Journal
SYNTHETIC METALS
Volume 162, Issue 15-16, Pages 1459-1463Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2012.06.012
Keywords
Polyaniline; Mesoporous silica; PP porous membrane; Composite membrane
Funding
- Natural Science Foundation (NSF) of China [21103122]
- Science Developing Foundation of Tianjin Education Committee [20060514]
- Natural Science Foundation from Tianjin University of Science and Technology [20070415]
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Flexible mesoporous-silica/polypropylene (PP) composite membrane has been prepared by undertaking co-assemblies of surfactants and inorganic sol-gel processes inside pores of porous PP membrane. Aniline monomer was introduced in the mesopores of the above composite membrane and polymerized therein. Then flexible conductive polyaniline (PANI)-silica/PP composite membrane was synthesized. The conductivity of these functional membranes could be tuned within a certain range. And their mechanical properties were much better than porous PP membrane, even silica/PP membrane because that the PANI interspersed into the membrane and formed interpenetrating network structure, which acted as numerous stitches between the PP and silica. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were employed to investigate the morphologies of these functional composite membranes. Dynamic mechanical analyzer (DMA) was used to investigate the mechanical properties. (C) 2012 Elsevier B.V. All rights reserved.
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