Scientia Silvae Sinicae ›› 2011, Vol. 47 ›› Issue (7): 166-171.doi: 10.11707/j.1001-7488.20110726
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Lu Keyang1, Fu Feng1, Cai Zhiyong2, Zhang Enjiu3, Fu Yuejin1
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Abstract:
Conductive sheets consisting of copper fibers, UF resin, acrylic resin and surface paper were prepared by hot pressing. The results showed that the electromagnetic shielding effectiveness of conductive sheets increased with rising of filling ratio of the copper fibers .When the filling amount of copper fiber was 250 g·m-2, the electromagnetic shielding effectiveness of the conductive sheets which consisted of 5 mm long copper fibers were able to reach from 27 to 65 dB, the electromagnetic shielding effectiveness of the conductive sheets which consisted of 10 mm long copper fibers could reach from 31 to 67 dB, and the electromagnetic shielding effectiveness of the conductive sheets which consisted of 15-mm long copper fibers could reach from 31 to 67 dB. All the conductive sheets had good electromagnetic shielding performance. Some other results were found that under the same filling ratio, the longer fiber was, the higher electromagnetic shielding effectiveness could be. Compared with the length of fibers and thickness of sheets, the filling ratio of copper fibers showed the most significant influence on the averages of SE.
Key words: copper fiber, conductive sheet, filling ratio, length, electromagnetic shielding
CLC Number:
S781.39
Lu Keyang;Fu Feng;Cai Zhiyong;Zhang Enjiu;Fu Yuejin. Electromagnetic Shielding Property of UF Adhensive Conductive Sheets Filled with Copper Fibers[J]. Scientia Silvae Sinicae, 2011, 47(7): 166-171.
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