Effect of aging in air and immersion into phosphate solution on protectiveness and transformations of vinyltriethoxy silane nanofilms on iron
Source abstract
Abstract
Abstract Vinyltriethoxy silane (VTES) films on iron (Fe/VTES) were investigated with EIS, XPS and FTIR after aging in air and immersion into 0.01 M Na 2 HPO 4 solution. With the increasing exposure duration, charge transfer resistance of Fe/VTES increased indicating improvement of corrosion resistance. XPS analysis revealed for thin films the growth of iron oxides in air and of phosphates in the solution. Transformations in VTES films involved the formation of polysiloxanes, SiO 2 related species, and ethanol. FTIR examinations showed the disappearance of vinyl groups in VTES after exposure to air, and appearance of –C O groups after immersion into phosphate solution.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Analytical Chemistry and Sensors · Concrete Corrosion and Durability
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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