Characterization and transport properties of Nafion/Polyaniline composite membranes

Article Abstract:

Nafion membranes were first used in the chlor-alkali industry for electrodialysis process that was modified by chemical polymerization of aniline using ammonium peroxodisulfate as the oxidant. Their transport properties were evaluated by conductivity and electrodialysis measurements and were extensively characterized using scanning electron microscopy (SEM), atomic force microscopy (AFM), infrared (FTIR-ATR) and X-ray photoelectron spectroscopy (XPS) differential scanning calorimetry (DSC) and ion exchange capacity measurements.

Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Aniline, Electron transport, Sulfates, Ammonium compounds, Ammonium chloride, Ammonium paratungstate, Ammonium salts

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Structural and spectroscopic properties of pure and doped [Ba.sub.6][Ti.sub.2][Nb.sub.8][O.sub.30] tungsten bronze

Article Abstract:

Pure and doped [Ba.sub.6][Ti.sub.2][Nb.sub.8][O.sub.30] (BTN) obtained by substituting M=Cr, Mn or Fe on the Ti site and Y and Fe on the Ba and Ti sites, respectively are synthesized. The tungsten bronze BTN framework displays a sponge like behavior related to the availability of the different cationic sites to host suitable doping ions without modifying the cell volume and structure.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Barium Compounds, Chemical synthesis

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Novel polyaniline/titanium nitride nanocomposite: Controllable structures and electrical/electrochemical properties

Article Abstract:

The preparation of a new class of polyaniline (PANI)/titanium nitride (TiN) nanocomposites by in situ chemical polymerization in the presence of TiN nanoparticles is presented. The structural difference is used to explain the different activation energies for the conductance process in emeraldine base (EB)/TiN composites.

Observations, Transmission electron microscopes

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