Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 51, Issue 5, Pages 946-952Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2012.07.027
Keywords
Lignosulfonate; Poly(N-ethylaniline); Pyrolysis; Nitrogen-containing; Carbon microspheres
Funding
- Natural Science Foundation of Fujian Province, China [2012J01201]
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Novel poly(N-ethylaniline)/lignosulfonate (PNA-LS) composites were prepared via an in situ polymerization of N-ethylaniline (NA) with lignosulfonate (LS) as a dispersant. Nitrogen-containing carbon materials were obtained by direct pyrolysis of the PNA-LS composites at the pyrolytic temperatures ranging from 300 degrees C to 1200 degrees C. The as-prepared PNA-LS composites and their carbon materials were investigated by TGA, SEM, TEM, FTIR and UV-vis spectra, XRD and elemental analysis. The results showed that the morphology, structure and properties of the PNA-LS composites were depended on the LS:NA mass ratio. PNA-LS microspheres with an average diameter of 1300 nm could be fabricated when the LS:NA mass ratio was 2.5:97.5, while regular hexagon sheets of PNA-LS composite were obtained with the LS:NA mass ratio above 5:95. Furthermore, nitrogen-containing carbon nanospheres with an average diameter of 820 nm were achieved at the carbonization temperature of 800 degrees C. (c) 2012 Elsevier B.V. All rights reserved.
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