生态友好的飞基地质聚合物砂的抗菌活性
Zeynep Iyigundogdu1, Hüsamettin Ürünveren2, Ahmet Beycioğlu2
1Department of Bioengineering, Adana Alparslan Türkeş Science and Technology University, 01250 Adana, Türkiye.
Materials (Basel, Switzerland)
|May 7, 2025
概括
在100°C固化后的地质聚合物砂具有优越的强度和抗菌性能,是普通波特兰水泥的可持续替代品. 这些环保材料减少二氧化碳排放,并通过抑制微生物生长来增强结构寿命.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 环境科学 环境科学
背景情况:
- 由于高二氧化碳排放,普通波特兰水泥 (OPC) 的生产是不可持续的.
- 越来越多的人对环保建筑材料的需求越来越大,这些建筑材料具有抗菌性质,可以提高耐用性和乘客健康.
- 地质聚合物砂/混凝土 (GPM/GPC) 正在成为OPC的可持续替代品,提供良好的机械和耐久性特性.
研究的目的:
- 研究固化温度对地质聚合物砂组成,微观结构,机械和抗菌性能的影响.
- 为了确定生产具有增强强度和抗菌活性的GPM的最佳固化温度.
- 评估GPM作为可持续和卫生建筑材料的潜力.
主要方法:
- 地质聚合物砂是使用低的飞灰作为粘合剂和酸/氧化作为性激活剂生产的.
- 样品在不同的温度下固化: 60,80,100和120°C.
- 描述包括X射线光 (XRF) 组成,扫描电子显微镜 (SEM) 微观结构,机械测试压力强度,以及对抗菌和真菌的抗微生物活性的亚格扩散方法.
主要成果:
- XRF表明地质聚合物产品增加,固化温度更高.
- 在100°C以上固化的地质聚合物中,SEM揭示了微结构裂,导致机械性能降低.
- 100°C的最佳固化温度产生了最高的压力强度 (48.41 MPa) 和显著的抗微生物活性 (38.94-49.24毫米的抑制区).
- 较高的性直接与增强的抗微生物疗效相关.
结论:
- 在100°C固化后的地质聚合物砂具有最佳的机械强度和强大的抗微生物特性.
- 在更高的固化温度下形成微观结构裂会对机械性能产生负面影响.
- 作为可持续建筑材料,GPM具有显著的潜力,特别是在需要高卫生标准和耐微生物腐蚀的应用中.
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