles. These textiles are characterized by a micro-pleated structure on polyester fiber surfaces, achieved through a novel plasma impregnation crosslinking process. This process involved the use of water as the dispersion medium, water-soluble nanosilver monomers for antimicrobial efficacy, fluorine-free polydimethylsiloxane (PDMS) for hydrophobicity, and polyester (PET) fabric as the base material. The altered surface properties of these fabrics were extensively analyzed using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectrometry (XPS), thermogravimetric analysis (TGA), and water contact angle (WCA) measurements. The antimicrobial performance of the strains was evaluated using Gram-negative and Gram-positive Staphylococcus aureus. After treatment, the fabrics exhibited enhanced hydrophobic and antimicrobial properties, which was attributed to the presence of a micro-pleated structure and nanosilver. The modified textiles demonstrated a static WCA of approximately 154° and an impressive 99.99% inhibition rate against both test microbes. Notably, the WCA remained above 140° even after 500 washing cycles or 3000 friction cycles.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules29061219