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首页> 外文期刊>Corrosion Engineering, Science and Technology >Electrochemical synthesis of poly (aniline-co-o-anisidine) coatings on brass: corrosion protection properties
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Electrochemical synthesis of poly (aniline-co-o-anisidine) coatings on brass: corrosion protection properties

机译：黄铜上聚（苯胺-共-邻-茴香胺）涂层的电化学合成：防腐性能

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摘要

Poly (aniline-co-o-anisidine) films were coated on Cu-40% brass electrodes using cyclic voltammetric conditions in a sodium oxalate solution with 0·06M aniline and 0·06M o-anisidine monomers at applied scan rates of 20 and 50 mV s−1. Using this procedure, the surface of the electrodes was clearly covered with a black copolymer layer of strongly adherent homogeneous characteristics. In order to evaluate the corrosion performance of copolymer coated (CuZn/PANI-co-POA) and uncoated electrodes in 3·5%NaCl, AC electrochemical impedance spectroscopy, anodic polarisation plots and open circuit potential-time curves were used. The copolymer films exhibited significant protection efficiency against the attack of corrosive agents and reduced drastically the corrosion rate of the brass.
机译：在20％和50％的应用扫描速率下，在含有0·06M苯胺和0·06M邻氨基苯甲酸酯单体的草酸钠溶液中，采用循环伏安条件，在Cu-40％黄铜电极上涂覆聚（苯胺-co-o-茴香胺）薄膜。 mV s -1 。使用该程序，电极表面清楚地被具有强烈粘附的均匀特性的黑色共聚物层覆盖。为了评估涂覆的共聚物（CuZn / PANI-co-POA）和未涂覆的电极在3.5％NaCl中的腐蚀性能，使用交流电化学阻抗谱，阳极极化图和开路电势-时间曲线。共聚物膜对腐蚀剂的侵蚀显示出显着的保护效率，并且大大降低了黄铜的腐蚀速率。

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