By Tharwat F. Tadros
Whereas at the moment on hand titles both specialise in the fundamentals or on very particular subtopics, this article meets the necessity for a accomplished survey of surfactants and their houses, with a powerful emphasis on functions and their correlation to the basics.
the writer covers their category, actual homes, part habit, adsorption, results - similar to wetting, spreading and adhesion - in addition to business functions in own care and cosmetics, prescription drugs, agrochemicals and foodstuff items.
Professor Tadros is a widely known professional concerning surfactants, with a lot event in colloid technology. right here, he makes use of his business adventure to shut the distance among basics of surfactants and their relevance and purposes in perform.
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Extra resources for Applied Surfactants: Principles and Applications
Using such a dispersant, one can obtain highly stable concentrated suspensions. These surfactants have been modiﬁed in several ways to produce molecules that are suitable as emulsiﬁers, dispersants in extreme conditions such as high or low pH, high electrolyte concentrations, temperatures etc. Other polymeric surfactants that are suitable for dispersing dyes and pigments in non-aqueous media have also been prepared, whereby the side chains were made oil soluble, such as polyhydroxystearic acid.
M. Os van, J. R. Haak, L. A. M. Rupert: Physico-chemical Properties of 1 Selected Anionic, Cationic and Nonionic Surfactants, Elsevier, Amsterdam, 1993. 5 M. R. Porter, Handbook of Surfactants, Blackie, London, 1994. 6 W. M. Linﬁeld, W. M. ): Anionic Surfactants, Marcel Dekker, New York, 1967. 7 E. H. Lucasssen-Reynders: Anionic Surfactants – Physical Chemistry of Surfactant Action, Marcel Dekker, New York, 1981. References 8 E. Jungerman: Cationic Surfactants, Marcel Dekker, New York, 1970. 9 N.
These surfactants are sold under various trade names, namely Pluronics (Wyandotte), Synperonic PE (ICI), Poloxamers, etc. 7). 7 Various molecules are available, where n and m are varied systematically. The second type of EO/PO copolymers are prepared by reaction of poly(ethylene glycol) (difunctional) with PO or mixed EO/PO. These will have the structure (PO)n (EO)m (PO)n and are referred to as reverse Pluronics. 8) are also available where the starting material is glycerol. 10) are available where the starting material is ethylene diamine.