Preparation of silver-coated copper electromagnetic shielding coating and its application in power frequency electromagnetic field

2018 4th International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Liu, Ping^1 ; Wang, Peng^2 ; Deng, Yongqiang^1 ; Wu, Fayuan^1 ; Dai, Xiaomin^1 ; Wang, Yue^2

State Grid of Jiangxi Electric Power Research Institute, Nanchang, China^1

Nanjing Xianzhi New Material Technology Co. LTD, Nanjing, China^2

关键词: Aluminium powder;    Broad application;    Electro-magnetic protection;    Electromagnetic shielding composites;    Isocyanate indices;    Polyurethane matrix;    Power frequency electromagnetic field;    Shielding effectiveness;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/252/2/022068/pdf
DOI  :  10.1088/1755-1315/252/2/022068

来源: IOP

【 摘 要 】

In this paper, the shielding effectiveness of the electromagnetic shielding composite coating with copper powder and silver coated copper powder as the base material was tested by preparing the polyurethane matrix with 0.95∼1.01 isocyanate index and adding flaky ferro-silico-aluminium powder. The field comparison experiment shows that the silver-clad copper-based electromagnetic shielding composite coating has a good efficiency of power frequency electromagnetic shielding, which is up to 30.71dB. It has a broad application prospect in the field of electromagnetic protection of power transmission and transformation facilities.