Development of antibacterial waterborne polymeric coating using iodine complex / Hariharan Sekar in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 2 (03/2024)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 21, N° 2 (03/2024) . - p. 773-787 Titre : Development of antibacterial waterborne polymeric coating using iodine complex Type de document : texte imprimé Auteurs : Hariharan Sekar, Auteur ; Mahesh S. Tirumkudulu, Auteur ; Venkat Gundabala, Auteur Année de publication : 2024 Article en page(s) : p. 773-787 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antimicrobiens Biofilms Biomasse Caractérisation Copolymère méthacrylate de méthyle, acrylate de butyle Hydrophobie Iode Latex Revêtements en phase aqueuse Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : With advancements in architectural coatings, the demand for antimicrobial coatings in this sector has increased significantly. The COVID-19 pandemic has also been a primary force behind the increased demand for and production of antimicrobial coatings. Typically, antimicrobial coatings are used to resist and decolonize microbial attacks such as biofilm formation, fungal contamination, and black mold formation. In this study, we synthesized a water-based antimicrobial polymer nanocomposite, I-P(MMA/BA), by blending an iodine complex with a poly (methyl methacrylate-butyl acrylate) latex with the aid of polyol and polyvinylpyrrolidone. Antimicrobial efficacy was evaluated in two habitats, namely planktonic and biofilm. Biomass studies indicated that iodinated latex nanocomposites and films show excellent antibacterial and antibiofilm activities. About 85–97% of biofilm formation was reduced by covering 15–30% of the area with iodinated latex film. The contact angle measurement of the iodinated latex-coated surface provides evidence of good hydrophobicity, which prevents stagnation of water over the surface. The developed dual-functional water-based iodinated nanocomposite displays great potential for inhibiting biofilm formation on surfaces when employed as a binder in paints. Note de contenu : - EXPERIMENTAL : Materials - Formulation of iodinated latex composite - Fabrication of iodinated latex film - Inoculum preparation - Antibacterial efficacy tests for iodinated latex film - Antibiofilm efficacy tests for iodinated latex film - Effect of water treatment on antibacterial and antibiofilm activities of iodinated film - Physical characterization of iodinated latex film - RESULTS AND DISCUSSION : Composition of iodinated latex composite - Antibacterial activity of iodinated latex dispersion and film - Antibiofilm activity of iodinated latex film - Antibacterial and antibiofilm activity of iodinated film upon exposure to water - Color analysis of iodinated latex film - Hydrophobicity of iodinated latex film - Water absorption studies of iodinated latex film DOI : https://doi.org/10.1007/s11998-023-00856-6 En ligne : https://drive.google.com/file/d/1dqDG_iwRNMS6vbxRQXHTMZHpNKCHwJj-/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40792 [article]

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