Calcium carbonate particles loaded with triethanolamine and polyethylenimine for enhanced corrosion protection of epoxy coated steel

Raj Roma; Morozov Y.; Calado L. M.; Taryba M. G.; Kahraman R.; Shakoor R. A.; Montemor M. F.

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Calcium carbonate particles loaded with triethanolamine and polyethylenimine for enhanced corrosion protection of epoxy coated steel

机译：碳酸钙颗粒加载三乙醇胺和聚乙烯亚胺，用于增强环氧涂层钢的腐蚀保护

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Calcium carbonate particles were synthesized and loaded with a mixture of two corrosion inhibitors, triethanolamine (TEA) and polyethylenimine (PEI). These particles can serve as pH-sensitive additives in epoxy coatings to provide "smarter" corrosion protection of carbon steel. Electrochemical impedance spectroscopy revealed that calcium carbonate particles loaded with the mixture of corrosion inhibitors improved corrosion resistance of coated panels and did not damage the barrier properties of the coating. Localized electrochemical studies of artificially damaged coatings on steel confirmed the corrosion inhibition effect.

机译：合成碳酸钙颗粒并加载两种腐蚀抑制剂，三乙醇胺（茶）和聚乙烯亚胺（PEI）的混合物。这些颗粒可以用作环氧涂层中的pH敏感添加剂，以提供“更柔滑”的碳钢腐蚀保护。电化学阻抗光谱显示，碳酸钙颗粒加载腐蚀抑制剂的混合物，提高了涂层板的耐腐蚀性，并未损害涂层的阻挡性能。钢上人工损坏涂料的局部电化学研究证实了腐蚀抑制作用。

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来源
《Corrosion science》 |2020年第5期|108548.1-108548.14|共14页
作者
Raj Roma; Morozov Y.; Calado L. M.; Taryba M. G.; Kahraman R.; Shakoor R. A.; Montemor M. F.;
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作者单位

Univ Lisbon Inst Super Tecn DEQ Ctr Quim Estrutural Lisbon Portugal;

Univ Lisbon Inst Super Tecn DEQ Ctr Quim Estrutural Lisbon Portugal|Qatar Univ Dept Chem Engn Doha Qatar;

Univ Lisbon Inst Super Tecn DEQ Ctr Quim Estrutural Lisbon Portugal;

Univ Lisbon Inst Super Tecn DEQ Ctr Quim Estrutural Lisbon Portugal;

Qatar Univ Dept Chem Engn Doha Qatar;

Qatar Univ Ctr Adv Mat Doha Qatar;

Univ Lisbon Inst Super Tecn DEQ Ctr Quim Estrutural Lisbon Portugal;

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正文语种 eng
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关键词
Triethanolamine; Polyethylenimine; Calcium carbonate; Corrosion; Epoxy-coated steel;

机译：三乙醇胺;聚乙烯亚胺;碳酸钙;腐蚀;环氧涂层钢;

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Calcium carbonate particles loaded with triethanolamine and polyethylenimine for enhanced corrosion protection of epoxy coated steel

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