The impact of novel diamine based aqueous and water lean solvents on the corrosion of carbon steel
Source abstract
Abstract
Two diamine based water lean solvents PNH and ENH ( N,N-dimethyl-1,3-propanediamine (DMPDA) and N,N-dimethyl-1,2-ethanediamine (DMEDA) respectively) using N-methyl pyrrolidone (NMP) as a diluent together with their corresponding aqueous solvents were investigated for their corrosivity of carbon steel. Siderite (FeCO 3) film is demonstrated to provide stronger corrosion resistance than chukanovite (Fe 2(CO 3)(OH) 2) film formed in aqueous solvents, DMEDA-H 2O and DMPDA-H 2O. Diamine water lean solvents ENH and PNH showed more severe corrosion behavior (ten-fold higher dissolved iron concentration) due to a lack of film protection. Improved anti-corrosion ability was observed in diamine water lean solvents by increasing the water content to 40%.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Concrete Corrosion and Durability · Fuel Cells and Related Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (43)
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