Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 126, Issue 3, Pages 974-979Publisher
WILEY-BLACKWELL
DOI: 10.1002/app.36642
Keywords
SiO2; polypyrrole; composite; hollow microsphere
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Funding
- K. C. Wong Magna Fund in Ningbo University
- Scientific Research Foundation of Ningbo University [xkl09073]
- Research Foundation for Advanced Talents of Ningbo University [RCL2008003]
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Methacrylic acid was polymerized on the 3-(methacryloxy)propyl trimethoxysilane-modified silica core. The carboxylic acid groups of polymethacrylic acid (PMAA) not only provide the active-sites for growth of the pyrrole monomers but also act as doping acids for polypyrrole (PPy). By in situ polymerization route, SiO2/PMAA/PPy multilayer composites and hollow PPy microspheres with controllable shell thickness were fabricated. The morphologies, sizes, and structures of the nanocomposites were investigated in detail by transmission electron microscopy, scanning electron microscopy, Fourier-transform infrared spectra, X-ray photoelectron spectroscopy, and thermogravimetric analysis. (c) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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