Inclusion complex-based multifunctional polyurethane antibacterial coatings with excellent mechanical and thermal properties / Anjali Sharma in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 4 (07/2024)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 21, N° 4 (07/2024) . - p. 1291-1309 Titre : Inclusion complex-based multifunctional polyurethane antibacterial coatings with excellent mechanical and thermal properties Type de document : texte imprimé Auteurs : Anjali Sharma, Auteur ; Indu Pal Kaur, Auteur ; Fengge Gao, Auteur ; Gaurav Verma, Auteur Année de publication : 2024 Article en page(s) : p. 1291-1309 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antibactériens B-cyclodextrine sulfonée Caractérisation Charges (matériaux) Nanoparticules Polyuréthanes Revêtements -- Propriétés mécaniques Revêtements -- Propriétés thermiques Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Sulfonated β-cyclodextrin (CD1) combined with nanocurcumin or nanoclay was used to prepare multifunctional polyurethane (PU) coatings having antimicrobial capabilities. The combination resulted in formation of an inclusion complex which is confirmed by Raman studies and Job's plot analysis. The co-precipitation method is employed to achieve two inclusion complexes by combining CD1 with Cloisite 30B (C30B) and nanocurcumin (NC) separately. The resultant nanocomposite coating samples exhibit < 100 °C deviation at 50% weight loss from PU in heat resistance, as well as a 78% enhancement in toughness and 2.3–3 cm of zone of inhibition which is comparable to amoxicillin in its performance in resistance to bacterial growth. The advantage of absorbing such inclusion complexes into polymer coatings is the creation of multifunctionalities such as hydrophobicity, flame retardance, thermally stable and low intumescent coatings. Note de contenu : - Table 1 : FTIR peaks description of Na2SO3, sodiumundec-10-ene−1-sulfonate and CD1 - Table 2 : Thermal properties of PU and nanofiller-based PU nanocomposites - Table 3 : Mechanical properties of the coatings of coatings DOI : https://doi.org/10.1007/s11998-023-00892-2 En ligne : https://drive.google.com/file/d/1QYOkwhLKjSGrS9YW4jUe6KrMR_6e-x8J/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41298 [article]

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