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Supercritical Carbon Dioxide Interaction With Polymeric Materials
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Book Synopsis Evaluation of the Interactions Between Supercritical Carbon Dioxide and Polymeric Materials by : Samuel P. Sawan
Download or read book Evaluation of the Interactions Between Supercritical Carbon Dioxide and Polymeric Materials written by Samuel P. Sawan and published by . This book was released on 1994* with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supercritical Carbon Dioxide Interaction with Polymeric Materials by : Wendel J. Shuely
Download or read book Supercritical Carbon Dioxide Interaction with Polymeric Materials written by Wendel J. Shuely and published by . This book was released on 2004-07 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical-polymer compatibility is an important criterion in the development of solvent-based extraction and cleaning systems for removal of toxic contaminants from polymeric surfaces. The potential degradation of polymer properties and performance is especially critical for sensitive equipment cleaning, decontamination, and extraction. The candidate cleaning fluids for sensitive equipment include fluorinations and supercritical fluids. An overall material evaluation strategy has been developed for evaluating the degradation of polymer properties by exposure to supercritical fluids. The initial evaluation involves the measurement of the sorption and desorption diffusion coefficients in a spectrum of polymer compositions. The objective was to characterize the complete desorption process by the continuous measurement of the entire diffusion process. Another purpose of diffusion coefficient measurements was to provide an estimate of the time required for each material to completely adsorbs all of the carbon dioxide cleaning fluid and return the material to the original unplasticized condition. These measurements and calculations provided the high data density required to calculate a low concentration Fick's Law diffusion coefficient and equation for the extrapolations. The composition spectrum selected contains hydrogen bond donor, hydrogen bond acceptor, dipolar, and non-polar polymer structures. Over 20 thermoplastics and elastomers were studied with supercritical carbon dioxide.
Book Synopsis Supercritical Carbon Dioxide by : Maartje F. Kemmere
Download or read book Supercritical Carbon Dioxide written by Maartje F. Kemmere and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, supercritical fluids have emerged as more sustainable alternatives for the organic solvents often used in polymer processes. This is the first book emphasizing the potential of supercritical carbon dioxide for polymer processes from an engineering point of view. It develops a state-of-the-art overview on polymer fundamentals, polymerization reactions and polymer processing in supercritical carbon dioxide. The book covers topics in a multidisciplinary approach starting from polymer chemistry and thermodynamics, going through monitoring, polymerization processes and ending with polymer shaping and post-processing. The authors are internationally recognized experts from different fields in polymer reaction engineering in supercritical fluids. The book was initiated by the Working Party on Polymer Reaction Engineering of the European Federation of Chemical Engineering and further renowned international experts.
Book Synopsis Polymer Processing with Supercritical Fluids by : Vannessa Goodship
Download or read book Polymer Processing with Supercritical Fluids written by Vannessa Goodship and published by iSmithers Rapra Publishing. This book was released on 2005 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: SCFs are currently the subjects of intense research and commercial interest. Applications such as the RESS (rapid expansion of supercritical fluid solutions) process are part of standard industrial practice. In view of their ever-growing importance in the polymer industry there is a need to fully comprehend how supercritical fluids interrelate with polymeric materials to realise the potential that can be gained from their use. The authors review the basic principles of SCFs and their application within the polymer industry: characteristics and properties, extraction of unwanted residual products, polymerisation solvents, and polymer impregnation. Processing applications such as plasticisation, foaming and blending are also considered. There is discussion of the potential within the polymer recycling industry for use of SCFs as cleaning agents or within supercritical oxidation processes. Around 400 references with abstracts from recent global literature accompany this review, sourced from the Polymer Library, to facilitate further reading. A subject index and a company index are included.
Book Synopsis Green Chemistry Using Liquid and Supercritical Carbon Dioxide by : Joseph M. DeSimone
Download or read book Green Chemistry Using Liquid and Supercritical Carbon Dioxide written by Joseph M. DeSimone and published by Oxford University Press, USA. This book was released on 2003 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation. Introduction, J. Young, J. DeSimone, and W. TumasPart I: Catalysis and Chemical Synthesis in CO21. Phase behavior and its effects on reactions in liquid and supercritical CO2, L.A. Blanchard et al. 2. Advances in homogeneous, heterogeneous and biphasic metal catalyzed reactions in dense phase carbon dioxide, T. Ikariya et al. 3. CO2 as a reactant and solvent in catalysis, T. Ikariya and R. Noyori4. Free radical chemistry in supercritical CO2, J.M. Tanko5. Fluorous phases and compressed carbon dioxide as alternative solvents for chemical synthesis: a comparison, W. Leitner6. Enzyme chemistry in carbon dioxide, R.L. Rodney and A.J. RussellPart II: Polymers in CO27. Solubility of polymers in CO2, M. McHugh8. Interfacial phenomena with CO2-soluble surfactants, K. Johnston et al. 9. Synthesis and characterization of polymers: From polymeric micelles to step growth polymerizations, J. Young and J. DeSimone10. Preparation and studies of polymer/polymer composites prepared using supercritical carbon dioxide, E. Kung, A.J. Lesser, and T.J. McCarthy11. Rheological properties of polymers modified with CO2, C.W. Manke and E. GulariPart III: Industrial Processes and Applications Utilizing CO212. Coatings from liquid and supercritical CO2, Y. Chernyak et al. 13. Dry cleaning with liquid CO2, G. Stewart14. Selective and complete hydrogenation of vegetable oils and free fatty acids in supercritical fluids, T. Tacke, S. Wieland, and P. Panster15. Supercritical CO2 enhancement of cemented materials, C. Taylor, J. Rubin, and B. Carey.
Book Synopsis Modification and Preparation of Membrane in Supercritical Carbon Dioxide by : Guang-Ming Qiu
Download or read book Modification and Preparation of Membrane in Supercritical Carbon Dioxide written by Guang-Ming Qiu and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supercritical carbon dioxide (SCCO2) has dissolving power comparable to that of liquids, is much more compressible than dilute gases, and has transport properties intermediate between gas- and liquid-like. This unusual combination of physical properties can be advantageously exploited in environmentally benign separation and reaction processes, as well as for new kinds of materials processing. This book articles summarises the modifications and preparations of membranes that have been conducted in SCCO2.
Book Synopsis Metal-Organic Framework Materials by : Leonard R. MacGillivray
Download or read book Metal-Organic Framework Materials written by Leonard R. MacGillivray and published by John Wiley & Sons. This book was released on 2014-09-19 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-Organic Frameworks (MOFs) are crystalline compounds consisting of rigid organic molecules held together and organized by metal ions or clusters. Special interests in these materials arise from the fact that many are highly porous and can be used for storage of small molecules, for example H2 or CO2. Consequently, the materials are ideal candidates for a wide range of applications including gas storage, separation technologies and catalysis. Potential applications include the storage of hydrogen for fuel-cell cars, and the removal and storage of carbon dioxide in sustainable technical processes. MOFs offer the inorganic chemist and materials scientist a wide range of new synthetic possibilities and open the doors to new and exciting basic research. Metal-Organic Frameworks Materials provides a solid basis for the understanding of MOFs and insights into new inorganic materials structures and properties. The volume also reflects progress that has been made in recent years, presenting a wide range of new applications including state-of-the art developments in the promising technology for alternative fuels. The comprehensive volume investigates structures, symmetry, supramolecular chemistry, surface engineering, recognition, properties, and reactions. The content from this book will be added online to the Encyclopedia of Inorganic and Bioinorganic Chemistry: http://www.wileyonlinelibrary.com/ref/eibc
Book Synopsis Supercritical Fluid Cleaning by : Samuel P. Sawan
Download or read book Supercritical Fluid Cleaning written by Samuel P. Sawan and published by Elsevier. This book was released on 1998-12-31 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although supercritial fluid (SCF) technology is now widely used in extraction and purification processes (in the petrochemical, food and pharmaceuticals industries), this book is the first to address the new application of cleaning. The objective is to provide a roadmap for readers who want to know whether SCF technology can meet their own processing and cleaning needs. It is particularly helpful to those striving to balance the requirements for a clean product and a clean environment. The interdisciplinary subject matter will appeal to scientists and engineers in all specialties ranging from materials and polymer sciences to chemistry and physics. It is also useful to those developing new processes for other applications, and references given at the end of each chapter provide links to the wider body of SCF literature. The book is organized with topics progressing from the fundamental nature of the supercritical state, through process conditions and materials interactions, to economic considerations. Practical examples are included to show how the technology has been successfully applied. The first four chapters consider principles governing SCF processing, detailing issues such as solubility, design for cleanability, and the dynamics of particle removal. The next three chapters discuss surfactants and microemulsions, SCF interaction with polymers, and the use of supercritical carbon dioxide (CO2) as a cleaning solvent. The closing chapters focus on more practical considerations such as scaleup, equipment costs, and financial analysis.
Book Synopsis Polymer Design and Processes for Supercritical Carbon Dioxide Development and Advanced Lithograpy by : Victor Quan Pham
Download or read book Polymer Design and Processes for Supercritical Carbon Dioxide Development and Advanced Lithograpy written by Victor Quan Pham and published by . This book was released on 2004 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Metal Electrodeposition and the Recent Application by : Masato Sone
Download or read book Novel Metal Electrodeposition and the Recent Application written by Masato Sone and published by BoD – Books on Demand. This book was released on 2019-03-06 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold and noble metals have been attractive to humans from ancient times because of their beautiful features. In modern society, noble metals, especially gold, play important roles as components in electronic devices because of their high electrical conductivity, chemical stability, and density. In the field of MEMS devices, the demand for continuous miniaturization and sensitivity enhancement is always high. Especially for MEMS accelerometers, sensitivity is affected by Brownian noise, and components with sufficient mass are needed to suppress this noise. Therefore, it is difficult to reduce the dimensions of components to allow further miniaturization of the device. This book presents recent progress in noble metal electrodeposition and applications of gold-based materials in the realization of highly sensitive CMOS-MEMS accelerometers.
Book Synopsis Supercritical Carbon Dioxide by : Hullathy Subban Ganapathy
Download or read book Supercritical Carbon Dioxide written by Hullathy Subban Ganapathy and published by LAP Lambert Academic Publishing. This book was released on 2011-07 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: An intense research activity concentrated in the last decade has demonstrated that supercritical carbon dioxide can be used as an attractive alternative for the aqueous and organic solvents.This book presents an overview of the application of supercritical carbon dioxide, mainly focused on the synthesis of polymers such as vinyl polymers, conducting polymers, and biodegradable polymers. In addition, this book addresses the challenges for preparation of the polymeric nanoparticles by RESS and RESOLV methods. A small portion was also dedicated to carbon dioxide aided drug delivery and molecular encapsulation of drugs into different host materials. I believe that this book should be very helpful for scientists involved in multi-disciplinary research topics and industrial communities who are interested in the class of conducting polymers and biopolymers for drug delivery, and also the particle engineering with carbon dioxide for a wide range of applications.
Download or read book Supercritical Fluids written by E. Kiran and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supercritical fluids are neither gas nor liquid, but can be compressed gradually from low to high density and they are therefore interesting and important as tunable solvents and reaction media in the chemical process industry. By adjusting the density the properties of these fluids can be customised and manipulated for a given process - physical or chemical transformation. Separation and processing using supercritical solvents such as CO2 are currently on-line commercially in the food, essential oils and polymer industries. Many agencies and industries are considering the use of supercritical water for waste remediation. Supercritical fluid chromatography represents another, major analytical application. Significant advances have recently been made in materials processing, ranging from particle formation to the creation of porous materials. The chapters in this book provide tutorial accounts of topical areas centred around: (1) phase equilibria, thermodynamics and equations of state; (2) critical behaviour, crossover effects; (3) transport and interfacial properties; (4) molecular modelling, computer simulation; (5) reactions, spectroscopy; (6) phase separation kinetics; (7) extractions; (8) applications to polymers, pharmaceuticals, natural materials and chromatography; (9) process scale-up.
Book Synopsis Advanced Supercritical Fluids Technologies by : Igor Pioro
Download or read book Advanced Supercritical Fluids Technologies written by Igor Pioro and published by BoD – Books on Demand. This book was released on 2020-05-20 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using SuperCritical Fluids (SCFs) in various processes is not new, because Mother Nature has been processing minerals in aqueous solutions at critical and supercritical pressures for billions of years. Somewhere in the 20th century, SCFs started to be used in various industries as working fluids, coolants, chemical agents, etc. Written by an international team of experts and complete with the latest research, development, and design, Advanced Supercritical Fluids Technologies is a unique technical book, completely dedicated to modern and advanced applications of supercritical fluids in various industries.Advanced Supercritical Fluids Technologies provides engineers and specialists in various industries dealing with SCFs as well as researchers, scientists, and students of the corresponding departments with a comprehensive overview of the current status, latest trends and developments of these technologies.Dr Igor Pioro is a professor at the University of Ontario Institute of Technology, Canada, and the Founding Editor of the ASME Journal of Nuclear Engineering and Radiation Science.
Book Synopsis Catalytic Hydrogenation by : L. Cervený
Download or read book Catalytic Hydrogenation written by L. Cervený and published by Elsevier. This book was released on 1986-08-01 with total page 705 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collection of contributions in this volume presents the most up-to-date findings in catalytic hydrogenation. The individual chapters have been written by 36 top specialists each of whom has achieved a remarkable depth of coverage when dealing with his particular topic. In addition to detailed treatment of the most recent problems connected with catalytic hydrogenations, the book also contains a number of previously unpublished results obtained either by the authors themselves or within the organizations to which they are affiliated.Because of its topical and original character, the book provides a wealth of information which will be invaluable not only to researchers and technicians dealing with hydrogenation, but also to all those concerned with homogeneous and heterogeneous catalysis, organic technology, petrochemistry and chemical engineering.
Book Synopsis Good Plant Design and Operation for Onshore Carbon Capture Installations and Onshore Pipelines by : Energy Institute (Great Britain)
Download or read book Good Plant Design and Operation for Onshore Carbon Capture Installations and Onshore Pipelines written by Energy Institute (Great Britain) and published by . This book was released on 2010 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supercritical Carbon Dioxide by : Evie P. Hayden
Download or read book Supercritical Carbon Dioxide written by Evie P. Hayden and published by Nova Science Publishers. This book was released on 2020-03-03 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Supercritical Carbon Dioxide: Functions and Applications presents a constructive overview on the use of supercritical carbon dioxide as an alternative solvent to obtain natural products, instead of using conventional organic solvents. The overview includes the fundamentals, industrial applications, and main experimental findings based on recent studies about supercritical extraction using carbon dioxide. Next, the impregnation of polymer materials with two different ketones with known activity against the main pests of stored products (thymoquinone and R-( )-pulegone) is presented, and the effect of the process variables on ketone loading and the final activity of the impregnated materials is discussed. The authors go on to evaluate the effect of temperature (T: 41-69ÀC) and CO2 density (D: 843-957 kg/m3) on the extraction yield of oil and bioactive compounds of N. gaditana using supercritical CO2, a technology that allows for the selective extraction of compounds of interest by varying the pressure and temperature conditions, producing natural extracts without the use of liquid organic solvents. Hydrophobic modifying coatings on textile materials made of polyethylene terephthalate were obtained by precipitating a low molecular weight fraction of ultrafine polytetrafluoroethylene. The modifier application conditions are also defined. The closing chapter provides an overview on the principal applications related to the supercritical fluid extraction of active compounds from tobacco and tobacco waste, emphasizing the influence of the most important processing parameters on the extraction yield"--
Book Synopsis Modification and Preparation of Membrane in Supercritical Carbon Dioxide by : Guang-Ming Qiu
Download or read book Modification and Preparation of Membrane in Supercritical Carbon Dioxide written by Guang-Ming Qiu and published by . This book was released on 2010 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
