화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korea-Australia Rheology Journal, Vol.27, No.1, 55-62, February, 2015
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Effect of manufacturing condition in PC/PMMA/CNT nanocomposites extrusion on the electrical, morphological, and mechanical properties
Jutae Park, Sangmook Lee1, †, and Jae Wook Lee†
  • Applied Rheology Center, Department of Chemical and Biomolecular Engineering, Sogang University, Seoul 121-742, Republic of Korea
  • 1Division of Chemical Engineering, Dankook University, Yongin 448-701, Republic of Korea
E-mail:,
Polycarbonate (PC)/poly(methyl methacrylate) (PMMA)/carbon nanotube (CNT) nanocomposites were prepared using a twin screw extruder. The effect of CNT content, screw speed, and manufacturing method on the electrical conductivity, morphology, and mechanical properties were investigated using a surface resistivity meter, SEM, XRD, and UTM. There existed the processing condition which lowered the surface resistivity of nanocomposites considerably. Three different manufacturing methods were tested on the effectiveness of CNTs and the expected mechanism was proposed. The electrical conductive nanocomposites were obtained using the incompatibility between the polymers, the difference of affinity of the polymers to CNTs, an optimum processing condition, and a proper manufacturing method.
Keywords:electrical conductivity;screw speed;nanocomposites;carbon nanotube (CNT);percolation threshold
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