RADIATION PROTECTION ›› 2019, Vol. 39 ›› Issue (6): 483-486.

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Study on shielding effectiveness of nickel-base composite coating for environmental electromagnetic radiation

ZHANG Tao, GAO Peng, YU Zhengping   

  1. Department of Occupation Health, Key Laboratory of Medical Protection for Electromagnetic RadiationMinistry of Education, Amy Medical University, Chongqing 400038
  • Received:2019-03-22 Online:2019-11-20 Published:2020-05-15

Abstract: The environmental electromagnetic radiation intensities near a TV transmitter tower and a mobile phone base station were measured. A composite coating for shielding radiofrequency electromagnetic radiation was prepared using nickel carbonyl powder and water-borne varnish as main raw materials. Experimental results show that the environmental electromagnetic radiation intensities near typical radiation sources do not exceed the national control limits. The nickel-based composite coating has high shielding performance for radio-frequency electromagnetic radiation in environment. Using the formula and technological conditions adopted in this experiment, the shielding effectiveness of the material is found to be optimal when the nickel content per unit area is 0.015 g/cm2.

Key words: environmental electromagnetic radiation, nickel-base composite coating, shielding effectiveness

CLC Number: 

  • TM25