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Effect of manufacturing condition in PC/PMMA/CNT nanocomposites extrusion on the electrical, morphological, and mechanical properties

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Abstract

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.

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Authors and Affiliations

  1. Applied Rheology Center, Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 121-742, Republic of Korea

    Jutae Park & Jae Wook Lee

  2. Division of Chemical Engineering, Dankook University, Yongin, 448-701, Republic of Korea

    Sangmook Lee

Authors
  1. Jutae Park
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  2. Sangmook Lee
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  3. Jae Wook Lee
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Correspondence to Sangmook Lee or Jae Wook Lee.

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Park, J., Lee, S. & Lee, J.W. Effect of manufacturing condition in PC/PMMA/CNT nanocomposites extrusion on the electrical, morphological, and mechanical properties. Korea-Aust. Rheol. J. 27, 55–62 (2015). https://doi.org/10.1007/s13367-015-0007-y

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  • DOI: https://doi.org/10.1007/s13367-015-0007-y

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