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Author : Karl Edward Bennett
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Microemulsion Phase Behavior and Rheology written by Karl Edward Bennett and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karl Edward Bennett
Publisher :
ISBN 13 :
Total Pages : 570 pages
Book Rating : 4.:/5 (319 download)
Download or read book Microemulsion Phase Behavior and Rheology written by Karl Edward Bennett and published by . This book was released on 1985 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Surita R. Bhatia
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (412 download)
Download or read book Rheology and Phase Behavior of Associative Triblocks in Microemulsion Solutions written by Surita R. Bhatia and published by . This book was released on 1998 with total page 26 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 : American Chemical Society. Meeting
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (44 download)
Download or read book Macro- and Microemulsions written by American Chemical Society. Meeting and published by . This book was released on 1985 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Ghazal Dashti
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (884 download)
Download or read book A Study of Microemulsion Viscosity with Consideration of Polymer and Co-solvent Additives written by Ghazal Dashti and published by . This book was released on 2014 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the dramatic increase in the worldwide demand for the crude oil and with the fact that the oil and gas resources are depleting, the enhanced oil recovery process plays an important role to increase the production from the existing hydrocarbon reservoirs. Chemical enhanced oil recovery is one of the most important techniques to unlock significant amount of trapped oil from oil reservoirs. Surface agent materials (Surfactants) are used to lower the interfacial tension (IFT) between water and oil phases to ultralow values and mobilize the trapped oil. When surfactant, water, and oil are mixed together they form a thermodynamically stable phase called microemulsion which can be characterized by ultralow interfacial tension and the ability to solubilize both aqueous and oil compounds. Another characteristic of microemulsion solution is its viscosity which plays an important role in the creation and movement of the oil bank. The microemulsion micro-structure is complex and its viscosity is difficult to predict. Various viscosity models and correlations are presented in the literature to describe microemulsion viscosity behavior, but they fail to represent the rheological behavior of many microemulsion mixtures. Most of these models are valid in the lower and higher ranges of solute where one of the domains is discontinuous. The majority of the models fail to calculate the rheology of microemulsion phase in bicontinuous domains. In this work, we present a systematic study of the rheological behavior of microemulsion systems and the effect of additives such as polymer and co-solvent on rheological properties of microemulsions. Several laboratory experiments were conducted to determine the rheological behavior of surfactant solutions. A new empirical model for the viscosity of microemulsion phase as a function of salinity is introduced. The model consists of three different correlations one for each phase type of Windsor phase behaviors. The proposed model is validated using a number of experimental results presented in this document. The proposed viscosity model is implemented in the UTCHEM simulator and the simulator results are compared with the coreflood experiments. Excellent matches were obtained for the pressure. We further improved the proposed viscosity model to incorporate the effect of polymer and co-solvent on the microemulsion viscosity.
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 : 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 : Petra Kudla
Publisher : GRIN Verlag
ISBN 13 : 3656091692
Total Pages : 60 pages
Book Rating : 4.6/5 (56 download)
Download or read book The anomalous viscometric behavior of AOT water-in-oil microemulsions written by Petra Kudla and published by GRIN Verlag. This book was released on 2011-12-29 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diploma Thesis from the year 2007 in the subject Chemistry - Physical and Theoretical Chemistry, grade: 1,0, University Karlsruhe (TH) (Mechanische Verfahrenstechnik und Mechanik), course: Physikalische Chemie, Verfahrenstechnik, language: English, abstract: AOT-heptane-D2O as well as AOT-decane-D2O inverse microemulsions have been studied by using dynamic light scattering (DLS), microscopy, and rheology. These ternary systems are treated like dispersions of colloidal particles. Viscosity investigations for dilute and concentrated samples for both systems show an anomalous maximum with increasing droplet size. In contrast to speculations in earlier work, the maximum is attributed to the appearance of vesicles. They are readily observed in microscopy and lead to non-exponential relaxation in dynamic light scattering. A low to moderate concentration of the vesicles is suggested as an explanation for the observed Newtonian rheology. Furthermore a lower phase boundary corresponding to emulsification failure has been detected for AOT-heptane-D2O, useful as a starting point for systematic studies of droplet interactions, droplet shape fluctuations and percolation phenomena in AOT systems. The results are discussed in the context of earlier investigations of these inverse microemulsions.
Author : Reza Najjar
Publisher : BoD – Books on Demand
ISBN 13 : 9535102478
Total Pages : 266 pages
Book Rating : 4.5/5 (351 download)
Download or read book Microemulsions written by Reza Najjar and published by BoD – Books on Demand. This book was released on 2012-03-16 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapidly increasing number of applications for microemulsions has kept this relatively old topic still at the top point of research themes. This book provides an assessment of some issues influencing the characteristics and performance of the microemulsions, as well as their main types of applications. In chapter 1 a short introduction about the background, various aspects and applications of microemulsions is given. In Part 2 some experimental and modeling investigations on microstructure and phase behavior of these systems have been discussed. The last two parts of book is devoted to discussion on different types of microemulsion's applications, namely, use in drug delivery, vaccines, oil industry, preparation of nanostructured polymeric, metallic and metal oxides materials for different applications.
Author : Syed A. S. M. Qutubuddin
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.F/5 ( download)
Download or read book Polymer-aggregate Incompatibility, Phase Behavior and Electrophoretic Laser Light Scattering Investigations of Microemulsions with Ultralow Interfacial Tensions written by Syed A. S. M. Qutubuddin and published by . This book was released on 1983 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Vai Yee Hon
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Experimental and Computational Modeling of Microemulsion Phase Behavior written by Vai Yee Hon and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phase behavior of microemulsions formed in a surfactant-brine-oil system for a chemical Enhanced Oil Recovery (EOR) application is complex and depends on a range of parameters. Phase behavior indicates a surfactant solubilization. Phase behavior tests are simple but time-consuming especially when it involves a wide range of surfactant choices at various concentrations. An efficient and insightful microemulsion formulation via computational simulation can complement phase behavior laboratory test. Computational simulation can predict various surfactant properties, including microemulsion phase behavior. Microemulsion phase behavior can be predicted predominantly using Quantitative Structure-Property Relationship (QSPR) model. QSPR models are empirical and limited to simple pure oil system. Its application domain is limited due to the model cannot be extrapolated beyond reference condition. Meanwhile, there are theoretical models based on physical chemistry of microemulsion that can predict microemulsion phase behavior. These models use microemulsion surface tension and torque concepts as well as with solution of bending rigidity of microemulsion interface with relation to surface solubilization and interface energy.
Author : S. Martellucci
Publisher : Springer Science & Business Media
ISBN 13 : 1489908099
Total Pages : 283 pages
Book Rating : 4.4/5 (899 download)
Download or read book Progress in Microemulsions written by S. Martellucci and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 283 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.
Author : Hongda Zhang
Publisher :
ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.:/5 (319 download)
Download or read book Thermodynamics, Phase Behavior, and Rheology of Surfactant Mixtures written by Hongda Zhang and published by . This book was released on 1998 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michaela Laupheimer
Publisher : Springer
ISBN 13 : 3319077198
Total Pages : 176 pages
Book Rating : 4.3/5 (19 download)
Download or read book Gelled Bicontinuous Microemulsions written by Michaela Laupheimer and published by Springer. This book was released on 2014-06-20 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microemulsions and gels are well-known systems, which play a major role in colloidal and interfacial science. In contrast, the concept of gel microemulsions is still quite new. Gelled microemulsions are highly promising for microemulsion applications in which low viscosity is undesirable, such as administering a drug-delivering microemulsion to a certain area of the skin. It is essential to understand the properties of and structures formed in a system combining microemulsion components and a gelator. This PhD thesis by Michaela Laupheimer provides an in-depth discussion of the phase behavior and sol-gel transition of a microemulsion gelled by a low molecular weight gelator as well as the rheological behavior of a gelled bicontinuous microemulsion. Moreover, the microstructure of the gelled bicontinuous system is fully clarified using techniques like self-diffusion NMR and small angle neutron scattering (SANS). By comparing gelled bicontinuous microemulsions with corresponding non-gelled microemulsions and binary gels, it is demonstrated that bicontinuous microemulsion domains coexist with a gelator network and that the coexisting structures possess no fundamental mutual influence. Hence, gelled bicontinuous microemulsions have been identified as a new type of orthogonal self-assembled system.
