Copolymer of conductive polyaniline and m-aminophenol and its synthesis process

A technology of m-aminophenol and conductive polymer, applied in the polymer field, can solve the problems of low conductivity and loss of electrochemical activity, etc., and achieve the effect of convenient control
CN1810850AInactive Publication Date: 2006-08-02YANGZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANGZHOU UNIV
Publication Date
2006-08-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention is aniline-m-aminophenol copolymer as one kind of conductive polymer and its synthesis. Inside an electrolytic bath with Pt electrode or C electrode, aniline, m-aminophenol and sulfuric acid or hydrochloric acid are electrolyzed to obtain the conductive polymer, aniline-m-aminophenol copolymer, which is washed with dilute hydrochloric acid solution and dried. The conductive polymer has excellent characteristic similar to that of polyaniline, and capacity of maintaining high chemical activity in strong acid solution and pH 1.0-11.0 sodium sulfate solution. When the pH value of the copolymer raises from 5.0 to 11.0, it has chemical activity lowered to 58.3 %. The copolymer has wide application potential range,(-0.2 to 0.80 Vú¼vs.SCE), conductivity of 0.8-1.4S / cm, and lower dependence on pH value.
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Description

technical field

[0001] The invention relates to the technical field of a high polymer with conductive properties Background technique

[0002] Among conductive polymers, polyaniline is the most attractive. This is because polyaniline has high electrical conductivity, redox reversibility, the color of the film can change rapidly with potential, and it is very stable in aqueous solution and air. These properties are suitable for applications in storage batteries, electrocatalysis, electrochromism, and photoelectric conversion. In addition, polyaniline is easy to synthesize and low in cost. However, the above properties are affected by pH, which limits its application to a certain extent, because at pH > 4, polyaniline almost completely loses its electrochemical activity, and its conductivity becomes very low. . Therefore, the pH characteristic of polyaniline is a key factor controlling the properties and applications of polyaniline. Contents of the invention

[0003] ...

Claims

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