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Permanent antimicrobial polymethyl methacrylate prepared by chemical bonding with poly(hexamethylene guanidine hydrochloride)
Polymers for Advanced Technologies ( IF 3.4 ) Pub Date : 2021-08-10 , DOI: 10.1002/pat.5459
Han Shi 1 , Qixin Zhuang 1 , Anna Zheng 1 , Pengfei Zhan 1 , Yong Guan 1 , Dafu Wei 1 , Xiang Xu 1 , Tao Wu 1
Affiliation  

The alkyl-terminated poly(hexamethyleneguanidine hydrochloride) (PHMG-L), which is antibacterial by physical membrane rupture, was selected as the functional gene, a nonleaching antimicrobial polymethyl methacrylate (PMMA) was developed by the melting grafting reaction between the random copolymer P (MMA-co-MAH) containing 5.0 wt% maleic anhydride (MAH) and the PHMG-L. The results of Fourier transform infrared spectroscopy, X-ray photoelectron spectra, energy spectrometer, atomic force microscope, scanning electron microscopy, elemental analyzer, UV–visible spectrophotometer confirmed that P(MMA-g-PHMG) had been successfully prepared, and the grafting efficiency was at 67.1%–70.7% while 1.0–3.0 wt% PHMG-L was added. Furthermore, P(MMA-g-PHMG) was compatible with PMMA, and partially enriched on the surface of the mixture. The inhibition rates of antimicrobial PMMA with 3.0 wt% PHMG-L against Escherichia coli and Staphylococcus aureus reached 99.9%, and the nonleaching characteristic ensured the safety and long-term antimicrobial property. The antimicrobial PMMA also possessed excellent heat resistance and transparency. This study provides a green and promising approach for the industrial fabrication of antimicrobial PMMA.

中文翻译:

与聚六亚甲基胍盐酸盐化学键合制备的永久性抗菌聚甲基丙烯酸甲酯

以物理破膜抗菌的烷基封端聚六亚甲基胍盐酸盐(PHMG-L)为功能基因,通过无规共聚物P之间的熔融接枝反应开发了非浸出性抗菌聚甲基丙烯酸甲酯(PMMA)。 (MMA- co-MAH) 含有 5.0 wt% 马来酸酐 (MAH) 和 PHMG-L。傅里叶变换红外光谱、X 射线光电子能谱、能谱仪、原子力显微镜、扫描电子显微镜、元素分析仪、紫外-可见分光光度计的结果证实 P(MMA-g-PHMG) 已成功制备,接枝接枝效率为 67.1%–70.7%,同时添加 1.0–3.0 wt% PHMG-L。此外,P(MMA-g-PHMG) 与 PMMA 相容,并在混合物表面部分富集。含3.0 wt% PHMG-L的抗菌PMMA对大肠杆菌金黄色葡萄球菌的抑制率达到99.9%,非浸出特性保证了安全性和长期抗菌性能。抗菌 PMMA 还具有优异的耐热性和透明度。该研究为抗菌 PMMA 的工业制造提供了一种绿色且有前景的方法。
更新日期:2021-08-10
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