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Multicomponent Diffusion And Phase Separation In Asymmetric Ternary Polymer Systems
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Book Synopsis Multicomponent Diffusion and Phase Separation in Asymmetric Ternary Polymer Systems by : Abdulrahman A. Alfarraj
Download or read book Multicomponent Diffusion and Phase Separation in Asymmetric Ternary Polymer Systems written by Abdulrahman A. Alfarraj and published by ProQuest. This book was released on 2007 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diffusion and Spinodal Decomposition in Binary and Ternary Polymer Systems by : Gregory Foley
Download or read book Diffusion and Spinodal Decomposition in Binary and Ternary Polymer Systems written by Gregory Foley and published by . This book was released on 1986 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Double-stage Phase Separation in Dynamically Asymmetric Ternary Polymer Blends by : Chen Kuang
Download or read book Double-stage Phase Separation in Dynamically Asymmetric Ternary Polymer Blends written by Chen Kuang and published by . This book was released on 2016 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase separation in complex fluids such as polymers has been the subject of several experimental and theoretical studies in recent years. Understanding the phase separation mechanisms and controlling morphological evolution are very important for designing various advanced materials with novel mechanical, optical, electrical, and transport properties. In polymer blends, dynamic asymmetry is induced by a large difference in glass transition temperature. In this work, phase separation behavior of ternary blends of polystyrene/poly(vinyl methyl ether)/polyisoprene, PS/PVME/PI, and polystyrene/poly(vinyl methyl ether)/poly(ethyl methacrylate), PS/PVME/PEMA are investigated. Ternary blends of PS/PVME/PI and PS/PVME/PEMA exhibit complex phase separation behavior since PS and PVME have a lower critical solution temperature (LCST) behavior, while PI and PS (or PVME), PEMA and PS (or PVME) have upper critical solution temperature (UCST) behavior. 2D and 3D phase diagrams for these two ternary systems were plotted by both Flory-Huggins incompressible and regular solution compressible models. Casting the solutions of PS/PVME/PI and PS/PVME/PEMA blends form two phase-separated domains in most compositions: (i) PI-rich or PEMA rich, and (ii) PS/PVME-rich. Post-annealing of such samples leads to the second-stage phase separation due to unfavorable interaction of PS and PVME at temperatures about 100°C. Such behavior that is observed for the first time provides a new potential method for making different morphologies with the same system by changing annealing parameters and composition. Washing one polymer at a time using a selective solvent is used to study the morphology of ternary blends. Optical microscopy and scanning electron microscopy are used to study the kinetics and morphology of viscoelastic phase separation (VPS) in ternary blends.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Multicomponent Polymer Systems written by and published by . This book was released on 2004 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Separation Kinetics in Reactive and Non-reactive Multi-component Polymer Systems by : Rahul Saxena
Download or read book Phase Separation Kinetics in Reactive and Non-reactive Multi-component Polymer Systems written by Rahul Saxena and published by . This book was released on 2001 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Relations in Multicomponent Polymer Systems by : R. J. Roe
Download or read book Phase Relations in Multicomponent Polymer Systems written by R. J. Roe and published by . This book was released on 1985 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project a number of polymer blend systems were studied to find the thermodynamic factors controlling the compatibility, such as the temperature, concentration, molecular weight and the copolymer composition, etc. Topics investigated include: The polymer-polymer interaction parameter between polystyrene and polybutadiene was determined, and the applicability of mean field theories (Flory-Huggins theory and the equation-of-state theory) to the polymer miscibility was ascertained. The feasibility of determining the thickness of interfaces between dissimilar polymers by means of small-angle X-ray scattering was critically examined. The occurrence of the order-disorder transition in block copolymer system were investigated. Light scattering and small-angle X-ray scattering were utilized to study the phase transition and phase separation behavior of mixtures of a homopolymer and a block copolymer, and this led to the construction of phase diagrams which exhibit many new features not found with other types of polymer blends. Deuteration of polystyrene was found not to influence its miscibility with polybutadiene. The effectiveness of a random or block copolymer as a compatibilizer of homopolymer blends was investigated. The effect of molecular weight polydipersity on the cloud point curves of polymeric blends was investigated.
Book Synopsis Membrane and Desalination Technologies by : Lawrence K. Wang
Download or read book Membrane and Desalination Technologies written by Lawrence K. Wang and published by Springer Science & Business Media. This book was released on 2010-12-01 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this essential new volume, Volume 13: Membrane and Desalination Technologies, a panel of expert researchers provide a wealth of information on membrane and desalination technologies. An advanced chemical and environmental engineering textbook as well as a comprehensive reference book, this volume is of high value to advanced graduate and undergraduate students, researchers, scientists, and designers of water and wastewater treatment systems. This is an essential part of the Handbook of Environmental Engineering series, an incredible collection of methodologies that study the effects of pollution and waste in their three basic forms: gas, solid, and liquid. Chapters adopt the series format, employing methods of practical design and calculation illustrated by numerical examples, including pertinent cost data whenever possible, and exploring in great detail the fundamental principles of the field. Volume 13: Membrane and Desalination Technologies is an essential guide for researchers, highlighting the latest developments in principles of membrane technology, membrane systems planning and design, industrial and municipal waste treatments, desalination requirements, wastewater reclamation, biofiltration, and more.
Book Synopsis Soft-Matter Characterization by : Redouane Borsali
Download or read book Soft-Matter Characterization written by Redouane Borsali and published by Springer Science & Business Media. This book was released on 2008-07-28 with total page 1490 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2-volume set includes extensive discussions of scattering techniques (light, neutron and X-ray) and related fluctuation and grating techniques that are at the forefront of this field. Most of the scattering techniques are Fourier space techniques. Recent advances have seen the development of powerful direct imaging methods such as atomic force microscopy and scanning probe microscopy. In addition, techniques that can be used to manipulate soft matter on the nanometer scale are also in rapid development. These include the scanning probe microscopy technique mentioned above as well as optical and magnetic tweezers.
Book Synopsis Wastewater Engineering: Advanced Wastewater Treatment Systems by : Hamidi Abdul Aziz
Download or read book Wastewater Engineering: Advanced Wastewater Treatment Systems written by Hamidi Abdul Aziz and published by IJSR Publications. This book was released on 2014-04-01 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the global population grows and many developing countries modernize, the importance of water supply and wastewater treatment becomes a much greater factor in the welfare of nations. Clearly, in today’s world the competition for water resources coupled with the unfortunate commingling of wastewater discharges with freshwater supplies creates additional pressure on treatment systems. Recently, researchers focus on wastewater treatment by difference methods with minimal cost and maximum efficiency. This volume of the Wastewater Engineering: Advanced Wastewater Treatment Systems is a selection of topics related to physical-chemical and biological processes with an emphasis on their industrial applications. It gives an overview of various aspects in wastewater treatments methods including topics such as biological, bioremediation, electrochemical, membrane and physical-chemical applications. Experts in the area of environmental sciences from diverse institutions worldwide have contributed to this book, which should prove to be useful to students, teachers, and researchers in the disciplines of wastewater engineering, chemical engineering, environmental engineering, and biotechnology. We gratefully acknowledge the cooperation and support of all the contributing authors.
Book Synopsis Methodologies and Applications for Chemoinformatics and Chemical Engineering by : Haghi, A. K.
Download or read book Methodologies and Applications for Chemoinformatics and Chemical Engineering written by Haghi, A. K. and published by IGI Global. This book was released on 2013-05-31 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, significant advances have been made in the development of chemistry and computer science integration into the fields of biomedical and chemical engineering, applying quantum principles to practical, macro-world science. Methodologies and Applications for Chemoinformatics and Chemical Engineering brings together innovative research, new concepts, and novel developments in the application of informatics tools for applied chemistry and computer science. This book is essential amongst chemists, engineers, and researchers in providing mutual communication between academics and industry professionals around the world.
Book Synopsis Kinetics of Phase Separation in Ternary Polymer Mixtures by : Bumsuk Jung
Download or read book Kinetics of Phase Separation in Ternary Polymer Mixtures written by Bumsuk Jung and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mathematical Analysis of Continuum Mechanics and Industrial Applications by : Hiromichi Itou
Download or read book Mathematical Analysis of Continuum Mechanics and Industrial Applications written by Hiromichi Itou and published by Springer. This book was released on 2016-11-18 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on mathematical theory and numerical simulation related to various aspects of continuum mechanics, such as fracture mechanics, elasticity, plasticity, pattern dynamics, inverse problems, optimal shape design, material design, and disaster estimation related to earthquakes. Because these problems have become more important in engineering and industry, further development of mathematical study of them is required for future applications. Leading researchers with profound knowledge of mathematical analysis from the fields of applied mathematics, physics, seismology, engineering, and industry provide the contents of this book. They help readers to understand that mathematical theory can be applied not only to different types of industry, but also to a broad range of industrial problems including materials, processes, and products.
Book Synopsis Vapor-Liquid Equilibria Using Unifac by : Aage Fredenslund
Download or read book Vapor-Liquid Equilibria Using Unifac written by Aage Fredenslund and published by Elsevier. This book was released on 2012-12-02 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vapor-Liquid Equilibria Using UNIFAC: A Group-Contribution Method focuses on the UNIFAC group-contribution method used in predicting quantitative information on the phase equilibria during separation by estimating activity coefficients. Drawing on tested vapor-liquid equilibrium data on which UNIFAC is based, it demonstrates through examples how the method may be used in practical engineering design calculations. Divided into nine chapters, this volume begins with a discussion of vapor and liquid phase nonidealities and how they are calculated in terms of fugacity and activity coefficients, respectively. It then introduces the reader to the UNIFAC method and how it works, the procedure used in establishing the parameters needed for the model, prediction of binary and multicomponent vapor-liquid equilibria for a large number of systems, the potential of UNIFAC for predicting liquid-liquid equilibria, and how UNIFAC can be used to solve practical distillation design problems. This book will benefit process design engineers who want to reliably predict phase equilibria for designing distillation columns and other separation processes.
Book Synopsis Handbook of Separation Process Technology by : Ronald W. Rousseau
Download or read book Handbook of Separation Process Technology written by Ronald W. Rousseau and published by John Wiley & Sons. This book was released on 1987-05-13 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveys the selection, design, and operation of most of the industrially important separation processes. Discusses the underlying principles on which the processes are based, and provides illustrative examples of the use of the processes in a modern context. Features thorough treatment of newer separation processes based on membranes, adsorption, chromatography, ion exchange, and chemical complexation. Includes a review of historically important separation processes such as distillation, absorption, extraction, leaching, and crystallization and considers these techniques in light of recent developments affecting them.
Book Synopsis Fundamentals of Phase Separation in Polymer Blend Thin Films by : Sam Coveney
Download or read book Fundamentals of Phase Separation in Polymer Blend Thin Films written by Sam Coveney and published by Springer. This book was released on 2015-06-18 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work sheds new light on fundamental aspects of phase separation in polymer-blend thin films. A key feature underlying the theoretical models is the unification of one-dimensional thermodynamic phase equilibria with film evolution phenomena in two- and three dimensions. Initially, an established 'phase portrait' method, useful for visualising and calculating phase equilibria of polymer-blend films, is generalised to systems without convenient simplifying symmetries. Thermodynamic equilibria alone are then used to explain a film roughening mechanism in which laterally coexisting phases can have different depths in order to minimise free energy. The phase portraits are then utilised to demonstrate that simulations of lateral phase separation via a transient wetting layer, which conform very well with experiments, can be satisfactorily explained by 1D phase equilibria and a 'surface bifurcation' mechanism. Lastly, a novel 3D model of coupled phase separation and dewetting is developed, which demonstrates that surface roughening shadows phase separation in thin films.
Book Synopsis Phase Transitions and Structure of Polymer Systems in External Fields by : Sergey A. Vshivkov
Download or read book Phase Transitions and Structure of Polymer Systems in External Fields written by Sergey A. Vshivkov and published by Cambridge Scholars Publishing. This book was released on 2019-05-14 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Generalized extensive experimental and theoretical data regarding the phase transitions of polymer systems in mechanical and magnetic fields provide the possibility to predict the results of external field effects on the structure and mutual solubility of components. The data on dynamic structuring in deformed polymer blends and solutions allow for the use of found regularities by the processing of polymer systems. The methods offered in this book allow for the connection of shift of phase diagrams in the mechanical field with changes in macromolecule sizes. The tutorials described here will help the reader to correctly build the phase diagrams of polymer systems using a variety of methods.
