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Author : Doris Vollmer
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (882 download)
Download or read book On structural and thermodynamic transitions in microemulsion systems written by Doris Vollmer and published by . This book was released on 1996 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maurice Bourrel
Publisher : Editions TECHNIP
ISBN 13 : 9782710809562
Total Pages : 416 pages
Book Rating : 4.8/5 (95 download)
Download or read book Microemulsions and Related Systems written by Maurice Bourrel and published by Editions TECHNIP. This book was released on 2010 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning with P.A. Winsor's fundamental hypothesis on a natural interfacial curvature depending on the values of the formulation variables, this unique book shows scientists how to understand the intrinsic structure of these complex systems and their corresponding physical properties... predict how a change in one formulation variable (surfactant structure, oil structure, aqueous phase composition, temperature, etc.) will modify the microemulsion... and systematically formulate microemulsions for individual applications.This book provides a thermodynamic analysis supporting the existence of natural interfacial curvature... compares the behavior of commercial surfactant mixtures and pure isomeric surfactant molecules in order to point out differences and similarities highly significant for various uses... explains how micelles can evolve smoothly and continuously toward solutions containing large quantities of oil and water... gives procedures for fixing quantitative relationships among formulation variables... plus much more.Illustrated with more than 200 diagrams, tables, and photographs, and completely referenced, this superb volume is essential reading for surfactant, colloid, and physical chemists in both academe and industry, as well as chemical engineers, biotechnologists, and petroleum engineers.Contents: 1. The R-Ratio. 2. Aqueous solutions containing amphiphiles. 3. Nonpolar solutions containing amphiphiles. 4. The phase behavior and properties of solutions containing amphiphiles, organic liquids, and water: micellar solutions. 5. Methods for promoting phase changes. 6. Compensating changes between formulation variables. 7. Solubilization. 8. Thermodynamics of solubilized systems.
Author : Friberg
Publisher : CRC Press
ISBN 13 : 1351091492
Total Pages : 387 pages
Book Rating : 4.3/5 (51 download)
Download or read book Microemulsions: Structure and Dynamics written by Friberg and published by CRC Press. This book was released on 2018-01-18 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the microemulsion phenomenon in a systematic manner and not only provides an up-to-date introduction to this topic but aslo serves as the basis for further development in the area.The progress of microemulsion research has taken place in well-defined stages. The introduction period was founded on Schulman‘s original discovery and was, as expected, focused on the interfacial free energy. Because Schulman obtained his microemulsions from a macroemulsion by the addition of a cosurfactant.The present stage is characterized by an extensively enhanced knowledge about structure and dynamics in these systems. This has led to the realization that the structure of the microemulsions is related both to solutions with critical behaviour and long range order structures, the lyotropic liquid crystals. These two aspects have been elucidated independently by the French groups and by the Lund Spectroscopy group.
Author : Sow Hsin Chen
Publisher : Springer Science & Business Media
ISBN 13 : 1461389380
Total Pages : 311 pages
Book Rating : 4.4/5 (613 download)
Download or read book Micellar Solutions and Microemulsions written by Sow Hsin Chen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last decade there has been a renewed interest in research on supramolecular assemblies in solutions, such as micelles and microemulsions, not only because of their extensive applications in industries dealing with catalysts, detergency, biotechnology, and enhanced oil recovery, but also due to the development of new and more powerful experimental and theoretical tools for probing the microscopic behavior of these systems. Prominent among the array of the newly available experimental techniques are photon correlation spectroscopy, small-angle neutron and X-ray scattering, and neutron spin-echo and nuclear magnetic resonance spectroscopies. On the theoretical side, the traditionally emphasized thermodynamic approach to the study of the phase behavior of self-assembled systems in solutions is gradually being replaced by statistical mechanical studies of semi-micro scopic and microscopic models of the assemblies. Since the statistical mechanical approach demands as its starting point the microscopic struc tural information of the self-assembled system, the experimental determina tion of the structures of micelles and microemulsions becomes of paramount interest. In this regard the scattering techniques mentioned above have played an important role in recent years and will continue to do so in the future. In applying the scattering techniques to the supramolecular species in solution, one cannot often regard the solution to be ideal. This is because the inter-aggregate interaction is often long-ranged since it is coulombic in nature and the interparticle correlations are thus appreciable.
Author : Friberg
Publisher : CRC Press
ISBN 13 : 135108304X
Total Pages : 225 pages
Book Rating : 4.3/5 (51 download)
Download or read book Microemulsions: Structure and Dynamics written by Friberg and published by CRC Press. This book was released on 2018-01-18 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the microemulsion phenomenon in a systematic manner and not only provides an up-to-date introduction to this topic but aslo serves as the basis for further development in the area.The progress of microemulsion research has taken place in well-defined stages. The introduction period was founded on Schulman‘s original discovery and was, as expected, focused on the interfacial free energy. Because Schulman obtained his microemulsions from a macroemulsion by the addition of a cosurfactant.The present stage is characterized by an extensively enhanced knowledge about structure and dynamics in these systems. This has led to the realization that the structure of the microemulsions is related both to solutions with critical behaviour and long range order structures, the lyotropic liquid crystals. These two aspects have been elucidated independently by the French groups and by the Lund Spectroscopy group.
Author : Leon Prince
Publisher : Elsevier
ISBN 13 : 0323160409
Total Pages : 192 pages
Book Rating : 4.3/5 (231 download)
Download or read book Microemulsions Theory and Practice written by Leon Prince and published by Elsevier. This book was released on 2012-12-02 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microemulsions: Theory and Practice covers the development of the theory and practice of microemulsion systems. This book is divided into seven chapters that explore the physics and chemistry of microemulsions. This book deals first with the commercial history of microemulsions, from the discovery of carnauba wax emulsions to polymer emulsions. This topic is followed by discussions on the theoretical aspects of microemulsion formulation techniques and the design of other products. The subsequent chapter describes the microemulsion formulation with less solubilizer or emulsifier together with their optical properties. A chapter examines the mixed film theory that explains the dispersions, oil-water interface, and inferences in microemulsions. Another chapter considers the role of microemulsions in micellar solutions and their relations to the concentrations of different compounds. This chapter also looks into the association phenomena of three-component phase equilibria diagrams and liquids crystals to microemulsions. The concluding chapter discusses the role of the capillary and hydrostatic forces on the entrapment of oil in the reservoir and the necessary conditions for the displacement of entrapped oil. The important properties and economic aspects of a microemulsion slug required for the tertiary oil recovery are also covered in this chapter.
Author : Monzer Fanun
Publisher : CRC Press
ISBN 13 : 1420089609
Total Pages : 568 pages
Book Rating : 4.4/5 (2 download)
Download or read book Microemulsions written by Monzer Fanun and published by CRC Press. This book was released on 2008-12-15 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effective use of microemulsions has increased dramatically during the past few decades as major industrial applications have expanded in a variety of fields. Microemulsions: Properties and Applications provides a complete and systematic assessment of all topics affecting microemulsion performance and discusses the fundamental characteristics, t
Author : Henri L. Rosano
Publisher : CRC Press
ISBN 13 : 9780824774394
Total Pages : 464 pages
Book Rating : 4.7/5 (743 download)
Download or read book Microemulsion Systems written by Henri L. Rosano and published by CRC Press. This book was released on 1987-03-27 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Promod Kumar
Publisher : Routledge
ISBN 13 : 1351442333
Total Pages : 872 pages
Book Rating : 4.3/5 (514 download)
Download or read book Handbook of Microemulsion Science and Technology written by Promod Kumar and published by Routledge. This book was released on 2018-05-02 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demonstrating methods for overcoming stability issues in paints, wax dispersions, cosmetics, food products, and other industrial applications, this reference probes theoretical and practical issues surrounding microemulsion science and technology. Featuring the work of 51 international experts and containing almost 1000 instructive tables, equations, and illustrations, this book reviews the performance of, and prospects for, experimental methods such as X-ray diffraction, transmission electron microscopy (TEM), light scattering, small angle neutron scattering, viscosimetry, and nuclear magnetic resonance (NMR) to characterize various aspects of the dispersed phase of microemulsions.
Author : Conxita Solans
Publisher : CRC Press
ISBN 13 : 9780824797959
Total Pages : 424 pages
Book Rating : 4.7/5 (979 download)
Download or read book Industrial Applications of Microemulsions written by Conxita Solans and published by CRC Press. This book was released on 1996-11-27 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Fills a void in the literature by presenting the basic concepts of microemulsions, essential to understanding their industrial significance, and comprehensive descriptions of the most useful commerical applications. Discusses important issues related to enzymatic reactions and nanoparticle formation. Charts the enormous advances that have occurred in the field over the past decade."
Author : Minoru Fujimoto
Publisher : Springer Science & Business Media
ISBN 13 : 0387407162
Total Pages : 284 pages
Book Rating : 4.3/5 (874 download)
Download or read book The Physics of Structural Phase Transitions written by Minoru Fujimoto and published by Springer Science & Business Media. This book was released on 2004-09-01 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase transitions in which crystalline solids undergo structural changes present an interesting problem in the interplay between the crystal structure and the ordering process. This text, intended for readers with some prior knowledge of condensed-matter physics, emphasizes the basic physics behind such spontaneous structural changes in crystals. Starting with the relevant thermodynamic principles, the book discusses the nature of order variables and their collective motion in a crystal lattice; in a structural phase transition a singularity in such a collective mode is responsible for the lattice instability, as revealed by soft phonons. This mechanism is analogous to the interplay of a charge-density wave and a periodically deformed lattice in low-dimensional conductors. The text also describes experimental methods for modulated crystal structures and gives examples of structural changes in representative systems. The book is divided into two parts. The first, theoretical, part includes such topics as: the Landau theory of phase transitions; statistics, correlations and the mean-field approximation; pseudospins and their collective modes; soft lattice modes and pseudospin condensates; lattice imperfections and their role in the phase transitions of real crystals. The second part discusses experimental studies of modulated crystals using x-ray diffraction, neutron inelastic scattering, light scattering, dielectric measurements, and magnetic resonance spectroscopy.
Author : Bastian Arlt
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368191
Total Pages : 217 pages
Book Rating : 4.8/5 (933 download)
Download or read book Thermal Diffusion in Binary Surfactant Systems and Microemulsions written by Bastian Arlt and published by Forschungszentrum Jülich. This book was released on 2012 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vicki Chen
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (319 download)
Download or read book Transitions from Bicontinuous to Discrete Microemulsion Structures written by Vicki Chen and published by . This book was released on 1988 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Desiree Nedra Karunaratne
Publisher : BoD – Books on Demand
ISBN 13 : 9535131710
Total Pages : 186 pages
Book Rating : 4.5/5 (351 download)
Download or read book Properties and Uses of Microemulsions written by Desiree Nedra Karunaratne and published by BoD – Books on Demand. This book was released on 2017-05-24 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Properties and Uses of Microemulsions is intended to provide the reader with some important applications and features of these systems. The intricate composition of microemulsions has made them applicable in many areas such as cosmetics, pharmaceuticals, food, agriculture, oil recovery, chemical synthesis of nanoparticles, and catalysts. An introductory chapter starts off with the description of these applications followed by methods of characterization. Thereafter, a few practical applications of microemulsions focusing on drug delivery, oil recovery, and formation of nanocatalysts are described followed by the third section discussing the theoretical and physical parameters predicting microemulsion properties. The use of spin-polarized paramagnetic probes, bending energetics, and study of self-propelled motion are some of the physical parameters employed to characterize the microemulsions.
Author : Boris M. Smirnov
Publisher : Springer Science & Business Media
ISBN 13 : 3540715142
Total Pages : 249 pages
Book Rating : 4.5/5 (47 download)
Download or read book Phase Transitions of Simple Systems written by Boris M. Smirnov and published by Springer Science & Business Media. This book was released on 2007-10-24 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph develops a unified microscopic basis for phases and phase changes of bulk matter and small systems, based on classical physics. It describes the thermodynamics of ensembles of particles and explains phase transition in gaseous and liquid systems. The origins are derived from simple but physically relevant models of how transitions occur between rigid and fluid states, of how phase equilibria arise, and how they differ for small and large systems.
Author : K. Alex Müller
Publisher : Springer Science & Business Media
ISBN 13 : 3662101130
Total Pages : 192 pages
Book Rating : 4.6/5 (621 download)
Download or read book Structural Phase Transitions II written by K. Alex Müller and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Phase Transitions II, like its predecessor (Topics in Current Physics, Vol. 23), presents selected methods and recent advances in the experimental investigation of phase transitions in solids. The two chapters in this volume deal with electron paramagnetic resonance (EPR), and with nuclear magnetic and nuclear quadrupole resonance (NMR-NQR). Both techniques are particularly sensitive to local properties. The chapter on EPR concentrates largely on the investigation of static properties, including mean-field behaviour, critical and multicritical phenomena, whilst NMR is shown to be a powerful tool for studying nonlinear dynamics, incommensurate transitions, and disordered systems. This book will serve as an excellent introduction to the methodology and applications of EPR and NMR-NQR for all those wishing to become acquainted with these important tools for studying structural phase transitions.
Author : S. Martellucci
Publisher : Ettore Majorana International Science Series
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (44 download)
Download or read book Progress in Microemulsions written by S. Martellucci and published by Ettore Majorana International Science Series. This book was released on 1989-06 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current state of the art of various aspects of micro emulsion systems is reflected in this volume. Major topics discussed include: general background on solubilized systems, phase diagrams and phase equi libria, bicontinuous microemulsions, Winsor's phases, theories and models of complex self association structures, cry tical behaviour, phase tran sitions in lyotropic liquid crystals. I hope that this book will serve its intended objective of reflecting our current understanding of 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. I feel indebted to the people of the Ettore Majorana Centre: the friendly atmosphere of the Erice centre provided a very effective environ ment to enjoy the company of colleagues and friends during breaks and after sessions, and to discuss problems of mutual interest. The courtesy, efficiency and devotion of the secretarial and technical staff was also appreciated, and greatly contributed to make the Workshop a smoothly run ning one. The Scientific Secretary Donatella Senatra Department of Physics University of Florence (Italy) v INTRODUCTION The decision to publish. in a more permanent form than heretofore. the Proceedings of the Workshop on "Progress in Microemulsion" of the Inter national School of Quantum Electronics. which was held in Erice (Italy) from October 26 to November 1st. 1985. under the auspices of the "Ettore Majorana" Centre for Scientific Culture. will prove to be a sound one.
