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CNT를 첨가한 전력케이블용 반도전 재료의 열적특성에 관한 연구
양훈,국정호,방정환,박대희,Yang, Hoon,Kook, Jeong-Ho,Bang, Jeong-Hwan,Park, Dae-Hee 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.12
In this paper, we have investigated thermal properties of semiconductive shield materials for power cables. EEA (Ethylene Ethyl Acrylate) was used for base polymer and TGA (Thermal Gravimetric Analysis) and AFM (Atomic Force Microscope) were investigated with various carbon black and CNT (carbon nanotube) contents. When CNT reinforced composites and conventional composite were investigated with TGA, we knew that thermal properties of CNT reinforced composite were better than them of conventional composite. To investigate roughness, we used AFM. Before and after aging, AFM was applied and after aging, roughness was increased. As a result, suitable CNT and CB(carbon black) content is CNT:CB=50:50.
나노 반도전층 재료의 기계적/화학적 특성 향상에 관한 연구
梁鍾錫(Jong-Seok Yang),申同訓(Dong-Hoon Shin),鞠正鎬(Jeong-Ho Kook),羅昌運(Chang-Woon Nah),朴大熙(Dae-Hee Park) 대한전기학회 2007 전기학회논문지 Vol.56 No.4
In this paper, we have investigated mechanical and chemical properties by changing the content of carbon nanotube, which is component part of semiconductive shield in underground power transmission cable. Specimens were made of sheet with the eight of those for measurement. The condition of specimens was a solid sheet. Chemical properties of specimens was measured by FT-ATR (Fourier Transform Attenuated Total Reflectance). Stress-strain of specimens was measured by TENSOMETER 2000. A speed of measurement was 200[㎜/min], ranges of stress and strain were 400[㎏f/㎝] and 600[%]. We could observe functional group (C=O, carbonyl group) of specimens through FT-ATR. From these experimental result, the concentration of functional group (C=O) was high according to increasing the content of carbon nanotube. We could know CNT/EEA was excellent more than other specimens from above experimental results. In Addition, the elongation ratio was decreased, and yield strength was increased according to increasing the content of carbon nanotube. Also, from these experimental result, we could know that a small amount of CNT/EEA has a excellent mechanical and chemical properties.