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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Electrosynthesis of Poly(azure B) from Sulfuric Acid Solution
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Electrosynthesis of Poly(azure B) from Sulfuric Acid Solution

机译:由硫酸溶液电合成聚(天青B)

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摘要

Electrochemical polymerization of azure B from sulfuric acid solution was carried out by using cyclic voltammetry. The electrolytic solution consisted of 5.0 mmol · dm-3 azure B and 0.3 mol · dm-3 H2SO4. The temperature for polymerization was controlled at 20°C. A blue film, i.e., poly(azure B) was formed on a platinum foil and had a electrochemical reversibility, stability and a fast charge transfer ability in the 0.5 mol · dm-3 Na2SO4 with pH 4.0 solution. The currents of both anodic and cathodic peaks are proportional to 1/2 at the scan rate () region of 25 and 600 mV · s-1 on the cyclic voltammograms. The conductivity of poly(azure B) is 2.8×10-6 S · cm-1 at 20°C. The UV-visible spectrum and Raman spectrum of the polymer are different from those of the monomer. A possible polymerization mechanism of azure B was also proposed.
机译:使用循环伏安法从硫酸溶液中进行天青B的电化学聚合。电解液由5.0 mmol·dm-3天蓝色B和0.3 mol·dm-3 H2SO4组成。聚合温度控制在20℃。在铂箔上形成蓝色膜,即聚(天青B),在pH值为4.0的0.5 mol·dm-3 Na2SO4中具有电化学可逆性,稳定性和快速的电荷转移能力。在循环伏安图上,在25和600 mV·s-1的扫描速率()区域,阳极和阴极峰的电流都与1/2成正比。聚(天青B)在20°C下的电导率为2.8×10-6 S·cm-1。聚合物的UV-可见光谱和拉曼光谱与单体的不同。还提出了可能的天青B的聚合机理。

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