Preparation of Conductive Materials for Smart Clothing: Doping and Composite of Conducting Polymer
Polyaniline(PANI) is a conjugated conducting polymer which can be doped by either protonation with a protonic acid or by charge transfer with an oxidation agent. The p-type polyaniline was obtained by a protonic acid doping while the n-type polyanilne was produced by doping a strong reductant. The p-type polyaniline was stable in moisture at the room temperature unlike the n-type polyaniline. In spite of CNTs excellent capability in electrical and mechanical improvements, it has been repeatedly pointed out that the phase separation between the polymer matrix and CNTs leads to very limited applications. In this research, CNTs were pre-treated by a concentrated nitric acid which produced carboxylic acid groups at the defect sites for improving the dispersion ability in the PANI matrix.
Keywordspolyaniline carbon nanotube doping
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