Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 343, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2021.116876
Keywords
Gemini surfactant; Conventional surfactant; Mixed micelle; Synergism
Funding
- DST's SERC Scheme [SR/FT/CS-82/2011]
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This review focuses on the interactions of gemini surfactants in binary solutions, emphasizing the application of theoretical models in the formation of mixed micelles and various mixed systems. By analyzing existing models, it reveals the mechanisms of interactions between gemini surfactants and other amphiphiles.
Notable research on the surfactant interactions in binary solutions has ensued novel experimental results on the mixing effect of amphiphiles. Although some interesting well-written articles describing the amphiphilic interactions are available in literature, a detailed review that can satisfactorily give explanations concerning the interaction of surfactants of various polarities in the binary gemini-conventional surfactant mixtures is the requirement of the present time. The main goal of this review is to explain the behavior of gemini surfactants in presence of an additional monomeric/dimeric amphiphile. It deals with mixed micellization, synergism, antagonism, adsorption, and also the theoretical interpretations (and experimental use) of the models given by Clint, Rubingh, Gharibi, Motomura, Rodenas, Maeda, Sarmoria, Georgiev, Nagarajan and Rosen. The last decade has witnessed parallel rise in the development and applications of gemini surfactants along with the studies on mixed systems of conventional surfactants with gemini types. We have tried to present pertinent information regarding interaction of various surfactants. Our purpose here is twofold: one is to discuss various theoretical models for the formation of mixed micelles and the second is to see how these models fit to various mixed systems constituting gemini surfactant as one of the components. (C) 2021 Elsevier B.V. All rights reserved.
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