Issue 48, 2021

Antibacterial cotton fabric prepared by surface-initiated photochemically induced atom transfer radical polymerization of 2-(dimethylamino)ethyl methacrylate with subsequent quaternization

Abstract

A modification of the cotton fabric surface using surface-initiated oxygen-tolerant photochemically induced atom transfer radical polymerization (SI-photoATRP) of 2-(dimethylamino)ethyl methacrylate (DMAEMA) with subsequent quaternization to impart antibacterial properties is reported. First, the photoATRP of DMAEMA was optimized by investigating the effect of reaction conditions on the control of polymerization kinetics and molecular characteristics of poly(2-(dimethylamino)ethyl methacrylate) (PDMAMEA). Subsequently, the optimized conditions were applied for surface modification of cotton fabric pre-functionalized with an ATRP initiator. Cotton-grafted-PDMAEMA (cell-g-PDMAEMA) with different grafting yields was produced and reacted with benzyl bromide to obtain quaternized-grafted cotton fabric (cell-g-QPDMAEMA), which has an antibacterial function. The structure and morphology of cell-Br, cell-g-PDMAEMA, and cell-g-QPDMAEMA have been characterized by Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy. The quaternized-grafted cotton fabric showed high antibacterial efficiency and a good laundry resistance, while the mechanical properties of the modified fabrics did not deteriorate dramatically by the surface modification.

Graphical abstract: Antibacterial cotton fabric prepared by surface-initiated photochemically induced atom transfer radical polymerization of 2-(dimethylamino)ethyl methacrylate with subsequent quaternization

Supplementary files

Article information

Article type
Paper
Submitted
01 okt 2021
Accepted
23 nov 2021
First published
23 nov 2021

Polym. Chem., 2021,12, 7073-7084

Antibacterial cotton fabric prepared by surface-initiated photochemically induced atom transfer radical polymerization of 2-(dimethylamino)ethyl methacrylate with subsequent quaternization

G. Zain, M. Bučková, K. Mosnáčková, J. Doháňošová, A. Opálková Šišková, M. Mičušík, A. Kleinová, P. Matúš and J. Mosnáček, Polym. Chem., 2021, 12, 7073 DOI: 10.1039/D1PY01322J

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