Abstract
Highly conductive mixtures of polymethacrylate of methyl and polyaniline doped by the malic acid (PMMA/PANI-MA) with very low amount of polyaniline (PANI-MA) were obtained by interfacial in situ polymerization in a continuous organic phase; in the presence of poly (methyl methacrylate) (PMMA). The interfacial polymerization was realized in the biphasic organic and aqueous phases with the aniline as monomer dissolved in acetonitrile, malic acid (MA) as dopant, the ammonium persulfate (APS) as an oxidant agent dissolved in the distilled water and PMMA as matrix dissolved in the chloroform. The PMMA was prepared by emulsion in the presence of sodium dodecyl sulfonic (SDS) surfactant and APS initiator. The obtained samples were analyzed by various characterization techniques as infrared spectroscopy (FTIR, ATR), thermal analysis (TGA, DSC), scanning electron microscope, X-ray diffraction measurement, nuclear magnetic resonance NMR and four-probe electrical conductivity measurements. These composites combining conductive properties of PANI-MA and optical properties of PMMA are promising candidates for applications in the field of environmental application such as gas detection and also as optoelectronic fibers.
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