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Evaluation of cathodic disbondment of epoxy coating containing azole compounds

机译：含唑化合物的环氧涂料的阴极剥离评价

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Cathodic disbonding of the epoxy coatings on the mild steel was evaluated in 3.5% NaCl solution, where benzimidazole, benzothiazole and benzotriazole were used as additives in the coatings. Also, the electrochemical behavior of coatings delaminating in NaCl solution from a small artificial defect and the bare mild steel samples in the 3.5% NaCl solution containing the azole compounds was evaluated by electrochemical impedance spectroscopy at cathodic polarization condition. Results showed that the azole compounds were not immobilized in the coating as they could leach out and act as cathodic inhibitor at defect site and disbonding front. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：在3.5％NaCl溶液中评估了低碳钢上环氧涂层的阴极剥离，其中苯并咪唑，苯并噻唑和苯并三唑用作涂料中的添加剂。同样，在阴极极化条件下，通过电化学阻抗谱法评估了由一个小的人造缺陷在NaCl溶液中分层的涂层的电化学行为以及在含有唑化合物的3.5％NaCl溶液中的低碳钢裸露样品的电化学行为。结果表明，唑类化合物没有被固定在涂层中，因为它们可以浸出并在缺陷部位和剥离前部充当阴极抑制剂。 （C）2014大韩工业化学工程学会。由Elsevier B.V.发布。保留所有权利。

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