基于化树脂和嵌入式石墨烯的协同效应,在粗表面上增强了抗/解冰性能
Rui Zhang1, Zhengmao Ding1, Kaiqiang Wang1
1State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing, 100084, P. R. China.
Small methods
|January 16, 2024
概括
一种新的含有石墨烯纳米片的化树脂涂层显著降低了97%的冰粘度,并延迟了46倍以上的结冰. 这种先进的防冰涂层在工业应用中提供了更高的安全性和更低的经济损失.
科学领域:
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
- 纳米技术纳米技术
背景情况:
- 结冰对各种行业构成重大安全风险和经济挑战.
- 有效的防冰解决方案对于运营连续性和安全至关重要.
研究的目的:
- 开发和评估一种与石墨烯纳米片嵌入的新型化树脂涂层,以获得卓越的抗结冰和脱冰性能.
- 调查负责增强抗结冰性能的协同机制.
主要方法:
- 采用螺旋涂层固化工艺,以嵌入石墨烯纳米片来准备化树脂涂层.
- 在受控的实验室条件下测量了冰的粘附强度和冰化延迟时间,包括模拟的太阳辐射.
- 分析了表面特性和光热效应,以了解涂层的性能.
主要成果:
- 与裸体板相比,开发的涂层降低了约97.0%的冰粘合强度.
- 在模拟的太阳辐射 (96 mW cm−2) 下,冰化时间被延迟了46.3倍,温度为-15°C.
- 低表面能量的协同效应,减少接触面积,石墨烯的光热特性和结合竞争有助于性能.
结论:
- 嵌入式石墨烯纳米片的化树脂涂层显示出卓越的抗结冰和脱冰能力.
- 简单的制备方法和卓越的性能表明了大规模工程应用的巨大潜力.
- 这项研究提供了一种有前途的方法来减轻结冰的有害影响.
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