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    Home > Chemicals Industry > New Chemical Materials > Inspired by the microstructure of dragonfly wings, develop tough and repairable materials

    Inspired by the microstructure of dragonfly wings, develop tough and repairable materials

    • Last Update: 2021-06-10
    • Source: Internet
    • Author: User
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    A tough and repairable material inspired by the microstructure of dragonfly wings.


    A few days ago, Professor Fu Jiajun of Nanjing University of Science and Technology, Professor Fu Qiang of Sichuan University, and Associate Researcher Wu Kai jointly reported a hard and strong repairable material inspired by dragonfly wings.


    Inspired by the ability of organisms to repair their own structure, performance and specific functions, researchers have developed a series of repairable polymer materials based on supramolecular interactions (such as hydrogen bonds, coordination bonds, ionic bonds, etc.


    In recent years, researchers have focused on the development of repairable materials with high strength and high modulus.


    Dragonfly wings have a unique hierarchical structure ranging from micro-nano scale to macro-scale.


    In view of this, the researchers used the idea of ​​fixed structure processing to implant the three-dimensional interconnected dragonfly wing microstructure skeleton into the hard and brittle repairable polymer matrix to solve the problem of brittle fracture of rigid repairable materials.


    In addition, the prepared biomimetic composite material also has fast light control and repairability, excellent thermal stability and good electromagnetic shielding ability.



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