Journal
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
Volume 51, Issue -, Pages -Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.cocis.2020.07.004
Keywords
Agricultural adjuvants; Enhanced oil recovery; Lung diseases therapy; Firefighting foams; Partial and complete wetting; Superspreading
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Funding
- Engineering & Physical Sciences Research Council, UK, through the PREMIERE Programme [EP/T000414/1]
- EPSRC [EP/T000414/1] Funding Source: UKRI
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This article discusses the important applications of surfactants in agriculture, healthcare, industry, and firefighting, while analyzing recent research progress on wetting and spreading on solid substrates. Future focus is on the role of surfactants on solid substrates.
Surfactant-mediated wetting and spreading are ubiquitous. Understanding of these phenomena in-depth allows precise tailoring of wetting performance which can contribute to global challenges in the food supply chain, healthcare, ecology and industrial processes. The first part of this review shows how surfactants can be used to improve the efficacy of fertilisers and pesticides in agriculture, enhanced oil recovery, treatment of lung diseases and extinguishing fires involving flammable liquids. The second part provides analysis of recent studies on wetting and spreading over solid substrates. It includes discussion on the effect of surfactants on the outcome of the impact of liquid drops, the wetting state after impact, autophobic effect and spreading kinetics for both partial and complete wetting, including superspreading. Perspectives of future development in the area of surfactant-assisted wetting and spreading on solid substrates are outlined.
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