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Preparation of Conductive PANI/Modified CIP Composites via In Situ Polymerization
Abstract:
A conductive PANI/CIP composite with core/shell structure was prepared by in-situ polymerization of Aniline(Ani). In order to reduce the acid corrosion on carbonyl iron powders(CIP) in polymerization of Ani, the surface of CIP was modified by (3-aminopropyl)-triethoxysilane (APTES) before the polymerization. The influences of modification on Ani polymerization, the morphology changes of core/shell structure and conductivity of PANI/CIP composites were characterised and discussed. The results show that after CIP modified by APTES, the reaction process of Ani polymerization is more stable; the PANI particles on the surface of CIP are smaller, and more uniform and more compact; The coating effect of PANI on the surface of CIP is significantly improved; The composite conductivity changes slightly with the modification.
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295-299
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Online since:
July 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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