in-situ UV-VISIBLE SPECTROELECTROCHEMICAL INVESTIGATIONS ON THE DEGRADATION OF ANILINE IN POLYMERIZATION PROCESS

JIANG Chunming; ZHANG Hanchang; BAI Ruke

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in-situ UV-VISIBLE SPECTROELECTROCHEMICAL INVESTIGATIONS ON THE DEGRADATION OF ANILINE IN POLYMERIZATION PROCESS

Research Article | 更新时间：2021-03-19

- in-situ UV-VISIBLE SPECTROELECTROCHEMICAL INVESTIGATIONS ON THE DEGRADATION OF ANILINE IN POLYMERIZATION PROCESS
- Acta Polymerica Sinica Issue 5, Pages: 684-687(2004)
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- Published：20 October 2004，
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JIANG Chunming, ZHANG Hanchang, BAI Ruke. in-situ UV-VISIBLE SPECTROELECTROCHEMICAL INVESTIGATIONS ON THE DEGRADATION OF ANILINE IN POLYMERIZATION PROCESS. [J]. Acta Polymerica Sinica (5):684-687(2004)
DOI：

JIANG Chunming, ZHANG Hanchang, BAI Ruke. in-situ UV-VISIBLE SPECTROELECTROCHEMICAL INVESTIGATIONS ON THE DEGRADATION OF ANILINE IN POLYMERIZATION PROCESS. [J]. Acta Polymerica Sinica (5):684-687(2004) DOI：

摘要

用电化学及光谱电化学研究了硫酸溶液中苯胺在玻碳电极上的聚合降解过程

在- 0.2～1.0V电位范围

循环伏安图显示了四对氧化还原峰 .通过比较聚苯胺 (PAn)膜在硫酸空白溶液和含对氨基苯酚 (PAP)的硫酸溶液中的循环伏安曲线及电化学聚合时溶液的紫外-可见吸收光谱

证明了PAn膜的降解产物PAP的存在

同时原位现场紫外-可见吸收光谱法初步研究了苯胺聚合降解的动力学过程.

Abstract

The degradation process of aniline on glassy carbon electrode during polymerization was investigated by electrochemistry and spectrum electrochemistry．Cyclic voltammograms showed four redox peaks within the potential limit of -0.2 to 1.0 V．The cyclic voltammetric curves of the PAn films in H2SO4 aqueous solution with／without containing PAP were compared

and the absorbance of the aniline electrolyte during polymerization was in situ measured by UV-Visible absorption spectrum．The results displayed the existence of PAP

which was the degradation product of the PAn films．The kinetic degradation process of aniline during polymerization was also in situ preliminarily investigated by UV-Visible absorption spectrum．

关键词

苯胺对氨基苯酚紫外可见吸收光谱电化学

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