Citation: S. Rafiei, B. Noroozi, Sh. Arbab, A.K. Haghi. Characteristic Assessment of Stabilized Polyacrylonitrile Nanowebs for the Production of Activated Carbon Nano-Sorbents[J]. Chinese Journal of Polymer Science, ;2014, 32(4): 449-457. doi: 10.1007/s10118-014-1410-4 shu

Characteristic Assessment of Stabilized Polyacrylonitrile Nanowebs for the Production of Activated Carbon Nano-Sorbents

S. Rafiei ¹ ,
B. Noroozi ^1,, ,
Sh. Arbab ¹ ,
A.K. Haghi ¹

1.
Department of Textile Engineering, University of Guilan, P.O. Box 41635-3756, Rasht, Iran

Corresponding author: B. Noroozi,
Received Date: 4 July 2013
Revised Date: 2 September 2013

Polyacrylonitrile (PAN) nanofibers with average diameter of 300 nm were produced by electro-spinning. The nanofibers were stabilized at different temperatures in the range of 180-270 ℃ in several duration times and heating rates. Fourier transforms infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC) and X-ray diffraction (XRD) analyzing techniques were employed to measure the extent of stabilization reaction. By all procedures, the ranges of temperature and duration time recommended were about 250-270 ℃ and 1-2 h, respectively. Increasing the activation temperature from 800 ℃ to 1200 ℃ caused porosity and pore volume development up to 60% and 0.532 cm3/g, respectively. Pore width of all samples was calculated to be about 0.7 nm confirming micro-pore structure of the produced PAN based activated carbon nanofibers. Comparing dye adsorption for different adsorbents including chitin and granular activated carbon (GAC) showed the highest efficiency for the produced activated carbon nanofibers (ACNFs).
- Polyacrylonitrile,
- Electro-spinning,
- Stabilization,
- Activated carbon nanofibers,
- Adsorbent
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