College of Materials Science and Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou 350116, People's Republic of China.
Int J Biol Macromol. 2012 Dec;51(5):946-52. doi: 10.1016/j.ijbiomac.2012.07.027. Epub 2012 Aug 3.
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°C to 1200°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°C.
新型聚 N-乙基苯胺/木质素磺酸盐（PNA-LS）复合材料通过 N-乙基苯胺（NA）与木质素磺酸盐（LS）原位聚合制备，LS 作为分散剂。将 PNA-LS 复合材料在 300°C 至 1200°C 的热解温度下直接热解，得到含氮碳材料。采用 TGA、SEM、TEM、FTIR 和 UV-vis 光谱、XRD 和元素分析对所制备的 PNA-LS 复合材料及其碳材料进行了研究。结果表明，LS：NA 质量比决定了 PNA-LS 复合材料的形貌、结构和性能。当 LS：NA 质量比为 2.5:97.5 时，可以制备出平均直径为 1300nm 的 PNA-LS 微球，而当 LS：NA 质量比大于 5:95 时，则可以得到规则的六方片状 PNA-LS 复合材料。此外，在 800°C 的碳化温度下，可以得到平均直径为 820nm 的含氮碳纳米球。
