Mechanistic understanding of monoethanolamine (MEA) key role in removal of burnt oil residues

IF 4.9 2区 化学 Q2 CHEMISTRY, PHYSICAL Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2025-03-12 DOI:10.1016/j.colsurfa.2025.136603
Maria Calabrese , Davide Schirone , Helena Mateos , Alessandra Valentini , Nicoletta Ditaranto , Gaia Amoroso , Stefano Speranza , Giuseppe Colafemmina , Gerardo Palazzo
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引用次数: 0

Abstract

Ethanolamines are often added in the empirical formulation of commercial hard-surface cleaners and degreasers. Their use is usually justified by the fact they are anti-corrosive agents. However, their direct influence on cleaning performance is not well understood. In this work the cleaning performance of formulations with and without mono-ethanolamine (MEA) have been tested on standard polymerized grease baked on stainless steel plates. We demonstrate, for the first time, that even a small amount of MEA in water is crucial to obtain an efficient removal of burnt residues formed during baking processes. To rationalize this previously overlooked role, we have characterized the soil composition by infrared (IR) and X-ray photoelectron (XPS) spectroscopies and determined its Hansen solubility parameters. In parallel, the effect of MEA aqueous solutions on the soil was investigated by confocal microscopy, contact angle and IR measurements. IR measurements indicate that MEA modifies the baked soil softening it. Confocal imaging demonstrates that the MEA aqueous solution penetrates through the polymerized grease film wetting the substrate and inducing the softened soil retraction from the substrate (deweeeting).
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从机理上理解单乙醇胺(MEA)在清除燃烧油残留物中的关键作用
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来源期刊
CiteScore
8.70
自引率
9.60%
发文量
2421
审稿时长
56 days
期刊介绍: Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.
期刊最新文献
Editorial Board Editorial Board Preparation and mechanism investigation of surfactin-based nanoemulsion by D-phase emulsification Mechanistic understanding of monoethanolamine (MEA) key role in removal of burnt oil residues Phospholipase A2 induces structural changes in phospholipid-containing cubosomes
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