通过PCM和缓释盐实现的双组分道路标志的协同抗结冰和融雪性能
Wei Zhang1, Kaibo Yang1, Renshan Chen2
1School of Traffic Civil Engineering, Shandong Jiaotong University, Jinan, Shandong, China.
PloS one
|February 2, 2026
概括
新的道路标志使用相变材料 (PCM) 和盐添加剂,以提高冬季性能. 这种创新的涂层提供了持久的,自我脱冰的能力,提高了寒冷地区的安全性.
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.
- 化学 化学 化学
背景情况:
- 传统的道路标志在冬季因,可见度降低和脆弱性而退化.
- 现有的解决方案在寒冷的气候下缺乏耐用性和有效性.
研究的目的:
- 开发一种功能性的两组件道路标记涂层,具有增强的防冰和除冰性能.
- 评估一种新型复合材料添加剂对涂层性能和冬季道路状况的影响.
主要方法:
- 将复合抗结冰添加剂 (相变材料TH-ME5和基于盐的缓释剂T-SEN) 纳入两组件涂层.
- 系统评估添加剂含量和涂层特性 (粘附性,灵活性,磨损等) 的比例. 和道路性能.
- 冰粘合测试和融雪模拟,以评估抗结冰和脱冰机制.
主要成果:
- 添加剂含量≤20重量%保持符合标准道路标记要求.
- 确定了一种两阶段的抗结冰机制,包括隐性热缓冲 (TH-ME5) 和长期脱冰 (T-SEN).
- 最佳配方 (20%的添加剂,1:3的TH-ME5:T-SEN比率) 显示出最低的冰粘度和延迟的积雪.
结论:
- 一种协同的PCM-盐方法提供了一个可行的策略,用于持久的,自脱冰路面标记.
- 开发的涂层显著提高了冬季条件下的性能和安全性.
- 这项技术为需要可靠的道路基础设施的寒冷地区提供了可扩展的解决方案.
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