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| Author | : Rudy Koopmans |
| Publisher | : CRC Press |
| Total Pages | : 344 |
| Release | : 2010-08-03 |
| Genre | : Science |
| ISBN | : 1420018280 |
The continually growing plastics market consists of more than 250 million tons of product annually, making the recurring problem of polymer melt fracture an acute issue in the extrusion of these materials. Presenting a pictorial library of the different forms of melt fracture and real industrial extrusion melt fracture phenomena, Polymer Melt Fract
| Author | : Savvas G. Hatzikiriakos |
| Publisher | : CRC Press |
| Total Pages | : 484 |
| Release | : 2004-11-30 |
| Genre | : Science |
| ISBN | : 142003068X |
Polymer Processing Instabilities: Control and Understanding offers a practical understanding of the various flows that occur during the processing of polymer melts. The book pays particular attention to flow instabilities that affect the rate of production and the methods used to prevent and eliminate flow instabilities in order to increase product
| Author | : J. Karger-Kocsis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 988 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401144214 |
My heart sank when I was approached by Dr Hastings and by Professor Briggs (Senior Editor of Materials Science and Technology and Series Editor of Polymer Science and Technology Series at Chapman & Hall, respectively) to edit a book with the provisional title Handbook of Poly propylene. My reluctance was due to the fact that my former book [1] along with that of Moore [2], issued in the meantime, seemed to cover the information demand on polypropylene and related systems. Encour aged, however, by some colleagues (the new generation of scientists and engineers needs a good reference book with easy information retrieval, and the development with metallocene catalysts deserves a new update!), I started on this venture. Having some experience with polypropylene systems and being aware of the current literature, it was easy to settle the titles for the book chapters and also to select and approach the most suitable potential contributors. Fortunately, many of my first-choice authors accepted the invitation to contribute. Like all editors of multi-author volumes, I recognize that obtaining contributors follows an S-type curve of asymptotic saturation when the number of willing contributors is plotted as a function of time. The saturation point is, however, never reached and as a consequence, Dear Reader, you will also find some topics of some relevance which are not explicitly treated in this book (but, believe me, I have considered them).
| Author | : Tony Whelan |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 584 |
| Release | : 1994 |
| Genre | : Reference |
| ISBN | : 9780412581809 |
A comprehensive encyclopaedic dictionary on polymer technology with expanded entries - trade name and trade marks, list of abbreviations and property tables.
| Author | : Donald G. Baird |
| Publisher | : John Wiley & Sons |
| Total Pages | : 422 |
| Release | : 2014-03-24 |
| Genre | : Technology & Engineering |
| ISBN | : 0470930586 |
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.
| Author | : J. A. Brydson |
| Publisher | : |
| Total Pages | : 250 |
| Release | : 1981 |
| Genre | : Polymer melting |
| ISBN | : |
| Author | : David Walsh |
| Publisher | : CRC Press |
| Total Pages | : 456 |
| Release | : 1995-08-24 |
| Genre | : Technology & Engineering |
| ISBN | : 9781566763288 |
From the Introduction PVT data consists of records of the specific volume of a material (or its inverse, the density) as a function of pressure and temperature. There are many reasons why the specific volume of a material will undergo changes: changes in the temperature and pressure (thermal expansion and compression), phase changes (solid-solid phase transitions, melting, crystallization, glass transitions, mesophase transitions), degradation reactions, and many more. Conversely, PVT measurements can be used to study these phenomena and also to yield derivative data of direct importance to engineering applications of materials (compressibility, bulk modulus, thermal expansivity, etc.). PVT methods are part of a wide array of thermoanalytical techniques available to scientists and engineers, but PVT is the only commonly practiced technique that includes pressure as a variable. Polymers are sensitive to pressure: the volume itself, the pressure dependence of transition temperatures, and the kinetics of phase transitions are all significant, not only from a scientific point of view, but also for practical applications in polymer engineering, such as processing. Now published. This unique polymer reference book will be useful to all those involved in polymer research and advanced engineering. The more than 350 tables and graphs provide a wealth of important data in easy-to-use form. The introductory chapter provides details on methodology, equipment use, and information on the many ways in which PVT data can be used in research and engineering.
| Author | : Rakesh K. Gupta |
| Publisher | : CRC Press |
| Total Pages | : 416 |
| Release | : 2000-06-14 |
| Genre | : Technology & Engineering |
| ISBN | : 9780824799229 |
An analysis of polymer and composite rheology. This second edition covers flow properties of thermoplastic and thermoset polymers, and general principles and applications of all phases of polymer rheology, with new chapters on the rheology of particulate and fibre composites. It also includes new and expanded detail on polymer blends and emulsions, foams, reacting systems, and flow through porous media as well as composite processing operations.
| Author | : J.-M. Piau |
| Publisher | : Elsevier |
| Total Pages | : 435 |
| Release | : 1996-10-10 |
| Genre | : Technology & Engineering |
| ISBN | : 0080540562 |
This book presents the main results obtained by different laboratories involved in the research group Rheology for polymer melt processing which is associated with French universities, schools of engineering, and the CNRS (Centre National de la Recherche Scientifique - France). The group comprises some 15 research laboratories of varied disciplines (chemistry, physics, material sciences, mechanics, mathematics), but with a common challenge viz. to enhance the understanding of the relationships between macromolecular species, their rheology and their processing. Some crucial issues of polymer science have been addressed: correlation of viscoelastic macroscopic bulk property measurements and models, slip at the wall, extrusion defects, correlation between numerical flow simulations and experiments. Features of the book: • The book is unique in that it allows one to grasp the key issues in polymer rheology and processing at once through a series of detailed state-of-the-art contributions, which were previously scattered throughout the literature. • Each paper was reviewed by experts and the book editors and some coordination was established in order to achieve a readable and easy access style. • Papers have been grouped in sections covering successively: Molecular dynamics, Constitutive equations and numerical modelling, Simple and complex flows. • Each paper can be read independently. Since the book is intended as an introduction to the main topics in polymer processing, it will be of interest to graduate students as well as to scientists in academic and industrial laboratories.
| Author | : Morton M. Denn |
| Publisher | : Cambridge University Press |
| Total Pages | : 264 |
| Release | : 2008-08-04 |
| Genre | : Technology & Engineering |
| ISBN | : 1316583147 |
Most of the shaping in the manufacture of polymeric objects is carried out in the melt state, as it is a substantial part of the physical property development. Melt processing involves an interplay between fluid mechanics and heat transfer in rheologically complex liquids, and taken as a whole it is a nice example of the importance of coupled transport processes. This book is on the underlying foundations of polymer melt processing, which can be derived from relatively straightforward ideas in fluid mechanics and heat transfer; the level is that of an advanced undergraduate or beginning graduate course, and the material can serve as the text for a course in polymer processing or for a second course in transport processes.
