The invention provides a flexible sweating and cooling composite material and a preparation method and application thereof, and belongs to the technical field of active thermal protection, the flexible sweating and cooling composite material comprises a sweating function layer, a working medium conveying layer and an elastic substrate layer which are sequentially arranged from outside to inside; the sweating functional layer is a composite material comprising a flexible porous material and hydrogel. The flexible sweating cooling composite material provided by the invention can realize macroscopic and microcosmic double accurate controllable distribution of a cooling working medium, improves the uniformity of the cooling working medium, has higher cooling efficiency, and meanwhile, each functional layer is made of a flexible material, can be stretched and deformed, is thin in thickness, has a good shape covering effect, and is suitable for large-scale production. The device can be attached to the surface of each part of an aircraft, is good in sealing performance, and can meet the requirements of complex profiles of different aircraft surface parts.

    本发明提供了一种柔性发汗冷却复合材料及其制备方法和应用,属于主动热防护技术领域,该柔性发汗冷却复合材料包括由外至内依次设置的发汗功能层、工质输送层和弹性基底层;发汗功能层为包括柔性多孔材料和水凝胶的复合材料。本发明提供的柔性发汗冷却复合材料可实现冷却工质宏观和微观的双重精确可控分配,提高冷却工质的均匀性,具有更高的冷却效率,同时各功能层均为柔性材料,可拉伸变形且厚度薄,具有良好的覆形效果,可与飞行器各部位表面进行贴合,密封性好,可以适应不同飞行器表面部位的复杂型面要求。


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    Title :

    Flexible sweating and cooling composite material as well as preparation method and application thereof


    Additional title:

    一种柔性发汗冷却复合材料及其制备方法和应用


    Contributors:
    CAO HAILIN (author) / ZHAO JINHUA (author) / LI CHANGSHENG (author)

    Publication date :

    2024-04-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse



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