Industrial Applications Of Microemulsions
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Industrial Applications Of Microemulsions
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Author : Conxita Solans
language : en
Publisher: CRC Press
Release Date : 1996-11-27
Industrial Applications Of Microemulsions written by Conxita Solans and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-11-27 with Science categories.
"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."
Microemulsions
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Author : Monzer Fanun
language : en
Publisher: CRC Press
Release Date : 2008-12-15
Microemulsions written by Monzer Fanun and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-15 with Science categories.
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
Microemulsions
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Author : Cosima Stubenrauch
language : en
Publisher: Wiley-Blackwell
Release Date : 2008-11-10
Microemulsions written by Cosima Stubenrauch and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-10 with Science categories.
Although first described by Winsor in 1954, the chemistry and technology of microemulsions attracts considerable research interest. Until relatively recently, microemulsions were not used in large scale applications as their phase behaviour and microstructure were not well understood and large amounts of surfactant were needed for their formulation. With increased understanding of their behaviour and significantly improved methods for formulating and tuning their properties, microemulsions are becoming increasingly useful in a range of industrial and research applications. Covering both the advances that have enabled improved understanding of microemulsions, and the applications in a range of industrial and research settings, and written by a first class team of contributors, this book will be essential reading for anyone using, or considering using microemulsions in the course of their work. Written for research chemists, technologists and engineers in the fine, specialty chemicals and polymer industries, and those in university or government laboratories, this book will be particularly valuable to those early on in their careers.
Handbook Of Microemulsion Science And Technology
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Author : Promod Kumar
language : en
Publisher: CRC Press
Release Date : 1999-07-21
Handbook Of Microemulsion Science And Technology written by Promod Kumar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-07-21 with Science categories.
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.
Microemulsions
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Author : Reza Najjar
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-03-16
Microemulsions written by Reza Najjar and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-16 with Science categories.
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.
Macro And Microemulsions
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Author : American Chemical Society. Meeting
language : en
Publisher:
Release Date : 1985
Macro And Microemulsions written by American Chemical Society. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Science categories.
Microemulsions And Related Systems
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Author : Maurice Bourrel
language : en
Publisher: Editions TECHNIP
Release Date : 2010
Microemulsions And Related Systems written by Maurice Bourrel and has been published by Editions TECHNIP this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Emulsions categories.
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.
Nanodispersions
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Author : Tharwat F. Tadros
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2015-12-14
Nanodispersions written by Tharwat F. Tadros and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-14 with Technology & Engineering categories.
General introduction - Definition of nanodispersions (nanosuspensions, nanoemulsions, swollen micelles or microemulsions, liposomes and vesicles) and their size range. General description of their colloid stability. Main advantages of nanodispersions and their industrial applications. Preparation of nanosuspensions by top-up process - Nucleation and growth and control of particle size distribution. Factors determining the formation of narrow particle size distribution. Role of surfactants and polymers. Preparation of nano-polymer colloids (lattices) by emulsion and dispersion polymerization. Factors affects the stability of nanosuspensions. Preparation of nanosuspensions by bottom down process - Dispersion of preformed particles in liquids and the need of a wetting agent. Break-up of aggregates and agglomerates by application of high speed stirrers. Reduction of particle size by application of intense energy (microfluidization or bead milling). Maintenance of the colloid stability of the resulting particles. Reduction of Ostwald ripening. Industrial applications of nanosuspensions - Application in pharmacy to enhance bioavailability, Application in sunscreens for UV protection. Application in paints and coatings. Preparation of nanoemulsions by the use of high pressure homogenisers - Principles of emulsion formation and the role of the emulsifier. Selection of emulsifiers. Methods of emulsification and prevention of coalescence during emulsification. Origin of colloid stability of nanoemulsions. Prevention of Ostwald ripening Low energy methods for nanoemulsion preparation - The phase inversion composition method and the role of mixing the surfactant with oil and water. The phase inversion temperature method for preparation of nanoemulsions. Preparation of nanoemulsions by dilution of microemulsions. Practical examples of nanoemulsions and their industrial application - Nanoemulsions based on non-ionic surfactants and the role of the hydrophilic-lipophilic balance. Effect of oil solubility on the stabilityof nanoemulsions. Nanoemulsions based on polymeric surfactants. Applications in pharmacy and cosmetics. Swollen micelles or microemulsionsDefinition of microemulsions and their size range. Thermodynamic definition of microemulstions. Theories of microemulsion formation and stability. Characterisation of microemulsions using scattering, conductivity and NMR rechniques. Formulation of microemulsions and their industrial applications - Distinction between microemulsions and macroemulsions. Formulation of oil/water and water/oil microemulsions. Selection of emulsifiers for microemulsions. Application of microemulsions in tertiary oil recovery. Liposomes and vesicles - Formation of multilamellar lipid layers (liposomes) by dispersion of lipids in water. Formation of unilamellar vesicles by sonication of the liposomes. Factors responsible for stabilisation of liposomes and vesicles. Use of block copolymers to enhance the stability of vesicles. Applications of liposomes and vesicles in pharmacy and cosmetics.
A Guide To Formulation And Application Of Low Surfactant Microemulsions In Cleaning Processes
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Author : Anna Klemmer
language : en
Publisher: Cuvillier Verlag
Release Date : 2014-12-17
A Guide To Formulation And Application Of Low Surfactant Microemulsions In Cleaning Processes written by Anna Klemmer and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-17 with Science categories.
Surfactants were and still are our inconspicuous companions at macroscopic but more often at microscopic scale. Many technologies are only possible due to surfactant applications, which are of constantly growing scientific and industrial interest for approximately 100 years [1]. Hence, since its definition ‘micro emulsion’ by Schulman [2] optically isotropic surfactant formulations and their variations have become a significant part in today’s society. In nowadays’ most popular sector of nanomaterials surfactants are utilised for productions of such via template strategies [3–10]. Organic synthesis benefits from the immensely huge interfacial area of microemulsions resulting in bigger yields which were not possible before [11–21]. Closely related to organic synthesis, pharmaceutical industries enjoy the benefits of drug delivery via e.g. vesicels which play a major role during drug transport into the blood stream [22–27]. Simpler application of surfactants were reported 1984 where cationic surfactants were utilised as stabiliser for antibiotics [28]. Concerning healthier and conscious nutrition microemulsions are applied for reduction of the caloric value of food [29–39]. Also, to contribute to environmental protection exhaust emissions can be reduced by introducing water and surfactants into fuels [40–42]. Surfactant systems or in most cases microemulsions are very adaptable and can therefore be utilised in their most different states. This chapter gives an insightful introduction into the world of microemulsions.
Colloid And Surface Research Trends
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Author : Peter A. Fong
language : en
Publisher: Nova Publishers
Release Date : 2007
Colloid And Surface Research Trends written by Peter A. Fong and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Colloids categories.
Colloid and surface science research spans a wide range of topics including biological interactions at surfaces, molecular assembly of selective surfaces, role of surface chemistry in microelectronics and catalysis, tribology, and colloidal physics in the context of crystallisation and suspensions; fluid interfaces; adsorption; surface aspects of catalysis; dispersion preparation, characterisation and stability; aerosols, foams and emulsions; surfaces forces; micelles and microemulsions; light scattering and spectroscopy; nanoparticles; new material science; detergency and wetting; thin films, liquid membranes and bilayers; surfactant science; polymer colloids; rheology of colloidal and disperse systems; electrical phenomena in interfacial and disperse systems. This book presents research in this dynamic field.