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    Home > New progress in light fluoroplastics shielding materials

    New progress in light fluoroplastics shielding materials

    • Last Update: 2017-01-20
    • Source: Internet
    • Author: User
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    Recently, the research and development team led by Tian Xingyou, researcher of advanced materials center of Applied Technology Research Institute of Hefei Institute of material science, Chinese Academy of Sciences, and Zhang Xian, deputy researcher, has made new progress in the research on the preparation and anti electromagnetic interference performance of light fluoroplastics based nanocomposites The relevant results are published in composites science and technology 125 (2016) 22-29; composites: Part A 90 (2016) 606 – 613, and applied for a national invention patent With the wide application of modern computer and communication technology, the problem of electromagnetic interference is becoming more and more serious The development of high-performance electromagnetic shielding materials has become the goal of many researchers Compared with the traditional metal shielding materials, polymer composite materials have become a research hotspot in recent years because of their outstanding advantages such as light weight, corrosion resistance, easy processing, adjustable conductivity and so on MWCNTs with high conductivity were selected as the functional materials, PVDF with excellent chemical corrosion resistance and high temperature resistance as the polymer matrix On the one hand, PVDF / MWCNTs nanocomposites were prepared by hot pressing and etching by adjusting the selective distribution of carbon nanotubes in the blend phase Due to the unique structure design of the material, excellent electromagnetic shielding performance was obtained On the other hand, PVDF microspheres were prepared by phase separation technology, and the fluoroplastics nanocomposites with unique isolation network structure were obtained by blending and hot pressing This material has excellent anti electromagnetic interference performance, and is a shielding mechanism with wave absorption as the main mechanism The two methods adopted by the research group are simple, environmental friendly and low-cost The composite materials obtained show high electromagnetic shielding performance and have a wide application prospect The research work is supported by the National Natural Science Foundation of China.
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