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Corrosion Protection of Carbon Steel by a Composition Based on Natural Polysaccharide
Materials Science ( IF 0.9 ) Pub Date : 2021-09-13 , DOI: 10.1007/s11003-021-00470-0
S. А. Korniy 1 , I. М. Zin 1 , M. B. Тymus 1 , O. P. Khlopyk 1 , M.-O. М. Danyliak 1
Affiliation  

It is shown that xanthan gum inhibits corrosion processes in carbon steel placed in chloride-containing media by the mechanism of adsorption. Potassium-sodium tartrate improves the protective efficiency of xanthan gum. The results of electrochemical impedance spectroscopy confirm the formation of protective barrier layer on steel in a medium inhibited by the composition of gum with tartrate. The Langmuir adsorption isotherm corresponds to the most studied inhibitory system. The degree of protection of carbon steel by the inhibitory composition based on gum and tartrate exceeds 90%. The elevation of corrosion resistance of the metal in the medium inhibited by this composition is confirmed by the results of optical microscopy.



中文翻译:

基于天然多糖的组合物对碳钢的腐蚀防护

结果表明,黄原胶通过吸附机制抑制置于含氯化物介质中的碳钢的腐蚀过程。酒石酸钾钠提高黄原胶的保护效率。电化学阻抗谱的结果证实,在受酒石酸胶成分抑制的介质中,钢上形成了保护屏障层。Langmuir 吸附等温线对应于研究最多的抑制系统。基于树胶和酒石酸盐的抑制剂组合物对碳钢的保护程度超过90%。光学显微镜的结果证实了被该组合物抑制的介质中金属的耐腐蚀性的提高。

更新日期:2021-09-14
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