Anticorrosive properties of 3-hydroxy-7-isocyano-8-phenyl-2-(ptolyl) pyrimido[2,1-b][1,3]thiazine-4,6-dione on carbon steel in 1.0 M HCl Solution

M. Larouj; M. Belayachi; H. Zarrok; A. Zarrouk; A. Guenbour; M. Ebn Touhami; A. Shaim; S. Boukhriss; H. Oudda; B. Hammouti

首页> 外文期刊>Der Pharma Chemica: journal for medicinal chemistry, pharmaceutical chemistry and computational chemistry >Anticorrosive properties of 3-hydroxy-7-isocyano-8-phenyl-2-(ptolyl) pyrimido[2,1-b][1,3]thiazine-4,6-dione on carbon steel in 1.0 M HCl Solution

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Anticorrosive properties of 3-hydroxy-7-isocyano-8-phenyl-2-(ptolyl) pyrimido[2,1-b][1,3]thiazine-4,6-dione on carbon steel in 1.0 M HCl Solution

机译：3-羟基-7-异氰基-8-苯基-2-（戊基）嘧啶基[2,1-b] [1,3]噻嗪-4,6-二酮在1.0 M HCl溶液中的防腐性能

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Electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PDP) studies were carried out to investigate the comparative corrosion protection efficiency of 3-hydroxy-7-isocyano-8-phenyl-2-(ptolyl) pyrimido[2,1-b][1,3]thiazine-4,6-dione (HPPTD) on carbon steel in 1.0 M HCl. EIS plots indicated that the addition of this inhibitor increases the charge-transfer resistance (Rct), decreases the double-layer capacitance (Cdl) of the corrosion process, and hence increases inhibition performance. At 303 K, polarization measurements indicated that this compound is mixed-type inhibitor. Moreover, the thermodynamic activation parameters for the corrosion reaction were calculated and discussed in relation to the stability of the protective inhibitor layer. The adsorption of the studied pyrimidothiazine derivative obeyed the Langmuir adsorption isotherm.

机译：为了研究3-羟基-7-异氰基-8-苯基-2-（戊基）嘧啶基[2,1-b] []的比较腐蚀防护效率，进行了电化学阻抗谱（EIS）和电位动力学极化（PDP）研究。在1.0 M HCl中的碳钢上的1,3]噻嗪-4,6-二酮（HPPTD）。 EIS图表明，这种抑制剂的加入增加了电荷转移电阻（Rct），降低了腐蚀过程的双层电容（Cdl），因此增加了抑制性能。在303 K下，极化测量表明该化合物是混合型抑制剂。此外，针对保护性抑制剂层的稳定性计算并讨论了用于腐蚀反应的热力学活化参数。所研究的嘧啶并噻嗪衍生物的吸附遵循Langmuir吸附等温线。

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《Der Pharma Chemica: journal for medicinal chemistry, pharmaceutical chemistry and computational chemistry》 |2014年第3期|共12页
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M. Larouj; M. Belayachi; H. Zarrok; A. Zarrouk; A. Guenbour; M. Ebn Touhami; A. Shaim; S. Boukhriss; H. Oudda; B. Hammouti;
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机译：4-氨基-2-（4-氯苯基）-8-（2,3-二甲氧基苯基）-6-氧代-2,6-二氢嘧啶2,1-b 1，1，腐蚀抑制的实验和理论研究1， 3 1.0M HCl溶液中碳钢上的噻嗪-3,7-二羰基腈

Anticorrosive properties of 3-hydroxy-7-isocyano-8-phenyl-2-(ptolyl) pyrimido[2,1-b][1,3]thiazine-4,6-dione on carbon steel in 1.0 M HCl Solution

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