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Foam Extrusion

Author: S.-T. Lee
Publisher: CRC Press
ISBN: 143989860X
Size: 33.12 MB
Format: PDF
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Combining the science of foam with the engineering of extrusion processes, Foam Extrusion: Principles and Practice delivers a detailed discussion of the theory, design, processing, and application of degradable foam extraction. In one comprehensive volume, the editors present the collective expertise of leading academic, research, and industry specialists while laying the scientific foundation in such a manner that the microscopic transition from a nucleus to a void (nucleation) and macroscopic movement from a void to an object (formation) are plausibly addressed. To keep pace with significant improvements in foam extrusion technology, this Second Edition: Includes new chapters on the latest developments in processing/thermal management, rheology/melt strength, and biodegradable and sustainable foams Features extensive updates to chapters on extrusion equipment, blowing agents, polyethylene terephthalate (PET) foam, and microcellular innovation Contains new coverage of cutting-edge foaming mechanisms and technology, as well as new case studies, examples, and figures Capturing the interesting evolution of the field, Foam Extrusion: Principles and Practice, Second Edition provides scientists, engineers, and product development professionals with a modern, holistic view of foam extrusion to enhance research and development and aid in the selection of the optimal screw, die design, and foaming system.

Foam Extrusion

Author: Shau-Tarng Lee
Publisher: CRC Press
ISBN: 9781420014129
Size: 25.28 MB
Format: PDF, Kindle
View: 6698
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Foam Extrusion: Principles and Practice combines the science of foam with the engineering of extrusion processes in one comprehensive volume, joining scientific principles and engineering practice. Starting with the fundamentals and then moving to phase separation, the text lays the scientific foundation in such a manner that the microscopic transition from a nucleus to a void (nucleation) and macroscopic movement from a void to an object (formation) are plausibly addressed. The last section of the book presents interesting foam extrusion developments, demonstrating how scientific findings can be applied to the engineering field, from principles to batch experimentation and continuous foaming. Each chapter concludes with a section of references for further study, and most include a nomenclature section and/or summary section as well. Drawing from the experience of the editor and the authors, Foam Extrusion: Principles and Practice captures the interesting evolution of foam extrusion, and offers a solid foundation for future developments. It is an informative guide for anyone involved with this field.

Polymeric Foams

Author: Shau-Tarng Lee
Publisher: CRC Press
ISBN: 1315352370
Size: 51.69 MB
Format: PDF, Kindle
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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.

Pharmaceutical Extrusion Technology Second Edition

Author: Isaac Ghebre-Sellassie
Publisher: CRC Press
ISBN: 1351129007
Size: 30.64 MB
Format: PDF, Mobi
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The first edition of Pharmaceutical Extrusion Technology, published in 2003, was deemed the seminal book on pharmaceutical extrusion. Now it is expanded and improved, just like the usage of extrusion has expanded, improved and evolved into an accepted manufacturing technology to continuously mix active pharmaceutical ingredients with excipients for a myriad of traditional and novel dosage forms. Pharmaceutical Extrusion Technology, Second Edition reflects how this has spawned numerous research activities, in addition to hardware and process advancements. It offers new authors, expanded chapters and contains all the extrusion related technical information necessary for the development, manufacturing, and marketing of pharmaceutical dosage forms.

Cold Hibernated Elastic Memory Structure

Author: Witold M. Sokolowski
Publisher: CRC Press
ISBN: 042975955X
Size: 12.62 MB
Format: PDF
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Cold hibernated elastic memory (CHEM) is a smart material technology that uses shape memory polymers in open cellular (foam) structures. CHEM foams are self-deployable and use the foam's elastic recovery plus their shape memory to erect structures. This book describes CHEM self-deployable structure technology, provides basic property data and characteristics, discusses advantages over other deployable structures, and identifies potential space, commercial, and biomedical applications, including medical devices such as stents for use in endovascular treatment of aneurysms, deployable thermal insulation, and self-repairing bumpers.

Der Gleichl Ufige Doppelschneckenextruder

Author: Klemens Kohlgrüber
Publisher: Carl Hanser Verlag GmbH Co KG
ISBN: 3446452354
Size: 43.69 MB
Format: PDF, ePub, Docs
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Alles zum gleichläufigen Doppelschneckenextruder Bei der Herstellung von Kunststoffen, insbesondere bei der Aufbereitung und Verarbeitung bis zum Fertigprodukt werden Extruder eingesetzt, wobei der gleichläufige Doppelschneckenextruder eine dominante Rolle spielt. Aber auch in anderen Industriezweigen, z. B. der Kautschuk- und Lebensmittelindustrie und zunehmend in der Pharmaindustrie kommen die Gleichdrallschnecken vielfältig zum Einsatz. Eine multifunktionale Maschine Das Fachbuch gibt umfassenden Einblick in die verfahrens- und maschinentechnischen Grundlagen und legt großen Fokus auf Praxisbeispiele. Meist sind die Schnecken modular aufgebaut und können damit sehr flexibel an veränderte Aufgabenstellung und Produkteigenschaften angepasst werden. Für die optimale Auslegung eines Doppelschneckenextruders sind vertiefte Kenntnisse über die Maschine und den Prozess erforderlich. Ein Praxisbuch für Einsteiger und Profis Die zweite Auflage entstand unter Mitwirkung vieler Fachautoren von renommierten Firmen und Hochschulen. Alle inzwischen erfolgten Weiterentwicklungen wurden berücksichtigt. Die zweite Auflage wurde durchgehend neu bearbeitet, ist deutlich erweitert, komplett in Farbe und in neuem Layout. Mit Zusatzmaterial auf der Website des Herausgebers: Videos, Bilder, Beispiel-Aufgaben, Rechentools EXTRA: E-Book inside