Issue 20, 2022
From the journal:

RSC Advances

Rapid preparation of ZnO nanocomposite hydrogels by frontal polymerization of a ternary DES and performance study

Bin Li, ORCID logo *a   Mengjing Zhou, ORCID logo a   Ming Cheng, ORCID logo a   Jizhen Liu, ORCID logo a   Xiaojia Xua  and  Xiangyu Xieb  

* Corresponding authors

a School of Mechanical Engineering, Wuhan Polytechnic University, Wuhan, Hubei 430023, China
E-mail: lb420@whpu.edu.cn

b Hubei Key Laboratory of Theory and Application of Advanced Materials Mechanics, Wuhan University of Technology, Wuhan, Hubei 430070, China

Abstract

A deep eutectic solvent (DES) was synthesized from urea (U), acrylamide (AM), and choline chloride (ChCl). ZnO was dispersed in the DES as a filler, and nanocomposite hydrogels (ZnO/P(U-AM-ChCl)) were successfully prepared by frontal polymerization (FP). The hydrogels were verified by Fourier infrared spectroscopy to contain ZnO nanoparticles (ZnO-NPs). The swelling behaviour, conductivity, and antibacterial properties of the ZnO nanocomposite hydrogels were investigated. The results showed that the ZnO/P(U-AM-ChCl) hydrogels had excellent antibacterial properties and exhibited super high inhibition rates of 81.87% and 88.42% against two basic colonies of Gram-negative and Gram-positive bacteria, respectively. The equilibrium swelling of the hydrogels was found to increase significantly from 9.30 to 12.29 with the addition of ZnO, while the ZnO/P(U-AM-ChCl) hydrogel conductivity exhibited good UV sensitivity. This study provides a rapid and low-energy method for the preparation of nanocomposite hydrogels with excellent antibacterial properties.

Graphical abstract: Rapid preparation of ZnO nanocomposite hydrogels by frontal polymerization of a ternary DES and performance study

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Article information

DOI
https://doi.org/10.1039/D2RA01626E
Article type
Paper
Submitted
12 Mar 2022
Accepted
17 Apr 2022
First published
28 Apr 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 12871-12877

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Rapid preparation of ZnO nanocomposite hydrogels by frontal polymerization of a ternary DES and performance study

B. Li, M. Zhou, M. Cheng, J. Liu, X. Xu and X. Xie, RSC Adv., 2022, 12, 12871 DOI: 10.1039/D2RA01626E

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