Fabrication and multifunctional properties of fluorine-free durable nickel stearate based superhydrophobic cotton fabric / Malobi Seth in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 3 (05/2022)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 19, N° 3 (05/2022) . - p. 813-827 Titre : Fabrication and multifunctional properties of fluorine-free durable nickel stearate based superhydrophobic cotton fabric Type de document : texte imprimé Auteurs : Malobi Seth, Auteur ; Sunirmal Jana, Auteur Année de publication : 2022 Article en page(s) : p. 813-827 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antibactériens Antifongiques Caractérisation Coton Le coton est une fibre végétale qui entoure les graines des cotonniers "véritables"(Gossypium sp.), un arbuste de la famille des Malvacées. Cette fibre est généralement transformée en fil qui est tissé pour fabriquer des tissus. Le coton est la plus importante des fibres naturelles produites dans le monde. Depuis le XIXe siècle, il constitue, grâce aux progrès de l'industrialisation et de l'agronomie, la première fibre textile du monde (près de la moitié de la consommation mondiale de fibres textiles). Enduction textile Hydrophobie Séparation huile/eau Stéarate de nickel Textiles et tissus auto-nettoyants Index. décimale : 667.9 Revêtements et enduits Résumé : A fluorine-free superhydrophobic cotton fabric based on nickel stearate with multifunctional properties has been fabricated by a two step simple solution process. The cotton fabric (aNS-CF) exhibits static water contact angle, ~ 160°, and water shedding angle, < 10°, due to in-situ formation of hierarchical (micro and nano) broccoli-like structures of nickel stearate. The superhydrophobic cotton fabric, having superoleophilic property, has been used for separation of a series of light/heavy oil–water mixtures, and ~ 99% separation efficiency has been achieved after 10 cycles of separation process and it has been found to be slightly reduced to ~ 98% after 50 cycles. Antifouling and self-cleaning performance of the fabric has been evaluated effectively using solid and liquid contaminants as well as some common food liquids. The coating exhibits significant mechanical and chemical robustness and laundering durability in harsh conditions. The coated fabric possesses antibacterial (gram-negative E. coli and gram-positive S. aureus) and antifungal (C. albicans) properties leading to ~ 99.99% reduction in microbial growth, which has been remarkably sustained after 50 cycles of washing, abrasion and separation of oil–water mixtures. The stable multifunctional properties of the fabric exhibits a great potential towards a huge domain of practical implementations in smart textiles. Note de contenu : - EXPERIMENTAL : Materials - Fabrication of nickel stearate coating - Oil-water separation - Antimicrobial activity - Durability of coating - Characterizations - RESULTS AND DISCUSSION : Phase structure - Surface morphology - Chemical bonding - Superwetting behavior - Stability of nickel stearate coating - Oil-water separation - Antimicrobial activity - Table 1 : Comparison of the durability of superhydrophobic aNS-CF with the reported works DOI : https://doi.org/10.1007/s11998-021-00559-w En ligne : https://link.springer.com/content/pdf/10.1007/s11998-021-00559-w.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38073 [article]

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