WATER-BASED ACRYLIC POLYMER/ZnO–Ag NANOCOMPOSITE COATING FOR ANTIBACTERIAL APPLICATION

Tien Viet Vu, Mohammad Tabish, Sehrish Ibrahim, Mai Huong Pham Thi, The Huu Nguyen, Cuong Bui van (), Thien Vuong Nguyen, Lan Pham Thi, Dai Lam Tran, Tuan Anh Nguyen () and Ghulam Yasin
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Tien Viet Vu: Faculty of Chemical Technology, Hanoi University of Industry, BacTuLiem, Hanoi, 143510, Vietnam
Mohammad Tabish: ��State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
Sehrish Ibrahim: ��College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
Mai Huong Pham Thi: Faculty of Chemical Technology, Hanoi University of Industry, BacTuLiem, Hanoi, 143510, Vietnam
The Huu Nguyen: Faculty of Chemical Technology, Hanoi University of Industry, BacTuLiem, Hanoi, 143510, Vietnam
Cuong Bui van: �Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, 122100, Vietnam
Thien Vuong Nguyen: �Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, 122100, Vietnam
Lan Pham Thi: �Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, 122100, Vietnam
Dai Lam Tran: �Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, 122100, Vietnam
Tuan Anh Nguyen: �Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, 122100, Vietnam
Ghulam Yasin: ��State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China¶Institute for Advanced Study, College of Physics and Optoelectronic Engineering Shenzhen University, Shenzhen 518060, Guangdong, P. R. China

Surface Review and Letters (SRL), 2022, vol. 29, issue 08, 1-17

Abstract: The goal of this work is to study the antibacterial activity of acrylic polymer/ZnO–Ag nanocomposite coating. First, in the presence of UV light (λ=253.7 nm), Ag nanoparticles (NPs; derived from AgNO3 precursor) were photoreduced and deposited on the surface of nano-ZnO. Field emission scanning electron microscope (FE-SEM) images indicated that the AgNPs (5–15 nm) were deposited on the surface of nano-ZnO (20–40 nm). These ZnO–Ag nanohybrids (0.1–0.2 wt.%) were incorporated into the acrylic polymer matrix using ultrasonication to form the nanocomposite coating (∼25 μm thick). Nano-ZnO hybridized with AgNPs resulted in a decrease in the energy gap (Eg) of ZnO from 3.2 eV to 2.7 eV, as observed by diffused reflectance UV–Vis spectrum analysis. The abrasion resistance test indicated that the incorporation of hybrid NPs enhanced the abrasion resistance of the polymer coating (from 81 to 125 l/mil). Moreover, the polymer nanocomposite coating showed high antibacterial efficacy against E. coli and S. aureus in antibacterial tests and achieved 1.8 and 1.2 log after 24 h, respectively. These findings endorse that the ZnO–Ag nanohybrid-based water-borne nanocomposite coatings offer exceptional antibacterial efficiency and would be promising in this application.

Keywords: Nano-ZnO; Ag-based hybrid NPs; acrylic polymer; antibacterial; nanocomposite coating (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X22501098

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