Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Manufacturing of Polypropylene/Multiwalled Carbon Nanotube Composite Filaments via Melt Spinning

폴리프로필렌/탄소나노튜브 복합필라멘트 제조 및 특성분석

  • Park, Gi-Ryong (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Jeong, Young-Jin (Department of Organic Materials and Fiber Engineering, Soongsil University)
  • 박기룡 (숭실대학교 유기신소재.파이버공학과) ;
  • 정영진 (숭실대학교 유기신소재.파이버공학과)
  • Received : 2010.06.17
  • Accepted : 2010.08.04
  • Published : 2010.08.31
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Abstract

The properties of polypropylene (PP)/multi-walled carbon nanotubes (MWNTs) composite were examined. MWNTs were wrapped with polypropylene-graft-maleic anhydride (PP-g-MA) followed by functionalization with hydrogen peroxide ($H_2O_2$) for good dispersion in a PP matrix. The $H_2O_2$-treated MWNTs were characterized by Raman spectroscopy (RAMAN) and Elemental analysis (EA). These results suggest that hydroxyl groups were introduced to the nanotube surface. The homogeneously dispersed PP/MWNT nanocomposites were prepared by melt mixing using a twin-screw extruder. The SEM images of the neat MWNTs and functionalized MWNTs showed that the functionalized MWNTs had been dispersed well in the matrix whereas the neat MWNTs (N-MWNTs) aggregated. Thermal analysis and the stress-strain data showed that the well dispersed MWNTs in the PP matrix greatly enhanced the mechanical and thermal properties of polypropylene.

Keywords

References

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