1994
DOI: 10.1002/pola.1994.080321304
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Temperature effect on conducting polyaniline salts: Thermal and spectral studies

Abstract: SYNOPSISFive different polyaniline salts have been prepared by chemical polymerization of aniline in aqueous solution of different acids. Polyaniline samples have been heat treated at four different temperatures (150, 200, 275, and 375°C) and characterized by electron paramagnetic, electronic absorption, and infrared spectral measurements. Thermal stabilities of the chemically synthesized polyaniline salts have been studied by thermal analysis and spectral methods. Polyaniline salts undergo a three-step weight… Show more

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Cited by 127 publications
(75 citation statements)
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“…This step was due to the degradation of the skeletal bipolymer chain structure after the elimination of the dopant. 41 According to the initial decomposition temperature, among the polyalkylanilines, POT had the highest decomposition temperature (228°C). However, among the composites, PA6/POT had the highest decomposition temperature (217°C).…”
Section: Resultsmentioning
confidence: 99%
“…This step was due to the degradation of the skeletal bipolymer chain structure after the elimination of the dopant. 41 According to the initial decomposition temperature, among the polyalkylanilines, POT had the highest decomposition temperature (228°C). However, among the composites, PA6/POT had the highest decomposition temperature (217°C).…”
Section: Resultsmentioning
confidence: 99%
“…It was then added dropwise with continuous magnetic stirring, and the solution was left at rest to polymerize for 24 h at 0 C. The samples were collected on a filter and washed with acetone, ethanol, and water to remove the monomer, oligomer, and excess oxidant. The samples were dried in an oven at 40 C overnight. Samples marked as A, B, and C were PANI, CuCl 2 -doped PANI, and CoCl 2 -doped PANI, respectively.…”
Section: Synthesis Of Panimentioning
confidence: 99%
“…In this final step, the skeletal polyaniline chain structure decomposes after the elimination of the dopant from the polymer structure. 33 In decompositions occurring at two-step, the first weight loss step is due to the expulsion of water molecules from the polymer structure. The second degradation between 195 and 327°C was composed of polymer salt.…”
mentioning
confidence: 99%