Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Rheological Properties and Electrospinning of PVA/CNT Aqueous Solution

PVA/탄소나노튜브 복합수용액의 유변학적 특성과 전기방사특성에 관한 연구

  • Kim, Seoung-Hoon (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Wang, Xiao (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Lee, Sang-Cheol (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Min, Byung-Gil (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology)
  • 김성훈 (금오공과대학교 신소재시스템공학부) ;
  • 왕샤오 (금오공과대학교 신소재시스템공학부) ;
  • 이상철 (금오공과대학교 신소재시스템공학부) ;
  • 민병길 (금오공과대학교 신소재시스템공학부)
  • Published : 2006.10.31
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Abstract

Aqueous solutions of poly(vinyl alcohol)(PVA) containing single-walled carbon nanotube (SWNT) and multi-walled carbon nanotube (MWNT) were prepared by using surfactants and sonication. It was found that the solution viscosities are significantly dependent on types and amount of surfactant and nanotubes. Sodium dodecylbenzene suifonate (NaDDBS) was most effective in dispersing SWNT in water by showing that highest viscosity of PVA/SWNT aqueous solution. The viscosity of PVA/CNT aqueous solution increased with increasing of sonication time implying the exfoliation of CNT However, the viscosity decreased at the additional sonication due to breaking of nanotubes in length. PVA/SWNT aqueous solution showed much higher viscosity than PVA/MWNT solution due to the increase of specific surface area and entanglement by exfoliation of SWNT rope to the individual nanotube. The PVA/SWNT solution exhibited good spinnability in electrospinning.

Keywords

References

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