Foaming With Supercritical Fluids
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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
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.
Polymer Nanocomposite Foams
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Author : Vikas Mittal
language : en
Publisher: CRC Press
Release Date : 2013-10-18
Polymer Nanocomposite Foams written by Vikas Mittal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-18 with Technology & Engineering categories.
Advancements in polymer nanocomposite foams have led to their application in a variety of fields, such as automotive, packaging, and insulation. Employing nanocomposites in foam formation enhances their property profiles, enabling a broader range of uses, from conventional to advanced applications. Since many factors affect the generation of nanost
Handbook Of Foaming And Blowing Agents
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Author : George Wypych
language : en
Publisher: Elsevier
Release Date : 2022-03-12
Handbook Of Foaming And Blowing Agents written by George Wypych and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-12 with Technology & Engineering categories.
Handbook of Foaming and Blowing Agents, Second Edition includes the most current information on foaming technology, guiding users on the proper selection of formulation, which is highly dependent on the mechanisms of action of blowing agents and foaming agents, as well as dispersion and solubility. The book includes properties of 23 groups of blowing agents and the typical range of technical performance for each group, including general properties, physical-chemical properties, health and safety, environmental impact, and applications in different products and polymers. All information is illustrated by chemical reactions and diagrams. Chapters in the book look at foaming mechanisms with the use of solid blowing agents, which are decomposed to the gaseous products by application of heat, production of gaseous products by chemical reaction, and foaming by gases and evaporating liquids. - Introduces the fundamental mechanisms of action of blowing agents and foaming - Includes best practice guidance to help engineers and technicians improve the efficiency of their existing foaming processes - Enables practitioners to select blowing agents and foaming methods more effectively, thus reducing the risk of poor specification - Introduces useful analytical techniques for foaming - Discusses the environmental impact of foaming processes
Polymeric Foams
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Author : Shau-Tarng Lee
language : en
Publisher: CRC Press
Release Date : 2016-11-03
Polymeric Foams written by Shau-Tarng Lee and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-03 with Technology & Engineering categories.
Polymeric foams are sturdy yet lightweight materials with applications across a variety of industries, from packaging to aerospace. As demand for these materials increase, so does innovation in the development of new processes and products. This book captures the most dynamic advances in processes, technologies, and products related to the polymeric foam market. It describes the latest business trends including new microcellular commercialization, sustainable foam products, and nanofoams. It also discusses novel processes, new and environmentally friendly blowing agents, and the development and usage of various types of foams, including bead and polycarbonate, polypropylene, polyetherimide microcellular, and nanocellular. The book also covers flame-retardant foams, rigid foam composites, and foam sandwich composites and details applications in structural engineering, electronics, and insulation. Authored by leading experts in the field, this book minimizes the gap between research and application in this important and growing area.
Innovative And Emerging Technologies For Textile Dyeing And Finishing
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Author : Luqman Jameel Rather
language : en
Publisher: John Wiley & Sons
Release Date : 2021-02-17
Innovative And Emerging Technologies For Textile Dyeing And Finishing written by Luqman Jameel Rather 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 2021-02-17 with Science categories.
With the public enhanced awareness towards eco-preservation, eco-safety and health concerns, environmentally benign, nontoxic and sustainable bioresource materials produced mainly from non-food crops have revolutionized all industrial sectors particularly textile industry. In recent years, textile industries in developed countries are getting increasing interest in global interest due to the varied and changing world market conditions in terms of price, durability and fiber mixtures as well as design, colors, weight, ease of handling and product safety. The increasing environmental and health concerns owing to the use of large quantities of water and hazardous chemicals in conventional textile finishing processes lead to the design and development of new dyeing strategies and technologies. Effluents produced from these textiles wet processing industries are very diverse in chemical composition, ranging from inorganic finishing agents, surfactants, chlorine compounds, salts, total phosphate to polymers and organic products. This aspect forced western countries to exploit their high technical skills in the advancements of textile materials for high quality technical performances, and development of cleaner production technologies for cost effective and value-added textile materials. Therefore, vast and effective research investigations have been undertaken all over the world to minimize the negative environmental impact of synthetic chemical agents through the sustainable harvest of eco-friendly bioresource materials. The book will discuss following research developments in academic and industry: Improvement in dye extraction and its applications Impact of textile dyeing on environment Textile finishing by natural and ecofriendly means Natural dyes as environmental-friendly bioresource products Textile effluent remediation via physical, chemical and biological processes.
Supercritical Fluids
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Author : E. Kiran
language : en
Publisher: Springer Science & Business Media
Release Date : 1994-06-30
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 1994-06-30 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.
Handbook Of Polymer Foams
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Author : David Eaves
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 2004
Handbook Of Polymer Foams written by David Eaves 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 Technology & Engineering categories.
This Handbook reviews the chemistry, manufacturing methods, properties and applications of the synthetic polymer foams used in most applications. In addition, a chapter is included on the fundamental principles, which apply to all polymer foams. There is also a chapter on the blowing agents used to expand polymers and a chapter is on microcellular foams - a relatively new development where applications are still being explored.
Multifunctional Polymeric Foams
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Author : Soney C. George
language : en
Publisher: CRC Press
Release Date : 2023-03-24
Multifunctional Polymeric Foams written by Soney C. George and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-24 with Technology & Engineering categories.
Polymeric foams or cellular or expanded polymers have characteristics that makes their usage possible for several industrial and household purposes. This book is focused on the recent advancements in the synthesis of polymer foams, various foaming methods, foaming technology, mechanical and physical properties, and the wide variety of its applications. Divided into 11 chapters, it explains empirical models connecting the geometrical structure of foams with their properties including structure-property relations. This book: Describes functional foams, their manufacturing methods, properties, and applications Covers various blowing agents, greener methods for foaming, and their emerging applicability Illustrates comparative information regarding polymeric foams and their recent developments with polymer nanocomposite foams Includes applications in mechanical, civil, biomedical, food packaging, electronics, health care industry, and acoustics fields Reviews elastomeric foams and their nanocomposite derivatives This book is aimed at researchers and graduate students in materials science, mechanical engineering, and polymer science.
Encyclopedia Of Polymer And Rubber Additives
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Author : George Wypych
language : en
Publisher: Elsevier
Release Date : 2024-01-03
Encyclopedia Of Polymer And Rubber Additives written by George Wypych and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-03 with Technology & Engineering categories.
Encyclopedia of Polymer and Rubber Additives documents how polymer properties and performance can be improved through the use of additives, resulting in enhanced physical properties, stability, improved process and assembly, extended shelf life, enhanced purity, and minimized environmental impact. 88 groups of additives used by all segments of the polymer and rubber industries are included, with each group discussed in a systematic manner in order to facilitate easy information retrieval and comparison. Typical chemical structures, mechanisms of action, influences and interferences in complex formulations, and evidence of performance from experimental studies are each featured, with frequent references to monographic sources for even more in-depth knowledge of the subject. The companion volume, Databook of the Most Important Polymer and Rubber Additives is also available. It contains robust technical data on the most essential additives currently in use, and the two books are must-have references for anyone working with rubbers and plastics. - Provides a complete set of tables, classifications, and information related to a wide variety of commercially used additives for polymers and rubbers - Details the characteristics of hundreds of additives that can improve performance of physical properties, stability, and storage life, provide colorants, reduce costs, enhance purity, and minimize environmental impact - Facilitates information retrieval and comparison, discussing mechanisms of action, suitable features, modifications, evidence of performance from experimental studies, and more