Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Highly Homogeneous Carbon Nanotube-Polycaprolactone Composites with Various and Controllable Concentrations of Ionically-Modified-MWCNTs

  • Lee, Hae-Hyoung (Department of Biomaterials Science, School of Dentistry, Dankook University) ;
  • Shin, Ueon-Sang (Biomaterials and Tissue Engineering Lab., Department of Nanobiomedical Science & WCU Research Center, Dankook University) ;
  • Jin, Guang-Zhen (Institute of Tissue Regeneration Engineering (ITREN), Dankook University) ;
  • Kim, Hae-Won (Department of Biomaterials Science, School of Dentistry, Dankook University)
  • Received : 2010.06.18
  • Accepted : 2010.11.03
  • Published : 2011.01.20
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Abstract

For the fabrication of multifunctional biopolymer nanocomposites in the combination of carbon nanotubes (CNTs), recently increasing attention has been paid to an effective homogenization of CNTs within polymer matrices and a fine tuning of the concentration. We developed an efficient method to produce homogeneous CNT-polycaprolactone nanocomposites with various and controllable CNT concentrations using an ionically-modified multi-walled CNT, MWCNT-Cl. The modified MWCNTs could be homogeneously dispersed in tetrahydrofuran (THF). Polycaprolactone (PCL) as a biodegradable and biocompatible polymer was smoothly dissolved in the homogeneous MWCNT-Cl/THF solution without agglomeration of MWCNT-Cl. The physicochemical and mechanical properties of the resultant nanocomposites were examined and the biological usefulness was briefly assessed.

Keywords

References

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