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 : 2004
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 2004 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.
Advances In Polymer Processing
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Author : S Thomas
language : en
Publisher: Elsevier
Release Date : 2009-05-30
Advances In Polymer Processing written by S Thomas and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-30 with Technology & Engineering categories.
Processing techniques are critical to the performance of polymer products which are used in a wide range of industries. Advances in polymer processing: From macro- to nano- scales reviews the latest advances in polymer processing, techniques and materials.Part one reviews the fundamentals of polymer processing with chapters on rheology, materials and polymer extrusion. Part two then discusses advances in moulding technology with chapters on such topics as compression, rotational and blow moulding of polymers. Chapters in Part three review alternative processing technologies such as calendaring and coating, foam processing and radiation processing of polymers. Part four discusses micro and nano-technologies with coverage of themes such as processing of macro, micro and nanocomposites and processing of carbon nanotubes. The final section of the book addresses post-processing technologies with chapters on online monitoring and computer modelling as well as joining, machining, finishing and decorating of polymers.With is distinguished editors and team of international contributors, Advances in polymer processing: From macro- to nano- scales is an invaluable reference for engineers and academics concerned with polymer processing. - Reviews the latest advances in polymer processing, techniques and materials analysing new challenges and opportunities - Discusses the fundamentals of polymer processing considering the compounding and mixing of polymers as well as extrusion - Assesses alternative processing technologies including calendaring and coating and thermoforming of polymers
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.
Supercritical Fluids
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Author : E. Kiran
language : en
Publisher: Springer
Release Date : 2014-10-09
Supercritical Fluids written by E. Kiran and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-09 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.
Introduction To Supercritical Fluids
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Author : Richard Smith
language : en
Publisher: Newnes
Release Date : 2013-12-08
Introduction To Supercritical Fluids written by Richard Smith and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-08 with Science categories.
This text provides an introduction to supercritical fluids with easy-to-use Excel spreadsheets suitable for both specialized-discipline (chemistry or chemical engineering student) and mixed-discipline (engineering/economic student) classes. Each chapter contains worked examples, tip boxes and end-of-the-chapter problems and projects. Part I covers web-based chemical information resources, applications and simplified theory presented in a way that allows students of all disciplines to delve into the properties of supercritical fluids and to design energy, extraction and materials formation systems for real-world processes that use supercritical water or supercritical carbon dioxide. Part II takes a practical approach and addresses the thermodynamic framework, equations of state, fluid phase equilibria, heat and mass transfer, chemical equilibria and reaction kinetics of supercritical fluids. Spreadsheets are arranged as Visual Basic for Applications (VBA) functions and macros that are completely (source code) accessible for students who have interest in developing their own programs. Programming is not required to solve problems or to complete projects in the text. - Property worksheets/spreadsheets that are easy to use in learning environments - Worked examples with Excel VBA Worksheet functions allow users to design their own processes - Fluid phase equilibria and chemical equilibria worksheets allow users to change conditions, study new solutes, co-solvents, chemical systems or reactions
Polymers In Drug Delivery
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Author : Ijeoma F. Uchegbu
language : en
Publisher: CRC Press
Release Date : 2006-05-19
Polymers In Drug Delivery written by Ijeoma F. Uchegbu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-19 with Medical categories.
Together, the nano explosion and the genomic revolution are ushering in a new frontier in drug delivery. In recent years we've seen how polymers can play a crucial role in controlling the rate of drug release, enhancing solubility and uptake, and limiting degradation and toxicity. In the very near future, they may well be used to deliver gene thera
Carbon Dioxide Utilization To Sustainable Energy And Fuels
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Author : Inamuddin
language : en
Publisher: Springer Nature
Release Date : 2021-11-30
Carbon Dioxide Utilization To Sustainable Energy And Fuels written by Inamuddin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-30 with Science categories.
This edited book provides an in-depth overview of carbon dioxide (CO2) transformations to sustainable power technologies. It also discusses the wide scope of issues in engineering avenues, key designs, device fabrication, characterizations, various types of conversions and related topics. It includes studies focusing on the applications in catalysis, energy conversion and conversion technologies, etc. This is a unique reference guide, and one of the detailed works is on this technology. The book is the result of commitments by leading researchers from various backgrounds and expertise. The book is well structured and is an essential resource for scientists, undergraduate, postgraduate students, faculty, R&D professionals, energy chemists and industrial experts.
Handbook Of Sustainable Polymers
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Author : Vijay Kumar Thakur
language : en
Publisher: CRC Press
Release Date : 2016-04-27
Handbook Of Sustainable Polymers written by Vijay Kumar Thakur and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-27 with Science categories.
Sustainable polymers play an indispensable role in the emergence of green materials, and the 21st century is an era of sustainable polymeric materials. Sustainable polymer-based materials have attracted considerable interest because of the energy crisis and ecological concerns as well as the potential to substitute certain petroleum-derived materia
Concise Encyclopedia Of Biomedical Polymers And Polymeric Biomaterials
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Author : Munmaya Mishra
language : en
Publisher: CRC Press
Release Date : 2017-08-16
Concise Encyclopedia Of Biomedical Polymers And Polymeric Biomaterials written by Munmaya Mishra and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-16 with Medical categories.
The Concise Encyclopedia of Biomedical Polymers and Polymeric Biomaterials presents new and selected content from the 11-volume Biomedical Polymers and Polymeric Biomaterials Encyclopedia. The carefully culled content includes groundbreaking work from the earlier published work as well as exclusive online material added since its publication in print. A diverse and global team of renowned scientists provide cutting edge information concerning polymers and polymeric biomaterials. Acknowledging the evolving nature of the field, the encyclopedia also features newly added content in areas such as tissue engineering, tissue repair and reconstruction, and biomimetic materials.
Hot Melt Extrusion
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Author : Dennis Douroumis
language : en
Publisher: John Wiley & Sons
Release Date : 2012-06-25
Hot Melt Extrusion written by Dennis Douroumis 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 2012-06-25 with Science categories.
Hot-melt extrusion (HME) - melting a substance and forcing it through an orifice under controlled conditions to form a new material - is an emerging processing technology in the pharmaceutical industry for the preparation of various dosage forms and drug delivery systems, for example granules and sustained release tablets. Hot-Melt Extrusion: Pharmaceutical Applications covers the main instrumentation, operation principles and theoretical background of HME. It then focuses on HME drug delivery systems, dosage forms and clinical studies (including pharmacokinetics and bioavailability) of HME products. Finally, the book includes some recent and novel HME applications, scale -up considerations and regulatory issues. Topics covered include: principles and die design of single screw extrusion twin screw extrusion techniques and practices in the laboratory and on production scale HME developments for the pharmaceutical industry solubility parameters for prediction of drug/polymer miscibility in HME formulations the influence of plasticizers in HME applications of polymethacrylate polymers in HME HME of ethylcellulose, hypromellose, and polyethylene oxide bioadhesion properties of polymeric films produced by HME taste masking using HME clinical studies, bioavailability and pharmacokinetics of HME products injection moulding and HME processing for pharmaceutical materials laminar dispersive & distributive mixing with dissolution and applications to HME technological considerations related to scale-up of HME processes devices and implant systems by HME an FDA perspective on HME product and process understanding improved process understanding and control of an HME process with near-infrared spectroscopy Hot-Melt Extrusion: Pharmaceutical Applications is an essential multidisciplinary guide to the emerging pharmaceutical uses of this processing technology for researchers in academia and industry working in drug formulation and delivery, pharmaceutical engineering and processing, and polymers and materials science. This is the first book from our brand new series Advances in Pharmaceutical Technology. Find out more about the series here.