期刊
SYNTHETIC METALS
卷 162, 期 24, 页码 2329-2336出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2012.11.011
关键词
Polymers; Colloids; Nano-particles; Composite; Magnetic
资金
- China West Normal University Innovation Fund
In this paper, poly (p-phenylenediamine)-Fe3O4 (PpPD-Fe3O4) magnetic micro-composite was synthesized via chemical oxidation polymerization of p-phenylenediamine (pPD) monomers with (NH4)(2)S2O8 (APS) and Fe(NO3)(3) at room temperature. The results demonstrated that the morphologies of this magnetic micro-composite were varied by tuning the consistence of Fe(NO3)(3) in solution. The structures, morphologies and properties of the composites were characterized with IR, Raman spectroscopy, XRD, X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM), and flame atomic absorption spectrometry (FAAS). This magnetic composite showed excellent ability on absorption of Cr2O72-. This magnetic composite is low cost, easy to operate and separate from solution. The mechanism research shows that the chemical adsorption and physical adsorption exist at the same time in adsorption process. (C) 2012 Elsevier B.V. All rights reserved.
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