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首页> 外文期刊>Applied Surface Science >Synthesis, characterization, and corrosion protection properties of poly(N-(methacryloyloxymethyl) benzotriazole-co-methyl methacrylate) on mild steel
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Synthesis, characterization, and corrosion protection properties of poly(N-(methacryloyloxymethyl) benzotriazole-co-methyl methacrylate) on mild steel

机译：低碳钢上聚（N-（甲基丙烯酰氧基甲基）苯并三唑-甲基丙烯酸甲酯）的合成，表征和耐腐蚀性能

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摘要

The copolymers from different feed ratios of N-(methacryloyloxymethyl) benzotriazole (MMBT) and methyl methacrylate (MMA) has been synthesised using free radical solution polymerization technique and characterized using FT-IR and ~(13)C NMR spectroscopy. The thermal stability of the polymers was studied using theremogravimetrtic analysis (TGA). The corrosion behaviors of mild steel specimens dip coated with different composition of copolymers have been evaluated by potentiodynamic polarization and electrochemical impedance spectroscopic (EIS) method. These electrochemical properties were observed in 0.1 M HCl medium. The polarization and impedance measurements showed different corrosion protection efficiency with change in composition of the copolymers. It was found that the corrosion protection properties are owing to the barrier effect of the polymer layer covered on the mild steel surfaces. However, it was observed that the copolymer obtained from 1:1 mole ratio of MMBT and MMA exhibited better protection efficiency than other combinations.
机译：使用自由基溶液聚合技术合成了N-（甲基丙烯酰氧基甲基）苯并三唑（MMBT）和甲基丙烯酸甲酯（MMA）不同进料比的共聚物，并使用FT-IR和〜（13）C NMR光谱进行了表征。使用热重分析（TGA）研究了聚合物的热稳定性。通过电位动力学极化和电化学阻抗谱（EIS）方法评估了浸涂有不同共聚物组成的低碳钢试样的腐蚀行为。在0.1 M HCl介质中观察到这些电化学性质。极化和阻抗测量结果表明，随着共聚物组成的变化，腐蚀防护效率也有所不同。发现腐蚀防护性能归因于覆盖在低碳钢表面上的聚合物层的阻挡作用。然而，观察到由1：1摩尔比的MMBT和MMA获得的共聚物表现出比其他组合更好的保护效率。

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