Amphoteric Surfactants: Synthesis, Surface, Antimicrobial Activities, and Corrosion Inhibition for Aluminum in Acidic Solution

IF 1.1 Q4 ELECTROCHEMISTRY Surface Engineering and Applied Electrochemistry Pub Date : 2023-07-05 DOI:10.3103/S106837552303002X

Fatma H. Abdel-Salam, Nabel A. Negm, Marwa M. Mohamed, Sharbat A. Baker, Aya E. Hawash

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Abstract—

A new amphoteric surface-active agents, namely, sodium salt of 2-hydroxy-3-(trimethyl azanyl) propoxy-3-(alkanoyl oxy)-1-oxopropane-2-sulfonate were synthesized, and their chemical structures were confirmed spectroscopically. Surface tension measurements of those surface-active compounds were used to assess some surface parameters such as critical micelle concentration (cmc), the surface tension at the cmc (γ_cmc), effectiveness (π_cmc) and efficiency of adsorption. Results revealed that cmc and γ_cmc decreased as the number of carbon atoms in a hydrocarbon chain increased from 5.62 × 10^–3 to 1.78 × 10^–3 mol/l and from 33.6 to 44.4 mN/m, respectively. Values of ∆G_ads were lower than those of ∆G_mic, which facilitated the adsorption of the molecules of the surfactants on the air–water interface. The prepared surfactants showed good results for antimicrobial activity. Also, the weight loss and the potentiodynamic polarization methods were used to study the effect of the new synthesized surfactants as corrosion inhibitors for aluminum in 1 M of HCl. The obtained data showed that the prepared surfactants acted as good corrosion inhibitors for aluminum in 1 M HCl.

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两性表面活性剂:铝在酸性溶液中的合成、表面、抗菌活性和缓蚀作用

摘要合成了一种新的两性表面活性剂2-羟基-3-(三甲基氮酰)丙氧基-3-(烷醇氧基)-1-氧丙烷-2-磺酸钠盐，并对其化学结构进行了波谱分析。表面活性剂的表面张力测量用于评价临界胶束浓度(cmc)、在cmc处的表面张力(γ - cmc)、有效性(π - cmc)和吸附效率等表面参数。结果表明，随着碳原子数从5.62 × 10-3 mol/l增加到1.78 × 10-3 mol/l，随着碳原子数从33.6 mN/m增加到44.4 mN/m, cmc和γcmc均呈下降趋势。∆Gads值比∆Gmic值低，有利于表面活性剂分子在空气-水界面的吸附。所制备的表面活性剂具有良好的抗菌效果。采用失重法和动电位极化法研究了新合成的表面活性剂在1 M盐酸溶液中对铝的缓蚀效果。实验结果表明，所制备的表面活性剂在1 M HCl溶液中对铝具有良好的缓蚀作用。

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.70

自引率

22.20%

发文量

审稿时长

6 months

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.