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首页> 外文期刊>Corrosion Engineering, Science and Technology >Performance of commercial LDH traps for chloride ion in a commercial corrosion protection primer for petrochemical industry
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Performance of commercial LDH traps for chloride ion in a commercial corrosion protection primer for petrochemical industry

机译：石油化工商业腐蚀引物中氯离子商业LDH陷阱的性能

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摘要

Benzotriazole (BTA) release from a layered double hydroxide based on Zn and Al (LDH-ZnAl/BTA) in a saline solution was investigated using UV-Vis spectroscopy, and corrosion protection was studied by OCP and EIS measurements on carbon steel samples immersed in 3.5?wt-% NaCl solution. The corrosion protection of this ion-exchanger material performance for longer periods was evaluated using a carbon steel substrate coated with a commercial epoxy primer loaded with LDH-BTA (5.0?wt-%). EIS and salt spray tests demonstrated that the LDH-BTA additive enhanced the performance of the commercial primer due to the double inhibitive effect, which is a combination of the entrapment of chloride anions simultaneously with the on-demand release of the corrosion inhibitor BTA.
机译：使用UV-Vis光谱研究基于Zn和Al（LDH-ZNAL / BTA）的层状双氢氧化物释放的Zn和Al（LDH-ZNAL / BTA）释放，通过OCP和浸入碳钢样品上的OCP和EIS测量研究了腐蚀保护 3.5？WT-％NaCl溶液。 使用涂有LDH-BTA（5.0→WT-％）的商业环氧引物的碳钢基材评估该离子交换器材料性能的腐蚀保护。 EIS和盐雾试验证明LDH-BTA添加剂由于双重抑制效应，增强了商业底漆的性能，这是氯化物阴离子同时夹杂物的组合，随着腐蚀抑制剂BTA的按需释放。

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