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Polymeric Foams

Author: Shau-Tarng Lee
Publisher: CRC Press
ISBN: 9781420004625
Size: 36.30 MB
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Polymers are among the major hallmarks of 20th-century science, and the explosive outgrowth and tremendous importance of polymeric foams is a testament to their amazing versatility and unique properties. With applications from automotive to acoustic and medical, polymeric foams pervade all areas of our lives. If this growth is to continue into the new millennium, especially in light of stringent environmental regulations, a strong understanding of the basic science and the major technologies behind foam production is critical. Written by experienced and accomplished leaders in the field, Polymeric Foams: Science and Technology provides comprehensive coverage of the fundamentals, technologies, applications, and recent developments. The authors first outline the basic principles and fundamental foaming mechanisms, covering thermodynamics, kinetics, and the basics of blowing agents and foam formation. Foaming technologies and product applications then become the focus, with explanations of structure-property relationships, processing methods, and general types of foams. The book concludes with chapters on recent developments in composite and biodegradable foams that illustrate how to tailor processing to meet application needs. Illuminating the role of polymeric foams in the modern materials landscape, Polymeric Foams: Science and Technology is the perfect guide for developing innovative materials that achieve better performance and regulatory compliance.

Polymeric Foams

Author: Kishan C. Khemani
Publisher: Amer Chemical Society
ISBN:
Size: 12.38 MB
Format: PDF, ePub
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Covering foam composition and uses, this book presents the basics of foaming different polymeric materials. Topics include siloxane, polyimide, polyester, polyisocyanurate, and polyurethane foams. There are also individual chapters on solid-state microcellular foams and extruded microcellular foams, a comprehensive chapter on bubble morphology characterization and its relation to foam properties, as well as a broad chapter on the modeling of intumescent fire-retardant polymers. There are also two theoretical chapters on aspects of foam extrusion and the dynamics of bubble growth.

Polymeric Foams

Author: Shau-Tarng Lee
Publisher: CRC Press
ISBN: 9781420061260
Size: 42.40 MB
Format: PDF
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Explores the Latest Developments in Polymeric Foams Since the 1960s polymeric foams have grown into a solid industry that affects almost every aspect of modern life. The industry has weathered the energy crisis in the 70s, ozone issues in the 80s, and recycle/reuse in the 90s. However, the pace of development and social climate is rapidly changing again, putting the spotlight even more firmly on performance, sustainable resources, and energy security. Coverage of New Products, Technologies, and Regulations Exploring new concepts, innovations, and developments in the field, Polymeric Foams: Technology and Development in Regulation, Process, and Products provides an international perspective on the direction of foam technologies and applications, focusing on the progress in blowing agent research and hydrofluorocarbons for the polyurethane foam industry. The text covers new foam products, including PP/PS interpolymer, nano-, and biodegradable foams. It also examines new technologies, such as injection foam molding and PVC foam; industry and environmental regulations; and research on foam performance, emission impact, and economic effects. Clearly Follows the Development Process As in most fields these days, efforts to be environmentally friendly and achieve enhanced performance for specialty applications drive research and development. Presenting a clear picture of the development process, this book covers not only new directions in the industry, but how they will impact current and future development.

Polyurethane And Related Foams

Author: Kaneyoshi Ashida
Publisher: CRC Press
ISBN: 0203505999
Size: 28.29 MB
Format: PDF
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Polyurethane and Related Foams: Chemistry and Technology is an in-depth examination of the current preparation, processing, and applications of polyurethanes (PURs) and other polymer foams. Drawing attention to novel raw materials, alternative blowing agents, and new processing methods, the book accentuates recent innovations that meet increasingly stringent environmental and fire safety regulations as well as higher quality products. Written by Dr. Kaneyoshi Ashida, a renowned pioneer of polyisocyanurate (PIR) foams, the book details the fundamental chemistry and material properties for each category of foams. The author presents mechanisms for chemical modification and foaming reactions, emphasizing the relationship between molecular design and enhanced physical properties. The latter half of the book focuses on polyurethane foams, the largest segment of the polyisocyanate-based foam industry. It contains a fully updated description of the chemistry, raw materials, manufacturing, formulations, analyses, and testing involved in producing a wide variety of progressive applications, including building materials. This book chronicles the scientific and technological evolution of preparation and processing methods for polyisocyanate-based foams. Polyurethane and Related Foams: Chemistry and Technology offers a clear and concise guide to the technologies, methods, and best practices that help the foam industry meet higher quality, health, and environmental standards.

Polymeric Foams Structure Property Performance

Author: Bernard Obi
Publisher: William Andrew
ISBN: 1455777560
Size: 52.75 MB
Format: PDF, ePub, Docs
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Polymeric Foams Structure–Property–Performance: A Design Guide is a response to the design challenges faced by engineers in a growing market with evolving standards, new regulations, and an ever-increasing variety of application types for polymeric foam. Bernard Obi, an author with wide experience in testing, characterizing, and applying polymer foams, approaches this emerging complexity with a practical design methodology that focuses on understanding the relationship between structure–properties of polymeric foams and their performance attributes. The book not only introduces the fundamentals of polymer and foam science and engineering, but also goes more in-depth, covering foam processing, properties, and uses for a variety of applications. By connecting the diverse technologies of polymer science to those from foam science, and by linking both micro- and macrostructure–property relationships to key performance attributes, the book gives engineers the information required to solve pressing design problems involving the use of polymeric foams and to optimize foam performance. With a focus on applications in the automotive and transportation industries, as well as uses of foams in structural composites for lightweight applications, the author provides numerous case studies and design examples of real-life industrial problems from various industries and their solutions. Provides the science and engineering fundamentals relevant for solving polymer foam application problems Offers an exceptionally practical methodology to tackle the increasing complexity of real-world design challenges faced by engineers working with foams Discusses numerous case studies and design examples, with a focus on automotive and transportation Utilizes a practical design methodology focused on understanding the relationship between structure-properties of polymeric foams and their performance attributes

Integral Structural Polymer Foams

Author: Fyodor A. Shutov
Publisher: Springer Science & Business Media
ISBN: 3662024861
Size: 72.27 MB
Format: PDF, Kindle
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Integral, or structural, foams are one of the most remarkable materials that have been developed over the last fifteen years. As with all rapidly growing fields, the terminology seems to have grown even faster. Thus there are two names for the material structure itself. In the United States and in Japan the term for these plastics is Structural Foams, whereas in Europe and the USSR the term used is usually Integral Foams. We have adhered to the European term in the text and hope our colleagues will bear with us. Integral foams have a specific structure: a cellular core that gradually turns into a solid skin. The skin gives the part its form and stiffness, while the cellular core contributes to the very high strength-to-weight values of the material. These are higher than those of some unfoamed plastics and metals. The sandwich-like structure with its unique mechanical properties was prompted by nature. Wood and bone are strong and light-weight natural materials having a cellular structure. Since the sandwich-like structure of the integral foams resembles that of natural wood, the foams are often referred to as artifical wood or plastic wood, thereby emphasizing not only the formal structural similarity of these materials, but also one of the main functional applications of integral foams - replacement of wooden articles in various fields of engineering and construction.

Handbook Of Polymeric Foams And Foam Technology

Author: Daniel Klempner
Publisher: Hanser Verlag
ISBN: 9781569903360
Size: 72.20 MB
Format: PDF, ePub
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Describing all classes of polymeric foams, including their chemistry, synthesis, commercial production methods, properties, and applications, this handbook is designed to support engineers in their effort to develop practical solutions for industrial design and manufacturing challenges.

Polymer Foams

Author: David Eaves
Publisher: Smart Publications
ISBN: 1859572405
Size: 20.38 MB
Format: PDF, Mobi
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This report provides an overview of the current status of the foam industry. The implications of the Montreal Protocol for blowing agents and for foam production are discussed. The different polymeric foams are considered individually with discussion of key properties, material and processing development and end-use applications. The impact of other environmental influences is also examined, with discussion of waste recovery issues such as the Packaging Waste Directive and the End-of-Life Vehicle Directive.

Handbook Of Polymer Foams

Author: David Eaves
Publisher: iSmithers Rapra Publishing
ISBN: 1859573886
Size: 51.83 MB
Format: PDF, ePub
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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.