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Citation: HOU Hongying, LIU Xianxi, Philippe Knauth. Electrooxidation Behaviors of Sulfonated 4,4'-Biphenyl Diphenol[J]. Chinese Journal of Applied Chemistry, ;2013, 30(4): 444-447. doi: 10.3724/SP.J.1095.2013.20414 shu

Electrooxidation Behaviors of Sulfonated 4,4'-Biphenyl Diphenol

a. Faculty of Material Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;
b. Aix-Marseille Univ-CNRS, Laboratoire Chimie Provence(UMR 6264), Centre St Jérôme, 13397 Marseille, France;
c. Faculty of Mechanical and Electronic Engineering, Kunming University of Science and Technology, Kunming 650093, China

Received Date: 19 September 2012
Revised Date: 29 October 2012

The electrooxidative behaviors of sulfonated 4,4'-biphenyl diphenol were investated on the stainless steel electrode by electrochemical methods.The alternative current(AC) impedance responses of the electrolyte system between the electrodes before and after electrooxidation were also in situ monitored.The results show that the electrooxidation of sulfonated 4,4'-biphenyl diphenol is irreversible similar to those of other phenolic compounds,and the onset potential and peak potential are 0.95 V and 1.2 V,respectively.After electrooxidation,the corresponding AC impedance increases only by 0.27 Ω·cm²,possibly due to the formation of polymer film.This increase is slight,which is attributed to the double promoting effects of biphenol and sulfonated acid group.
- sulfonated biphenyl diphenol,
- cyclic voltammetry,
- chronoamperometry,
- AC impedance,
- electrooxidization
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