N-Substituted amino acids as multifunctional additives used in cooling water. I. N-Hydroxymethyl amino acids

• J. Telegdi^1,2 and J. Beczner³

¹ Department of Interfaces and Surface Modification, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok körútja 2, 1117 Budapest, Hungary
² Óbuda University, Faculty of Light Industry and Environmental Engineering, Doberdó u. 6., 1034 Budapest, Hungary
³ Central Environmental and Food Science Research Institute, Herman Ottó út 15., 1022 Budapest, Hungary

Abstract: The aim of our research was to synthesize and apply chemicals that can control both the electrochemical and microbiological corrosion. In order to achieve this result Nhydroxymethylated amino acids were synthesized and used as corrosion inhibitors and as biocides. With weight loss tests and linear polarisation experiments were proven their efficiency as corrosion inhibitors. The biocide activity was measured in microbiological experiments. It was important to learn whether these molecules can control the growth both of the planktonic as well as of the biofilm-embedded microbes, too. With different calculations correlation was found between the molecular structure and their efficiency.

Keywords: Corrosion, microbiologically influenced corrosion, inhibition, biocide, N-hydroxymethyl amino acid

Int. J. Corros. Scale Inhib., 2014, 3, no. 3, 167–176 PDF (977 K)
doi: 10.17675/2305-6894-2014-3-3-167-176

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