使用地质聚合物作为可调和持续的银离子释放介质
1Department of Elementary Education, Faculty of Education, Anadolu University, Eskisehir, Turkey. ilknurkara@anadolu.edu.tr.
Scientific reports
|April 13, 2024
概括
用银添加的地质聚合物提供可调节的抗菌特性. 热处理显著减少了银离子的释放,增强了它们对抗菌应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 化学工程是化学工程的重要组成部分.
背景情况:
- 地质聚合物是无机聚合物,在各种领域都有潜在的应用.
- 从多孔材料中控制活性离子的释放对于持续的功能至关重要.
- 银离子 (Ag+) 以其强大的抗菌特性而闻名.
研究的目的:
- 为了将白银纳入地质聚合物结构.
- 为了研究热处理对银离子释放的影响.
- 评估银地质聚合物作为可调节的抗菌剂的潜力.
主要方法:
- 通过酸银 (AgNO3) 沉,将银纳入地质聚合物粉中.
- 在地聚合物矩阵内银沉物的表征.
- 评估银离子 (Ag+) 释放动力学.
- 评估不同温度 (如850°C,1050°C) 的烧焦对银的释放和材料性能的影响.
主要成果:
- 银在纳米孔内以微型沉物 (2-5 nm) 的形式成功地被纳入地质聚合物结构,达到3.4% (w/w).
- 从银地质聚合物复合物中观察到持续的银离子 (Ag+) 释放.
- 在850°C的化下,由于表面积和透率的减少,Ag+的释放量减少了大约30倍.
- 银沉的大小保持稳定,高达1050°C,尽管有显著的烧结诱导的收缩.
结论:
- 地质聚合物可以作为一种可调节的矩阵,用于银的结合.
- 热处理提供了一种有效的方法来控制银离子释放的速度.
- 用银添加的地质聚合物显示出作为抗菌应用中可控的Ag+来源的前景.
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