多功能疏水/超疏水复合涂层的制备及其防覆冰性

徐达; 肖振; 余新泉; 张友法

doi:10.13801/j.cnki.fhclxb.20210513.004

多功能疏水/超疏水复合涂层的制备及其防覆冰性

doi: 10.13801/j.cnki.fhclxb.20210513.004

徐达^{1, 2,},
肖振^{1, 2,},
余新泉^{1, 2,},
张友法^{1, 2, ,}

1.
东南大学　材料科学与工程学院，南京 211189
2.
江苏省先进金属材料高技术研究重点实验室，南京 211189

基金项目: 国家自然科学基金(52071076)

详细信息

通讯作者:
张友法，博士，副教授，博士生导师，研究方向为仿生纳米超浸润涂层　E-mail：yfzhang@seu.edu.cn

中图分类号: TB332
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- 被引次数: 0
出版历程
- 收稿日期: 2021-03-24
- 修回日期: 2021-04-24
- 录用日期: 2021-05-04
- 网络出版日期: 2021-05-13
- 刊出日期: 2021-03-01

Preparation and anti-icing characteristics of multifunctional hydrophobic/superhydrophobic composite coating

XU Da^{1, 2
,},
XIAO Zhen^{1, 2
,},
YU Xinquan^{1, 2
,},
ZHANG Youfa^{1, 2
, ,}

1.
School of Material Science and Engineering, Southeast University, Nanjing 211189, China
2.
Jiangsu Key Laboratory for Advanced Metallic Materials, Nanjing 211189, China

摘要

摘要: 防覆冰现已成为飞机结构、输电线路、制冷器械等设备上亟待解决的问题。对自主研发的三种疏水/超疏水复合涂层的防覆冰特性进行了综合对比研究，重点分析了各涂层在机械耐久性及超低温条件下除冰性的优势。测试结果表明：底漆-面漆复合超疏水涂层具备较优异的机械耐久性，在磨耗仪250 g载荷下磨耗40次后及冻融循环100次后冰剪切强度均小于30 kPa；而疏水纳米颗粒-润滑脂复合涂层超低温−150℃下的除冰性能表现优异，其初始冰层剪切力仅为11.5 kPa。本文研究成果将为疏水/超疏水涂层在防覆冰领域的应用提供有益的理论和实际指导。
- 防覆冰 /
- 疏水/超疏水 /
- 复合材料 /
- 低温/超低温 /
- 机械耐久性
Abstract: Anti-icing has now become an urgent problem to be solved in the fields of aircraft structure, power transmission lines, and refrigeration equipment. This paper conducted a comprehensive comparative study on the anti-icing characteristics of three independently developed hydrophobic/superhydrophobic composite coatings, focusing on the analysis of the advantages of each coating in mechanical durability and deicing under ultra-low temperature conditions. The results show that the primer-finish composite superhydrophobic coating has excellent mechanical durability, and the ice adhesion strength is less than 30 kPa after 40 abrasion under a 250 g load of the abrasion meter and after 100 freezing/melting cycles; the hydrophobic nanoparticle-lubricating grease composite coating has excellent deicing performance at ultra-low temperature −150℃, and its initial ice adhesion strength is only 11.5 kPa. The research results of this thesis will provide useful theoretical and practical guidance for the application of hydrophobic/superhydrophobic coatings in the field of anti-icing.
- anti-icing /
- hydrophobic/superhydrophobic /
- composite coating /
- low temperature/ultra-low temperature /
- mechanical durability

HTML全文

图 1 底漆-面漆复合超疏水涂层(PFC)的制备工艺

Figure 1. Preparation technology of primer-finish composite superhydrophobic coating (PFC)

FEVE—FEVE fluorocarbon resin; PU—Polyurethane

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图 2 疏水纳米颗粒-润滑脂复合涂层(NGC)的制备工艺

Figure 2. Preparation technology of nanoparticle-lubricating grease composite coating (NGC)

下载: 全尺寸图片幻灯片

图 3 界面润滑复合涂层(ILC)的制备工艺

Figure 3. Preparation technology of interface lubricating composite coating (ILC)

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图 4 底漆-面漆复合超疏水涂层(PFC)、界面润滑复合涂层(ILC)和疏水纳米颗粒-润滑脂复合涂层(NGC)复合涂层的微观组织形貌图像

Figure 4. Microstructures of primer-finish composite superhydrophobic coating (PFC), interface lubricating composite coating (ILC) and nanoparticle-lubricating grease composite coating (NGC) composite coatings

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图 5 复合涂层表面的静态水滴−10℃下延迟结冰特性

Figure 5. Characteristics of static water droplet delayed icing at −10℃ on composite coating surface

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图 6 PFC、ILC和NGC复合涂层机械耐久性测试

Figure 6. Mechanical durability test of PFC, ILC and NGC composite coatings

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图 7 复合涂层的微观组织形貌图和耐磨性失效机制

Figure 7. Microstructures and abrasion resistance failure mechanism of composite coatings

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图 8 复合涂层的微观组织形貌图和冻融循环机制

Figure 8. Microstructure and freezing/melting cycle mechanism of composite coating

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图 9 试验模具在冰风洞中不同时间下的试验观察结果

Figure 9. Experimental observation results of the test mold in the ice wind tunnel at different times

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表 1 复合涂层表面的润湿性测试

Table 1. Wettability test of composite coating surface

Coating	Base	ILC	NGC	PFC
Contact angle/(°)	36.7	105.1	124.3	159.6
Sliding angle/(°)	>90	37.7	53.8	2.6
Note: Base—Base surface.

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