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Investigation of anticorrosive behaviour of novel

机译：小说防腐行为的调查

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摘要

The main focus of current research is on the synthesis and anticorrosive activity of novel heterocyclic compounds tert-butyl 4-[(4-methyl phenyl) carbonyl] piperazine-1-carboxylate [TBMPCPC]. Electrochemical, quantum chemical, and surface characterization studies at elevated temperatures (303–333 K) for carbon steel in 1M HCl solution studied this molecule's corrosion inhibition property. It is observed from the results of electrochemical studies that the TBMPCPC may be able to effectively protect the steel plate surface with an inhibition efficiency of 91.5 % at 25 ppm in corrosive media. The corrosion inhibition depends on concentration, as concentration also increases inhibition efficiency due to the strong and spontaneous adsorption on the metal's surface. The Tafel polarization measurements concluded that the inhibitor works as a mixed form to protect the carbon steel in the bulk solution from corrosion. The adsorption of the TBMPCPC onto the metal surface was in reliable with the isothermal model of the Langmuir adsorption. The scanning electron microscopy clearly showed that the inhibitor was substantially deposited on the metal surface, indicating substantial inhibition. The surface morphology of carbon steel in the absence and existence of an inhibitor in 1 M HCl is also studied using the Atomic Force Microscopic method.
机译：目前研究的主要重点是新型杂环化合物叔丁基4 - [（4-甲基苯基）羰基]哌嗪-1-羧酸盐[TBMPCPC]的合成和防腐蚀活性。在1M HCl溶液中碳钢升高温度（303-333k）的电化学，量子化学和表面表征研究研究了该分子的腐蚀抑制性能。从电化学研究的结果观察到，TBMPCPC可以能够在腐蚀性介质中有效地保护钢板表面以91.5％的抑制效率为91.5％。腐蚀抑制取决于浓度，因为由于金属表面的强烈和自发吸附，浓度也增加了抑制效率。 Tafel偏振测量得出结论认为抑制剂作为混合形式，以保护散装溶液中的碳钢免受腐蚀。 TBMPCPC对金属表面的吸附是可靠的朗米尔吸附的等温模型。扫描电子显微镜清楚地表明抑制剂基本上沉积在金属表面上，表明显着抑制。使用原子力微观方法还研究了在1M HCl中没有和存在于1M HCl中的抑制剂的情况下的表面形态。

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