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Au@CuO-ZnO三元异质结抗菌改性聚酰胺66的原位聚合

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

作者信息

Li Xiang, Zheng Mi, Zhao Shikun, Cao Zhiwen, Pan Kai, Feng Xinxing, Zhang Hua, Zheng Min, Wang Cheng

机构信息

Institute of System Engineering, Academy of Military Sciences, People's Liberation Army, Beijing 100010, China.

College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.

出版信息

Polymers (Basel). 2024 Jan 4;16(1):158. doi: 10.3390/polym16010158.

DOI:10.3390/polym16010158
PMID:38201823
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10780995/
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 and 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.

摘要

原位聚合已被证明是一种将功能材料引入聚酰胺材料的有效途径。在这项工作中,通过原位聚合法将一种纳米异质结材料均匀分散在PA66中,以制备抗菌PA66。该复合材料对[具体菌种1]和[具体菌种2]表现出优异的抗菌活性,且具有很强的机械性能。傅里叶变换红外光谱(FTIR)表明金属离子与含氧官能团发生了反应。此外,X射线光电子能谱(XPS)中氧峰的位移证实了络合反应的发生。X射线衍射(XRD)和差示扫描量热法(DSC)证实了纳米异质结诱导结晶的效果。扫描电子显微镜(SEM)和透射电子显微镜(TEM)显示异质结在PA66中均匀分散。拉伸测试表明,随着负载量的增加,韧性降低。这种纳米复合聚酰胺材料具有良好的加工性能,可以加工成薄膜、模具和电线,而不会改变其形态,并且可以广泛应用于各种领域。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/5b11c0e0ab6a/polymers-16-00158-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/0b208210bad4/polymers-16-00158-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/e7c0974061e4/polymers-16-00158-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/c49079136fd8/polymers-16-00158-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/4e66db67464e/polymers-16-00158-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/dfc94ac3fa6c/polymers-16-00158-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/f05c1d5e800d/polymers-16-00158-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/7c0f3f9c0608/polymers-16-00158-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/729aff4f947e/polymers-16-00158-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/cd5234de47e2/polymers-16-00158-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/5b11c0e0ab6a/polymers-16-00158-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/0b208210bad4/polymers-16-00158-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/e7c0974061e4/polymers-16-00158-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/c49079136fd8/polymers-16-00158-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/4e66db67464e/polymers-16-00158-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/dfc94ac3fa6c/polymers-16-00158-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/f05c1d5e800d/polymers-16-00158-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/7c0f3f9c0608/polymers-16-00158-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/729aff4f947e/polymers-16-00158-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/cd5234de47e2/polymers-16-00158-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0fa2/10780995/5b11c0e0ab6a/polymers-16-00158-g010.jpg

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