Wang Shenglong, W. Fosong, Ge Xiaohui
Oct 1, 1986
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Influential Citations
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Journal
Synthetic Metals
Abstract
Abstract Chemical polymerization of m -toluidine, o -chloroaniline and nitroaniline has been studied, and characterization of the resulting polymers performed by DSC, X-ray, i.r., XPS and conductivity measurements. It is found that the substituted group of aniline affects not only the polymerization reaction, but also the properties of the polymers obtained. The polymerization conditions, such as the pH value of the polymerization solution, have a certain influence on the polymer yield and its conductivity. The solubility of polymers of substituted aniline (SPA n ) is similar to that of polyaniline. The results on X-ray diffraction of SPA n reveal that the substituted group has some effect on the regularity of the polymers. DSC measurements show the existence of an endothermic peak as a disordering of the regular segments. The spin concentration of SPA n increases with increasing conductivity of the polymers to a certain degree. On the basis of the XPS and doping reaction of SPA n , a possible structure of the conducting polymer is proposed.