Cure behavior of the liquid-crystalline epoxy/carbon nanotube system and the effect of surface treatment of carbon fillers on cure reaction

Joonwon Bae, Jyongsik Jang, Seong Ho Yoon

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

The FT-IR spectra of carbon nanotubes (CN) and oxidated carbon nanotubes were obtained using diffuse reflection Fourier-transform infrared (DRIFT) spectroscopy. The cure behavior of the liquid-crystalline epoxy (LCE)/CN and the LCE/carbon black (CB) systems were investigated. The effect of surface treatment of the carbon nanotube on the cure behavior in the LCE/CN system was investigated with differential scanning calorimetry (DSC), and was compared with those of the CB. The heat of cure in the LCE/CN system was higher than that in the LCE/CB system. The activation energy was dependent on the concentration of the curing agent. The activation energies for the cure reaction were decreased as a result of surface treatment of carbon materials. It was possible to promote the curing reaction by the surface treatment of the carbon nanotube without decreasing the heat of cure. The isothermal kinetic parameters were obtained from the Kamal equation.

Original languageEnglish
Pages (from-to)2196-2204
Number of pages9
JournalMacromolecular Chemistry and Physics
Volume203
Issue number15
DOIs
Publication statusPublished - Oct 31 2002

Fingerprint

Carbon Nanotubes
surface treatment
fillers
Surface treatment
Fillers
Carbon nanotubes
Carbon
carbon nanotubes
Crystalline materials
Soot
carbon
Liquids
liquids
Carbon black
curing
Curing
Activation energy
activation energy
heat
Kinetic parameters

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Cure behavior of the liquid-crystalline epoxy/carbon nanotube system and the effect of surface treatment of carbon fillers on cure reaction. / Bae, Joonwon; Jang, Jyongsik; Yoon, Seong Ho.

In: Macromolecular Chemistry and Physics, Vol. 203, No. 15, 31.10.2002, p. 2196-2204.

Research output: Contribution to journalArticle

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AB - The FT-IR spectra of carbon nanotubes (CN) and oxidated carbon nanotubes were obtained using diffuse reflection Fourier-transform infrared (DRIFT) spectroscopy. The cure behavior of the liquid-crystalline epoxy (LCE)/CN and the LCE/carbon black (CB) systems were investigated. The effect of surface treatment of the carbon nanotube on the cure behavior in the LCE/CN system was investigated with differential scanning calorimetry (DSC), and was compared with those of the CB. The heat of cure in the LCE/CN system was higher than that in the LCE/CB system. The activation energy was dependent on the concentration of the curing agent. The activation energies for the cure reaction were decreased as a result of surface treatment of carbon materials. It was possible to promote the curing reaction by the surface treatment of the carbon nanotube without decreasing the heat of cure. The isothermal kinetic parameters were obtained from the Kamal equation.

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