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An authoritative reference on the processing and finishing of polymeric materials for scientists and practitioners Owing to their versatility and wide range of applications, polymeric materials are of great commercial importance. Manufacturing processes of commercial products are designed to meet the requirements of the final product and are influenced by the physical and chemical properties of the polymeric material used. Based on Wiley's renowned Encyclopedia of Polymer Science and Technology, Processing and Finishing of Polymeric Materials provides comprehensive, up-to-date details on the latest manufacturing technologies, including blending, compounding, extrusion,molding, and coating. Written by prominent scholars from industry, academia, and research institutions from around the globe, this reference features more than forty selected reprints from the Encyclopedia as well as new contributions, providing unparalleled coverage of such topics as: Additives Antistatic agents Bleaching Blowing agents Calendaring Casting Coloring processes Dielectric heating Electrospinning Embedding Processing and Finishing of Polymeric Materials is an ideal resource for polymer and materials scientists, chemists, chemical engineers, materials scientists, process engineers, and consultants, and serves as a valuable addition to libraries of chemistry, chemical engineering, and materials science in industry, academia, and government.
The volume contains over 30 carefully selected reprints from the Encyclopedia of Polymer Science and Technology as well as new contributions, providing comprehensive, up-to-date information on manufacturing technologies, includingblending, compounding, extrusion, molding, and coating. It will feature the same breadth and quality of coverage and clarity of presentation found in the original work.
"Volume contains over 30 carefully selected reprints from the Encyclopedia of Polymer Science and Technology as well as new contributions, providing comprehensive, up-to-date information on manufacturing technologies, includingblending, compounding, extrusion, molding, and coating. It will feature the same breadth and quality of coverage and clarity of presentation found in the original work"--Provided by publisher.
An authoritative reference on the processing and finishing of polymeric materials for scientists and practitioners Owing to their versatility and wide range of applications, polymeric materials are of great commercial importance. Manufacturing processes of commercial products are designed to meet the requirements of the final product and are influenced by the physical and chemical properties of the polymeric material used. Based on Wiley's renowned Encyclopedia of Polymer Science and Technology, Processing and Finishing of Polymeric Materials provides comprehensive, up-to-date details on the latest manufacturing technologies, including blending, compounding, extrusion,molding, and coating. Written by prominent scholars from industry, academia, and research institutions from around the globe, this reference features more than forty selected reprints from the Encyclopedia as well as new contributions, providing unparalleled coverage of such topics as: Additives Antistatic agents Bleaching Blowing agents Calendaring Casting Coloring processes Dielectric heating Electrospinning Embedding Processing and Finishing of Polymeric Materials is an ideal resource for polymer and materials scientists, chemists, chemical engineers, materials scientists, process engineers, and consultants, and serves as a valuable addition to libraries of chemistry, chemical engineering, and materials science in industry, academia, and government.
Thoroughly revised edition of the classic text on polymer processing The Second Edition brings the classic text on polymer processing thoroughly up to date with the latest fundamental developments in polymer processing, while retaining the critically acclaimed approach of the First Edition. Readers are provided with the complete panorama of polymer processing, starting with fundamental concepts through the latest current industry practices and future directions. All the chapters have been revised and updated, and four new chapters have been added to introduce the latest developments. Readers familiar with the First Edition will discover a host of new material, including: * Blend and alloy microstructuring * Twin screw-based melting and chaotic mixing mechanisms * Reactive processing * Devolatilization--theory, mechanisms, and industrial practice * Compounding--theory and industrial practice * The increasingly important role of computational fluid mechanics * A systematic approach to machine configuration design The Second Edition expands on the unique approach that distinguishes it from comparative texts. Rather than focus on specific processing methods, the authors assert that polymers have a similar experience in any processing machine and that these experiences can be described by a set of elementary processing steps that prepare the polymer for any of the shaping methods. On the other hand, the authors do emphasize the unique features of particular polymer processing methods and machines, including the particular elementary step and shaping mechanisms and geometrical solutions. Replete with problem sets and a solutions manual for instructors, this textbook is recommended for undergraduate and graduate students in chemical engineering and polymer and materials engineering and science. It will also prove invaluable for industry professionals as a fundamental polymer processing analysis and synthesis reference.
Fundamental concepts coupled with practical, step-by-step guidance With its emphasis on core principles, this text equips readers with the skills and knowledge to design the many processes needed to safely and successfully manufacture thermoplastic parts. The first half of the text sets forth the general theory and concepts underlying polymer processing, such as the viscoelastic response of polymeric fluids and diffusion and mass transfer. Next, the text explores specific practical aspects of polymer processing, including mixing, extrusion dies, and post-die processing. By addressing a broad range of design issues and methods, the authors demonstrate how to solve most common processing problems. This Second Edition of the highly acclaimed Polymer Processing has been thoroughly updated to reflect current polymer processing issues and practices. New areas of coverage include: Micro-injection molding to produce objects weighing a fraction of a gram, such as miniature gears and biomedical devices New chapter dedicated to the recycling of thermoplastics and the processing of renewable polymers Life-cycle assessment, a systematic method for determining whether recycling is appropriate and which form of recycling is optimal Rheology of polymers containing fibers Chapters feature problem sets, enabling readers to assess and reinforce their knowledge as they progress through the text. There are also special design problems throughout the text that reflect real-world polymer processing issues. A companion website features numerical subroutines as well as guidance for using MATLAB®, IMSL®, and Excel to solve the sample problems from the text. By providing both underlying theory and practical step-by-step guidance, Polymer Processing is recommended for students in chemical, mechanical, materials, and polymer engineering.
Contents - Preface - Notation - 1. Introduction - 1.1 Polymeric Materials - 1.2 Polymer Processing - 1.3 Analysis of Polymer Processes - 1.4 Scope of the Book - 2. Introduction to the Main Polymer Processes - 2.1 Screw Extrusion - 2.2 Injection Moulding - 2.3 Blow Moulding - 2.4 Calendering - 2.5 Other Processes - 2.6 Effects of Processing - 3. Processing Properties of Polymers - 3.1 Melting and Thermal Properties of Polymers - 3.2 Viscous Properties of Polymer Melts - 3.3 Methods of Measuring Melt Viscosities - 3.4 Elastic Properties of Polymer Melts - 3.5 Temperature and Pressure Dependence of Melt Properties - 3.6 Processing Properties of Solid Polymers - 4. Fundamentals of Polymer Melt Flow - 4.1 Tensor Notation - 4.2 Continuum Mechanics Equations - 4.3 Constitutive Equations - 4.4 Boundary Conditions - 4.5 Dimensional Analysis of Melt Flows - 4.6 The Lubrication Approximation - 4.7 Mixing in Melt Flows - 5. Some Melt Flow Processes - 5.1 Some Simple Extrusion Dies - 5.2 Narrow Channel Flows in Dies and Crossheads - 5.3 Applications to Die Design - 5.4 Calendering - 5.5 Melt Flow in an Intensely Sheared Thin Film - 6. Screw Extrusion - 6.1 Melt Flow in Screw Extruders - 6.2 Solids Conveying in Extruders - 6.3 Melting in Extruders - 6.4 Power Consumption in Extruders - 6.5 Mixing in Extruders - 6.6 Surging in Extruders - 6.7 Over-all Performance and Design of Extruders - 7. Injection Moulding - 7.1 Reciprocating Screw Plastication - 7.2 Melt Flow in Injection Nozzles - 7.3 Flow and Heat Transfer in Moulds - Appendix A. Finite Element Analysis of Narrow Channel Flow - Appendix B. Solution of the Screw Channel Developing Melt Flow Equations - Appendix C. Solution of the Melting Model Equations - Further Reading - Index - Preface - The increasing use of synthetic polymers in preference to metals and other engineering materials for a wide range of applications has been accompanied by the development and improvement of processes for converting them into useful products. Indeed, it is often the comparative ease and cheapness with which polymeric materials can be processed that make them attractive choices. Because of the relatively complex behaviour of the materials, polymer processes may appear to be difficult to understand and analyze quantitatively. The purposes of this book are to introduce the reader briefly to the main methods of processing thermoplastic polymers, and to examine the principles of flow and heat transfer in some of the more industrially important of these processes. Much attention is devoted to the two most widely used methods - screw extrusion and injection moulding. Quantitative analyses based on mathematical models of the processes are developed in order to aid the understanding of them, and to improve both the performance and design of processing equipment. In addition to algebraic formulae, some worked examples are included to illustrate the use of the results obtained. In cases where analytical solutions are not possible, methods of numerical solution using digital computers are discussed in some detail, and typical results presented.
Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.
Polymer compounding plays an important role in the successful use of polymers. It helps to extend the properties of polymers such as durability, stiffness or thermal resistance so that these properties can be incorporated into an improved end-product. Several thousand of compounds currently used incorporate additives such as antioxidants, fillers or lubricants. Innovation is an essential element in polymer compounding with respect to the manufacture of increasingly sophisticated products such as polymer blends and composites. This book gives an idea of the productive area of polymer compounding.Volume 2 focusses on manufacturing technology and processing and provides an overview of the basic and fundamental aspects of polymer compounding. This volume should interest students, scientists and engineers, and constitutes a reference text for the experimental polymer technologist.Written in a simple and accurate style this book can be understood even by the reader who is not familiar with polymer compounding. The book is also very informative and helps give an overall view of compounding. The figures are well organised with technical and economic considerations, as well as consideration of the problems associated with polymer compounding. Therefore, the book is distinctly quantitative in nature and designed to inspire a large audience of industrial and academic polymer scientists interested in the technology of polymer compounding.
The book discusses the raw materials for polymers, polymer forming processes and the various techniques of polymerization. It explains the modification of polymers and all types of additives used with polymers in their end applications. The book also describes the analytical, instrumental and spectroscopic techniques for testing and characterizing polymers, as well as covers the structures and properties of polymers along with their processing and applications. Thermoplastic and thermosetting polymers with a main focus on their manufacturing processes, structures and properties are also discussed. A comparative study of conventional linear polymers and advanced highly branched macromolecules has been included. Finally, a discussion on the basic idea and manufacturing process of some polymer-based industrial products adds value to this text.