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Synthesis of polyaniline/MCM‐41 composite through surface polymerization of aniline
Author(s) -
Feng Xiaomiao,
Yang Gang,
Liu Yuge,
Hou Wenhua,
Zhu JunJie
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.23836
Subject(s) - polyaniline , composite number , materials science , adsorption , polymerization , thermal stability , fourier transform infrared spectroscopy , aniline , x ray photoelectron spectroscopy , chemical engineering , polymer chemistry , composite material , chemistry , polymer , organic chemistry , engineering
Polyaniline (PANI)/porous silica MCM‐41 (MCM‐41) composite was synthesized according to surface polymerization theory, and it was confirmed through comparing with PANI/solid silica (SiO 2 ) by TGA and XPS techniques. The morphology and composition of the composite were also characterized by some techniques such as small‐angle XRD, N 2 ‐adsorption isotherm, SEM, FTIR, and UV–vis. The thermal stability for the PANI/MCM‐41 composite was enhanced when compared with that of pure PANI. With the increase in the concentration of HCl, the doping degree increased and UV‐absorption peak at about 700 nm showed a red shift. The conductivity of the composite was enhanced by increasing the concentration of HCl. The results of FTIR showed that there was a strong interaction between PANI and MCM‐41. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 101: 2088–2094, 2006
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