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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of bi-modified amphoteric oligochitosan derivatives and electrochemical evaluation on anticorrosion performances
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Preparation of bi-modified amphoteric oligochitosan derivatives and electrochemical evaluation on anticorrosion performances

机译：双改性两性低聚壳聚糖衍生物的制备及电化学性能评价

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摘要

Four bi-modified amphoteric oligochitosan derivatives were synthesized chemically using quaternization, sulfonation, and carboxylation. The anticorrosion characteristics and mechanism of anticorrosion of these four oligochitosan derivatives on Q235 steel in 1.0 mol/L HCl solution were studied by potentiodynamic polarization and electrochemical impedance spectroscopy at constant temperature. The results suggest that these derivatives are hybrid corrosion inhibitors in which anodic inhibition predominates following the mechanism of adsorption film formation on the surface of the metal. They all have their own optimal dosages for anticorrosion application. Their inhibiting efficiencies are closely related to the nature and the amount of heteroatoms in their molecules. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41714.
机译：使用季铵化，磺化和羧化化学合成了四个双修饰的两性低聚壳聚糖衍生物。通过恒电位极化和电化学阻抗谱研究了这四种低聚壳聚糖衍生物在1.0 mol / L HCl溶液中对Q235钢的缓蚀特性和缓蚀机理。结果表明，这些衍生物是杂化腐蚀抑制剂，其中阳极抑制主要遵循金属表面上吸附膜形成的机理。对于防腐应用，它们都有自己的最佳剂量。它们的抑制效率与分子中杂原子的性质和数量密切相关。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41714。

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