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Conducting polymer/poly(amic acid) composites were synthesized by casting poly(amic acid) (PAAc)film onto the surface of stainless steel followed by electrochemical deposition of polypyrrole. Polypyrrole/polyimide (PPy/PI) composites were also formed by preimidizing the polyamic acid film prior to electrodeposition of PPy. The electrical resistance of the bottom side of PPy/PAAc composite (2.3 Ωcm)...
The electrodeposition of polypyrrole coatings on aluminum was carried out by cyclic voltammetry using oxalic acid as the electrolyte. The cyclic voltammograms show an anodic peak at around 0.0V vs. SCE for very high scan rates (750mV/s) at shorter cycles. With the increase in number of cycles (>10), the presence of this peak is no longer visible. This peak is related to the adsorption and oxidation...
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