一种高度耐水和抗菌的粘合涂层,用于保护海上混凝土
Hui Rong1, Qi Bao1, Chuanchuan Fan2
1School of Materials Science and Engineering, Tianjin Chengjian University, Tianjin 300384, China.
ACS applied materials & interfaces
|January 23, 2026
概括
一种新的无溶剂涂层可以保护海洋混凝土免受降解. 这种创新的三元共聚合物粘合剂提供了卓越的粘合力,抗菌性能,以及对化物和酸腐蚀的抗性,以提高基础设施的耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 腐蚀工程 腐蚀工程
- 海洋工程 海洋工程
背景情况:
- 海洋混凝土基础设施面临着由化物入侵和微生物影响的腐蚀造成的重大退化挑战.
- 现有的保护涂层往往无法提供长期的,多层次的防御,以抵御恶劣的海洋条件.
研究的目的:
- 开发和评估一种创新的,无溶剂的,现场聚合的三元共聚合物粘合涂层,以增强海洋混凝土的保护.
- 为了评估涂层的粘附强度,抗菌功效,以及对化物透和酸性腐蚀的抗性.
主要方法:
- 一种三元共聚合物的合成:聚乙烯基甲酸-co-butyl甲酸-co-1-allyl-3-vinylimidazole化物 (PHEMA-PBMA-P[AVIM]Cl).
- 通过粘附测试,浸泡研究,对抗硫氧化细菌的抗菌分析和电化学腐蚀测试来评估涂层性能.
主要成果:
- 优化的聚合物涂层表现出异常的粘合强度 (1.82 MPa),即使在长时间浸泡后,也超过了传统的环氧涂层.
- 该涂层表现出显著的抗菌功效,其杀菌率为75%,抑制区为15毫米.
- 它有效地阻碍了化物透 (<200°C) 并抑制了酸引起的腐蚀,减少了电流并保持了机械完整性.
结论:
- 开发的三元共聚合物粘合涂层为海洋混凝土提供了高性能,多层保护策略.
- 它的无溶剂,现场聚合和强大的性能使其成为海上基础设施的可扩展和耐用解决方案.
- 这种分子设计推进了材料科学,在侵略性的海洋环境中延长了混凝土的使用寿命.
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