Scalable Robust Superamphiphobic Coatings Enabled by Self-Similar Structure, Protective Micro-Skeleton, and Adhesive for Practical Anti-Icing of High-Voltage Transmission Tower

Jinfei Wei; Bucheng Li; Ning TianJiaojiao ZhangWeidong LiangJunping Zhang

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Scalable Robust Superamphiphobic Coatings Enabled by Self-Similar Structure, Protective Micro-Skeleton, and Adhesive for Practical Anti-Icing of High-Voltage Transmission Tower

机译：Scalable Robust Superamphiphobic Coatings Enabled by Self-Similar Structure, Protective Micro-Skeleton, and Adhesive for Practical Anti-Icing of High-Voltage Transmission Tower

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Superamphiphobic coatings have wide application prospects in various fields,but suffer from low mechanical robustness. Although some strategies havebeen reported to solve the issue, it is still challenging for large-scale preparationof robust superamphiphobic coatings via facile approaches. Here, auniversal preparation method of mechanically robust superamphiphobiccoatings by spraying a suspension containing silica nanoparticles decoratedwith perfluorodecyl polysiloxane and adhesive microparticles on varioussubstrates have been reported. Phase separation of the adhesive avoidsembedding of the nanoparticles in the adhesive by forming the nanoparticles@microparticles structure and meanwhile generates a reentrant tri-tierhierachical micro-/micro-/nanostructure. Phase separation determines micromorphology,chemical composition, superamphiphobicity, and mechanicalrobustness of the coatings. Consequently, the coatings show excellent staticand dynamic superamphiphobicity. Moreover, the coatings show excellentmechanical robustness because of the combined effects of the self-similarstructure, protective micro-skeleton, and adhesive. Furthermore, scalablepreparation of the suspension and the superamphiphobic coatings have beenachieved. The coatings can significantly delay the water freezing time andthus show good passive anti-icing performance on the 1000 kV high-voltagetransmission tower. It is believed that the robust superamphiphobic coatingshave great application potential, as the method is simple and scalable.

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来源
《Advanced functional materials》 |2022年第43期|2206014.1-2206014.10|共10页
作者
Jinfei Wei; Bucheng Li; Ning TianJiaojiao ZhangWeidong LiangJunping Zhang;
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作者单位

Center of Eco-Material and Green Chemistry, Lanzhou Institute ofChemical PhysicsChinese Academy of SciencesLanzhou 730000, P. R. China Center of Eco-Material and Green Chemistry, Lanzhou Institute ofChemical PhysicsChinese Academy of SciencesLanzhou 73000;

Center of Eco-Material and Green Chemistry, Lanzhou Institute ofChemical PhysicsChinese Academy of SciencesLanzhou 730000, P. R. China;

Department of Chemical Engineering, College of PetrochemicalEngineeringLanzhou University of TechnologyLanzhou 730050, P. R. China;

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正文语种英语
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anti-icing; phase separations; superamphiphobic; superhydrophobic; wettability;

Scalable Robust Superamphiphobic Coatings Enabled by Self-Similar Structure, Protective Micro-Skeleton, and Adhesive for Practical Anti-Icing of High-Voltage Transmission Tower

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