Polymer Processing With Supercritical Fluids
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Polymer Processing With Supercritical Fluids
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Author : Vannessa Goodship
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 2005
Polymer Processing With Supercritical Fluids written by Vannessa Goodship and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
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.
Supercritical Carbon Dioxide
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Author : Maartje F. Kemmere
language : en
Publisher: John Wiley & Sons
Release Date : 2006-05-12
Supercritical Carbon Dioxide written by Maartje F. Kemmere and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-12 with Technology & Engineering categories.
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.
Foaming With Supercritical Fluids
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Author : Ernesto Di Maio
language : en
Publisher: Elsevier
Release Date : 2021-11-06
Foaming With Supercritical Fluids written by Ernesto Di Maio and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-06 with Science categories.
Foaming with Supercritical Fluids, Volume Nine provides a comprehensive description of the use of supercritical fluids as blowing agents in polymer foaming. To this aim, the fundamental issues on which the proper design and control of this process are rooted are discussed in detail, with specific attention devoted to the theoretical and experimental aspects of sorption thermodynamics of a blowing agent within a polymer, the effect of the absorbed blowing agent on the thermal, interfacial and rheological properties of the expanding matter, and the phase separation of the gaseous phase, and of the related bubble nucleation and growth phenomena. Several foaming technologies based on the use of supercritical blowing agents are then described, addressing the main issues in the light of the underlying chemical-physical phenomena. Offers strong fundamentals on polymer properties important on foaming Outlines the use of supercritical fluids for foaming Covers theoretical points-of-view, including foam formation of the polymer/gas solution to the setting of the final foam Discusses the several processing technologies and applications
Supercritical Fluid Extraction
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Author : Mark McHugh
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Supercritical Fluid Extraction written by Mark McHugh and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Supercritical Fluid Extraction is a technique in which CO2 is used under extremely high pressure to separate solution (e.g., removing caffeine from coffee). Separations is basic to all process industries and supercritical fluid extraction is a specific type which is receiving a high level of attention. The book will combine basic fundamentals with industrial applications. The second edition has been expanded and updated and includes new chapters on chromatography and food processing. "...this is an excellent book which is both instructive and amusing to read. Its true value is neatly summarised in one of the closing sentences: 'We have supplied you with the guidelines and criteria which you can now apply when considering supercritical fluids for your own needs.'' - Chemistry in Britain, February 1995
Product Process And Plant Design Using Subcritical And Supercritical Fluids For Industrial Application
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Author : Željko Knez
language : en
Publisher: Springer Nature
Release Date : 2023-07-03
Product Process And Plant Design Using Subcritical And Supercritical Fluids For Industrial Application written by Željko Knez and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-03 with Science categories.
This book describes cutting edge technology using supercritical fluids for the production of foodstuffs, medicals, and polymers. It illustrates the importance and use of basic data for design and operation at industrial scale units. The book's authors have several decades of experience of applied research on how to develop large scale industrial units. It provides readers complete insight in design and operation of industrial high pressure process plants. The book is written so it may be understood for people (with?) little or no background on high pressure process technology. It will provide information on how some foodstuffs, medicals, polymers are produced using high pressure technologies. The book demonstrates the importance of fundamental data, how to measure them and how to apply them to design industrial plants. At the same time, it also serves as a textbook for students.
Supercritical Fluids
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Author : E. Kiran
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Supercritical Fluids written by E. Kiran and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Supercritical Fluids Innovations And Applications
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Author : Siti Machmudah
language : en
Publisher: Penerbit Andi
Release Date : 2024-06-02
Supercritical Fluids Innovations And Applications written by Siti Machmudah and has been published by Penerbit Andi this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-02 with Technology & Engineering categories.
This book explores the range and the utility of supercritical fluid system in a variety of diverse chemical applications. The book highlighted the green process and served the necessary background and details about separation, material processing, and reaction regarding technique, mechanism, protocol, and potential applications; hence it can appeal to academics and industrialists. Both from a chemical as well as engineering scene, the book updates the recent advances in supercritical fluid technology and other pressurized-solvent system (subcritical water technology). The most wide-spread use of supercritical CO2 as a solvent has been in supercritical fluid extraction and fractionation processes. Other applications are recrystallization of pharmaceuticals, metal nanoparticles generation, and polymer processing. Sub or supercritical water is a unique green solvent which can serve a high solubility for many weakly-polar organics and light inorganic gases. This solvent denotes very high reactivity for biomass processing.
Fluid Phase Behavior Of Systems Involving High Molecular Weight Compounds And Supercritical Fluids
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Author : Pedro F. Arce
language : en
Publisher:
Release Date : 2010
Fluid Phase Behavior Of Systems Involving High Molecular Weight Compounds And Supercritical Fluids written by Pedro F. Arce and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Fluid dynamics categories.
Although supercritical fluids (SCF) and their unique solvent characteristics have been a matter of continuing scientific interest since the past century, their potential benefit to chemical processing have not been fully realised; it is only in the past three decades that SCF solvents have been the focus of active research and development programs, especially in the area of polymer processing.
Supercritical Fluids
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Author : E. Kiran
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Supercritical Fluids written by E. Kiran and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
Supercritical fluids which are neither gas nor liquid, but can be compressed gradually from low to high density, are gaining increasing importance as tunable solvents and reaction media in the chemical process industry. By adjusting the pressure, or more strictly the density, the properties of these fluids are customized and manipulated for the particular process at hand, be it a physical transformation, such as separation or solvation, or a chemical transformation, such as a reaction or reactive extraction. Supercritical fluids, however, differ from both gases and liquids in many respects. In order to properly understand and describe their properties, it is necessary to know the implications of their nearness to criticality, to be aware of the complex types of phase separation (including solid phases) that occur when the components of the fluid mixture are very different from each other, and to develop theories that can cope with the large differences in molecular size and shape of the supercritical solvent and the solutes that are present.
Supercritical Fluid Cleaning
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Author : Samuel P. Sawan
language : en
Publisher: Elsevier
Release Date : 1998-12-31
Supercritical Fluid Cleaning written by Samuel P. Sawan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-12-31 with Technology & Engineering categories.
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.