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Doped conductive polymers possess inherent electrical conductivity, surpassing insulating materials and approaching metallic levels. These polymers, often termed synthetic metals, feature conjugated bonds along their chains and high charge mobility. The conductivity arises from electron movement in π bonds along the polymer chain, resulting in notable optical and electronic properties. Polyaniline, a prominent example of intrinsically conductive polymers, finds applications in electromagnetic wave absorption, water decomposition, and anti-corrosion coatings.
At Mahan Sanat Company, extensive research was conducted to produce nano-scale polyaniline. We focused on dopants and synthesis techniques, employing a compression polymerization method to transform aniline into a conjugated polymer. Special oxidants and initiators were selected to facilitate nano-scale synthesis, optimizing properties such as band gap and chain length. This research addressed how oxidant rates impact polymer characteristics—shorter chains offer better electromagnetic wave insulation, while longer chains provide enhanced corrosion resistance.
The successful synthesis of nano polyaniline is influenced by reactor conditions, ion availability, and oxidant addition. Achieving uniform synthesis with desirable properties remains challenging, and managing these parameters is crucial for efficient production and high consumption volumes.
