A Skin-Inspired Design Integrating Mechano–Chemical–Thermal Robustness into Superhydrophobic Coatings

Hailong Zhang, Xinyu Bu, Wanbo Li, Miaomiao Cui, Xingxiang Ji, Furong Tao, Ligang Gai, Haihui Jiang, Libin Liu, Zuankai Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

6 Citations (Scopus)

Abstract

Designing scalable coatings with a wide spectrum of functions such as liquid repellency, anticorrosion, and antiflaming and a high level of mechano–chemical–thermal robustness is crucial in real-life applications. However, these individual functionalities and robustness are coupled together or even have conflicting requirements on the interfacial or bulky properties of materials, and thus, simultaneously integrating all these individual features into one coating has proved challenging. Herein, an integral skin-inspired triple-layered coating (STC) that resolves conflicting demands imposed by individual features on the structural, chemical, mechanical, and thermal properties of materials is proposed. Specifically, the rational design of multiple gradients in roughness, wetting, strength, and flame retardancy and the formation of continuous interfaces along its triple layers endow a sustained liquid repellency, anticorrosion, and flame retardancy even under harsh environments, as well as strong antiabrasion on surfaces and adhesion with the substrate. Such an all-in-one design enhances the durability and lifetime of coatings and reduces the maintenance and repair, thereby contributing to cost and energy saving. Together with a facile spraying fabrication process, this STC provides a feasible and sustainable strategy for constructing energy and resource-saving materials.

Original languageEnglish
Article number2203792
JournalAdvanced Materials
Volume34
Issue number31
DOIs
Publication statusPublished - 4 Aug 2022
Externally publishedYes

Keywords

  • coatings
  • robustness
  • skin-inspired triple-layers
  • spraying
  • superhydrophobicity

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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