基于功能化液体金属微凝的自愈和持久的抗污染zwitterionic水凝
Baoluo He1, Peng Wang1, Shenghua Xue1
1State Key Laboratory of Solidification Processing, Center of Advanced Lubrication and Seal Materials, Northwestern Polytechnical University, Xi'an 710072, PR China.
Journal of colloid and interface science
|September 19, 2023
概括
新的zwitterionic聚合物水凝 (PEIS-Gel@PMPC-GLM) 呈现出增强的机械强度和优异的长期抗污染特性,对抗细菌和微藻. 这些先进的水凝还表现出自我愈合能力和出色的滑性.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 表面化学 表面化学
背景情况:
- 水凝是有前途的防材料,但其机械强度较差,短期有效性较差.
- 现有的抗污染策略往往在长期性能和广泛频谱有效性方面面临限制.
研究的目的:
- 开发具有改进的机械性能和长期抗 capabilities 的新型zwitterionic聚合物水凝.
- 为了研究离子和表面水友性的协同抗效应.
- 探索开发的水凝的自我愈合和滑特性.
主要方法:
- 通过紫外线固化和化制备Zwitterionic聚合物PEIS交联基液态金属微凝 (PEIS-Gel@PMPC-GLM).
- 机械性能测试,水友性评估和对微藻和细菌的抗污染性能评估.
- 感应合等离子 - 光学发射光谱学 (ICP-OES) 用于离子释放分析和滑性能摩擦测试.
主要成果:
- 与未经修改的水凝相比,PEIS-Gel@PMPC-GLM水凝显示出明显改善的机械性能和水友性.
- 在短期测试中实现了90%以上的微藻粘附预防和近100%的细菌粘附.
- 长期表现出极好的防性能,可以去除90%以上的细菌和80%的微藻类,以及显著的滑性 (COF低至0.023).
- 证明了归因于诱导的交叉连接的自我愈合特性.
结论:
- 开发的PEIS-Gel@PMPC-GLM水凝为先进的防应用提供了强大的解决方案.
- 离子和表面水合的组合提供了强大的抗菌和抗效应.
- 该材料的自我愈合和滑特性进一步提高了其在苛刻环境中的实用性.
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