Abstract
Polyacylonitrile (PAN)/β-cyclodextrin (β-CD) composite nanofiber membranes were prepared by electrospinning. The surface morphology of PAN/β-CD composite nanofibers was observed by scanning electron microscope (SEM), the structure of the composite nanofibers was analyzed by Fourier transform infrared spectroscopy (FTIR)and X-ray diffraction (XRD), and the adsorption behavior of the composite nanofiber membranes to neutral red was studied by UV-Vis spectra. The results show that PAN/β-CD composite nanofibers have smooth surface and even diameter. β-CD, retaining its cavity structure, distributes in PAN nanofibers matrix evenly in the range studied. The adsorption rate is as high as 78.0% when the mass fraction of PAN and β-CD is 10% and 4%, respectively. The adsorption process of neutral red into PAN/β-CD nanofiber membranes is spontaneous and consistent with the Langmuir isothermal adsorption equation.
| Original language | English |
|---|---|
| Pages (from-to) | 5-9 |
| Number of pages | 5 |
| Journal | Hecheng Shuzhi Ji Suliao/China Synthetic Resin and Plastics |
| Volume | 32 |
| Issue number | 3 |
| Publication status | Published - 25 May 2015 |
Keywords
- Electro-spinning
- Isothermal adsorption
- Polyacylonitrile
- β-cyclodextrin
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