用Cu@CB和玄武岩增强的双功能水性聚氨复合涂层,用于节能防结冰和脱冰
Fengqiang Zhang1, Genrong Li2, Jin Huang1
1College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 26 Hexing Road, Harbin, Heilongjiang 150040, People's Republic of China.
ACS applied materials & interfaces
|November 28, 2025
概括
这项研究提出了一种具有双重功能的涂层,用于有效的抗结冰和脱冰. 这种创新系统将电热加热与超性质相结合,可以防止冰的形成并有效地去除冰.
科学领域:
- 材料科学 材料科学 材料科学
- 表面科学是一门学科.
- 工程 工程师 工程师 工程师
背景情况:
- 在工程表面上结冰带来了重大的安全和能源问题,特别是在寒冷的环境中.
- 现有的防冰和脱冰方法在恶劣条件下经常面临效率和可靠性的局限性.
研究的目的:
- 开发一种单一系统涂层,具有主动电热除冰和被动超水抗冰能力.
- 为应对冰块积累对关键基础设施和运输系统所带来的挑战.
主要方法:
- 使用水性聚氨 (2K-WPU) 基材制造双功能涂层.
- 整合一个Cu@碳黑 (Cu@CB) 网络,通过朱尔加热进行电热脱冰.
- 基岩片的修改,以创建一个对超性质的层次微/纳米结构.
主要成果:
- 该涂层在0.0024 W cm-2的温度下,在595秒内实现了快速的焦尔加热到75.8 °C,从而将冰融化时间缩短了三分之二.
- 超疏水性质导致水接触角度为155°,延迟结并减少约40%的积.
- 在动态条件下,协同效应证明了高效的融水流失和抑制二次结冰.
结论:
- 开发的可扩展,环保的复合材料涂层为低能耗,高可靠性防冰和脱冰提供了有前途的解决方案.
- 这种材料设计将导电混合体与基于矿物质的超疏水性填充剂集成在一起,为功能性表面开发提供了一个新的范式.
- 该涂层确保在恶劣条件下可靠的性能,适用于风力轮机,飞机和户外基础设施.
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