| Titre : |
Strong and sustainable chemical bonding of TiO2 on nylon surface using 3-mercaptopropyltrimethoxysilane (3-MPTMS): analysis of antimicrobial and decomposition characteristics of contaminants |
| Type de document : |
texte imprimé |
| Auteurs : |
Gyoyoung Lee, Auteur ; Jaewoong Lee, Auteur ; Chankyu Kang, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 1399-1409 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
3-mercaptopropyltriméthoxysilane
Antimicrobiens
Dioxyde de titane
Fibres textiles synthétiques
Liaisons chimiques
Photodétérioration
Polyamide 66
Textiles et tissus synthétiques
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
In this study, the antimicrobial and photodegradation properties of nylon fabric were improved by chemical treatment using 3-mercaptopropyltrimethoxysilane (3-MPTMS), which binds to photocatalyst TiO2, on a nylon fabric surface. The nylon fibers were impregnated with a solution containing isopropanol, titanium dioxide (TiO2), and 3-MPTMS at optimum ratios, and then stirred for 90 min. To remove the nonreactive impurities, the sample was washed twice with isopropanol and distilled water, and then dried. The TiO2 concentration, agitation temperature, and time were varied to determine suitable coating conditions for attachment to the nylon surface; the resulting properties were confirmed by scanning electron microscopy/energy dispersive spectroscopy. To evaluate the antimicrobial and photodegradation properties of TiO2, antimicrobial tests were conducted using the microbial reduction method and contact angle tests. The fiber contamination rate was measured by computer color matching after the sample was contaminated with methylene blue. Moreover, the antimicrobial activity of Staphylococcus aureus and Escherichia coli strains on the treated nylon was investigated. |
| Note de contenu : |
- EXPERIMENTAL METHODS AND MATERIALS : Material - Agitationof 3-MPTMS and TiO2 colloid sol - Pad-dry-cure method for TiO2 colloid sol - Scanning electron microscopy/energy dispersive spectroscopy - X-ray photoelectron spectroscopy - Atomic force microscopy - Contact angle analysis - Thermal analysis by thermogravimetry/differential thermal analysis - Transmission electron microscopy - Washing fastness - Antimicrobial analysis - Pollution degradability - Thermal stability of fabrics antimicrobial and photocatalytic properties |
| DOI : |
10.1007/s11998-019-00222-5 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00222-5.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33020 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 5 (09/2019) . - p. 1399-1409
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