在水性涂料中利用具有突出抗菌活性的经济实惠纳米复合材料
1Polymers and pigments Dept, National Research Centre, Dokki, Cairo, Egypt. chem.walaa@yahoo.com.
Scientific reports
|June 25, 2025
概括
这项研究开发了在水性树脂中使用纳米氧化/烟和纳米铜氧化/烟的环保抗菌涂层. 与商业选择相比,这些新型涂料表现出优越的抗菌活性和增强的机械性能.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 抗微生物涂料 抗微生物涂料
背景情况:
- 开发有效和环保的抗微生物涂层对于防止微生物污染至关重要.
- 传统的抗微生物药物可能很昂贵,并且对环境产生影响.
- 纳米复合材料为增强抗微生物特性提供了有希望的解决方案.
研究的目的:
- 通过使用纳米氧化 (ZnO) 和纳米铜氧化 (CuO) 与二氧化烟雾合成新型环保抗微生物纳米复合材料.
- 以不同的度将这些纳米复合材料纳入水性烯酸树脂中.
- 评估与商业替代品相比,开发的涂料的抗菌疗效和机械性能.
主要方法:
- 通过溶液燃烧合成纳米-ZnO/烟和纳米-CuO/烟纳米复合材料.
- 在0.4%和0.8%的度中将纳米复合材料融入烯酸水性树脂中.
- 使用光盘扩散和摇法进行抗菌检测,对黄金葡萄球菌,黄菌和白菌进行检测.
- 评估涂料的机械性能 (硬度,粘合力) 并与商业涂料进行比较.
主要成果:
- 与纳米-CuO/烟和纯金属氧化物相比,纳米-ZnO/烟纳米复合材料表现出更高的抗菌活性.
- 使用0.8%纳米-ZnO/烟的涂层显示出最高的抑制区 (1726.6毫米),超过商业涂层 (1621毫米).
- 增加的颜料度 (0.8%) 提高了涂层的硬度和附着性,这归因于更紧的薄膜形成.
结论:
- 基于纳米-ZnO/烟和纳米-CuO/烟的环保抗菌涂层可以使用水性树脂有效地开发.
- 这些新的纳米复合材料涂层为昂贵的进口抗菌剂提供了具有成本效益和高性能的替代品.
- 开发的涂层显示出对于需要耐用且有效的抗微生物表面的应用具有重大潜力.
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