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Polymers
Volume 16
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10.3390/polym16010158
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Article

In Situ Polymerization of Antibacterial Modification Polyamide 66 with Au@Cu2O-ZnO Ternary Heterojunction

by
Xiang Li
1,
Mi Zheng
2,
Shikun Zhao
3,
Zhiwen Cao
3,
Kai Pan
3,
Xinxing Feng
1,
Hua Zhang
1,*,
Min Zheng
2,* and
Cheng Wang
2
1
Institute of System Engineering, Academy of Military Sciences, People’s Liberation Army, Beijing 100010, China
2
College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
3
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
*
Authors to whom correspondence should be addressed.
Polymers 2024, 16(1), 158; https://doi.org/10.3390/polym16010158
Submission received: 20 November 2023 / Revised: 22 December 2023 / Accepted: 27 December 2023 / Published: 4 January 2024
(This article belongs to the Section Polymer Composites and Nanocomposites)
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Abstract

In situ polymerization has proven to be an effective route through which to introduce function materials into polyamide materials. In this work, a nano-heterojunction material was evenly dispersed in PA66 via in situ polymerization methods to yield the antimicrobial PA66. The composites showed excellent antibacterial activity against Staphylococcus aureus and Escherichia coli, with strong mechanical properties. Fourier transform infrared spectroscopy (FTIR) showed that metal ions reacted with oxygen-containing functional groups. In addition, the shift of oxygen peaks in XPS spectra confirmed the occurrence of a complexation reaction. X-ray diffraction (XRD) and differential scanning calorimetry (DSC) confirmed the effect of nano-heterojunction, which induced crystallization. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) showed uniform dispersion of heterojunctions in PA66. Tensile testing revealed decreased toughness with higher loadings. The nanocomposite polyamide material has good processing properties which can be processed into thin films, molds, and wires without changing the morphology, and can be widely used in a variety of fields.
Keywords: polyamide 66; in situ polymerization; Au@Cu2O-ZnO ternary heterojunction; antibacterial polyamide 66; in situ polymerization; Au@Cu2O-ZnO ternary heterojunction; antibacterial

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MDPI and ACS Style

Li, X.; Zheng, M.; Zhao, S.; Cao, Z.; Pan, K.; Feng, X.; Zhang, H.; Zheng, M.; Wang, C. In Situ Polymerization of Antibacterial Modification Polyamide 66 with Au@Cu2O-ZnO Ternary Heterojunction. Polymers 2024, 16, 158. https://doi.org/10.3390/polym16010158

AMA Style

Li X, Zheng M, Zhao S, Cao Z, Pan K, Feng X, Zhang H, Zheng M, Wang C. In Situ Polymerization of Antibacterial Modification Polyamide 66 with Au@Cu2O-ZnO Ternary Heterojunction. Polymers. 2024; 16(1):158. https://doi.org/10.3390/polym16010158

Chicago/Turabian Style

Li, Xiang, Mi Zheng, Shikun Zhao, Zhiwen Cao, Kai Pan, Xinxing Feng, Hua Zhang, Min Zheng, and Cheng Wang. 2024. "In Situ Polymerization of Antibacterial Modification Polyamide 66 with Au@Cu2O-ZnO Ternary Heterojunction" Polymers 16, no. 1: 158. https://doi.org/10.3390/polym16010158

APA Style

Li, X., Zheng, M., Zhao, S., Cao, Z., Pan, K., Feng, X., Zhang, H., Zheng, M., & Wang, C. (2024). In Situ Polymerization of Antibacterial Modification Polyamide 66 with Au@Cu2O-ZnO Ternary Heterojunction. Polymers, 16(1), 158. https://doi.org/10.3390/polym16010158

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