MACRO- AND MICROEMULSIONS

Shah D O (ed) 1985 Macro- and Microemulsions—Theory and Applications (Washington, DC American Chemical Society)... 

D. O. Shah, Macro and Microemulsions Theory and Applications, American Chemical Society, Washington, D.C., 1985. 

Macroemulsions tend to separate into two phases. This is called demulsification. Demul-sification can be very slow so that even a macroemulsion might appear stable. Often macroemulsions are just called emulsions because all classical dispersions of oil and water were macroemulsions. In this section we use the term emulsion if it concerns a property of macro- and microemulsions. If we discuss the properties primarily of macroemulsions we use the full term. From the practical point of view micro- and macroemulsions are very different. That we discuss some properties together should not hide this fact. 

Emulsions are dispersions of two immiscible liquids, usually water and oil. We distinguish macro- and microemulsions. Macroemulsions are not thermodynamically stable. Droplets are typically 0.5 - 10/im in diameter. Microemulsions are thermodynamically stable and droplets are of the order of 5-100 nm in diameter. 

Shah, D.O. (Ed.) Macro- and Microemulsions, American Chemical Society Washington, 1985. 

Raney, K.H. Benton, W.J. Miller, C.A. Macro-and Microemulsions Theory and Practice Shah, D.O., Ed. ACS Symposium Series No. 272 American Chemical Society Washington, DC, 1985. 

The current state OF THE ART of various aspects of macro- and microemulsions is reflected in this volume. The symposium upon which this volume is based was organized in six sessions emphasizing major areas of research. Major topics discussed include a review of macro- and microemulsions, enhanced oil recovery, reactions in microemulsions, multiple emulsions, viscoelastic properties of surfactant solutions, liquid crystalline phases in emulsions and thin films, photochemical reactions, and kinetics of microemulsions. 

This volume includes discussions of various processes occurring at molecular, microscopic, and macroscopic levels in macro- and microemulsions. I earnestly hope that this book will serve its intended objective of reflecting our current understanding of macro- and microemulsions, both in theory and practice, and that it will be useful to researchers, both novices as well as experts, as a valuable reference source. 

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