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Author : Lih-Long Chu
Publisher :
ISBN 13 :
Total Pages : 570 pages
Book Rating : 4.:/5 (365 download)
Download or read book Flow Analysis of Polymerization in a Model Twin Screw Extruder written by Lih-Long Chu and published by . This book was released on 1995 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yeh Wang
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9781859571965
Total Pages : 132 pages
Book Rating : 4.5/5 (719 download)
Download or read book Compounding in Co-Rotating Twin-Screw Extruders written by Yeh Wang and published by iSmithers Rapra Publishing. This book was released on 2000 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the geometric structure of modular extruders, development of the various units of an extruder and their functions, the flow mechanisms and models of their behaviour and experimental studies of extruder performance and applications. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.
Author : M.J. Stevens
Publisher : Springer Science & Business Media
ISBN 13 : 940110557X
Total Pages : 502 pages
Book Rating : 4.4/5 (11 download)
Download or read book Extruder Principles and Operation written by M.J. Stevens and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to fill a gap between the theoretical studies and the practical experience of the processor in the extrusion of thermoplastic polymers. The former have provided a basis for numerical design of extruders and their components, but generally give scant attention to the practical performance, especially to the conflict between production rate and product quality. In practice extruders are frequently purchased to perform a range of duties; even so, the operator may have to use a machine designed for another purpose and not necessarily suitable for the polymer, process or product in hand. The operator's experience enables him to make good product in unpromising circumstances, but a large number of variables and interactions often give apparently contradictory results. The hope is that this book will provide a logical background, based on both theory and experience, which will help the industrial processor to obtain the best performance from his equipment, to recognize its limitations, and to face new problems with confidence. Mathematics is used only to the extent that it clarifies effects which cannot easily be expressed in words; ifit is passed over, at least a qualitative understanding should remain. The approximate theory will not satisfy the purist, but this seems to the authors less important than a clear representation of the physical mechanisms on which so much of the polymer processing industry depends. M. J. STEVENS J. A.
Author : Eung Kyu Kim
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.:/5 (459 download)
Download or read book Investigation of Transient Flow and Element Analysis in Modular Intermeshing Co-rotating Twin Screw Extruders written by Eung Kyu Kim and published by . This book was released on 2000 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chan I. Chung
Publisher :
ISBN 13 : 9783446424098
Total Pages : 483 pages
Book Rating : 4.4/5 (24 download)
Download or read book Extrusion of Polymers written by Chan I. Chung and published by . This book was released on 2011 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author presents single-screw extrusion technology together with the relevant polymer fundamentals, with an emphasis on screw design. The presentation begins on a physical level providing an in-depth tutorial for conceptual understanding, followed by an analytical level with mathematical models. Practical applications of the mathematical models are illustrated by examples. A brief description of twin-screw extrusion technology is also presented. The second edition includes new chapters on die design, elastic effects in melt flow, and a new type of single-screw extruder with channeled barrel as well as improvements and corrections in the first edition. Content: " Physical Description of Single-Screw Extrusion " Fundamentals of Polymers and Melt Rheology " Theory of Single-Screw Extrusion and Scale-Up " Screw Design and High Performance Screws " Gear Pumps, Static Mixers, and Dynamic Mixers " Physical Description of Twin-Screw Extruders " Die Design " Elastic Effects in Melt Flow " Special Single-Screw Extruder with Channeled Barrel
Author : Neil Phillip Stuber
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (319 download)
Download or read book Studies of Continuous Methylmethacrylate Polymerization in a Twin-screw Extruder written by Neil Phillip Stuber and published by . This book was released on 1986 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pierre G. Lafleur
Publisher : John Wiley & Sons
ISBN 13 : 1118827171
Total Pages : 284 pages
Book Rating : 4.1/5 (188 download)
Download or read book Polymer Extrusion written by Pierre G. Lafleur and published by John Wiley & Sons. This book was released on 2014-05-09 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extrusion is by far the most important and the oldest processing and shaping method for thermoplastic polymers. This process concerns almost all synthetic polymers, as well as elastomers or food materials. Single-screw extrusion is mainly used nowadays to manufacture finished goods or semi-finished products. More than 90 million tons of thermoplastics are therefore processed every year. Twin-screw extrusion may be divided into two systems: contra-rotating systems used within the context of PVC extrusion, for the manufacture of pipes or profiles; and co-rotating systems experiencing nowadays a very significant development, because of their significant adaptability and flexibility, which enables the manufacture of specific materials (polymer alloys, thermoplastic elastomers, filled polymers, nanocomposites). Extrusion is carried out by passing molten polymer through a tool called die that will give the product its final shape (films and sheets, rolled products, and electric cables). Thanks to the design of dies, we obtain at the output a product with controlled dimensions, uniform speeds and homogeneous temperatures. The book will discuss the same production types, but only in the case of coextrusion flows, i.e. multilayer stratified products. First of all, we will present in this book the physics of the mechanisms at stake, then propose more or less complex models in order to describe these mechanisms and then go forward in the interpretation of results and the control of condition flows.
Author : Chris Rauwendaal
Publisher : Carl Hanser Verlag GmbH Co KG
ISBN 13 : 1569905398
Total Pages : 953 pages
Book Rating : 4.5/5 (699 download)
Download or read book Polymer Extrusion written by Chris Rauwendaal and published by Carl Hanser Verlag GmbH Co KG. This book was released on 2014-03-20 with total page 953 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initially published "to bridge the gap between theory and practice in extrusion," this 5th edition of Polymer Extrusion continues to serve the practicing polymer engineer and chemist, providing the theoretical and the practical tools for successful extrusion operations. In its revised and expanded form, it also incorporates the many new developments in extrusion theory and machinery over the last years. Contents · Different Types of Extruders · Extruder Hardware · Instrumentation and Control · Fundamental Principles · Important Polymer Properties · Functional Process Analysis · Extruder Screw Design · Die Design · Twin Screw Extruders · Troubleshooting Extruders · Modeling and Simulation of the Extrusion Process
Author : James Lindsay White
Publisher :
ISBN 13 : 9783446196247
Total Pages : 444 pages
Book Rating : 4.1/5 (962 download)
Download or read book Screw Extrusion written by James Lindsay White and published by . This book was released on 2003 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Screw extruders are the most important of all polymer processing machines There is a need for a comprehensive book on this subject. This book emphazises the understanding of the underlaying principles of screw extrusion, the design and behavior of screw based machines. It helps the enineer t optimize his equipment and enhance production rates. Contents: · Introduction · Fundamentals · Screw Extrusion Technology · Technology of Single Screw Extrusion with Reciprocating Screws · Single Screw Extruder Analysis and Design · Twin and Multiscrew Extrusion
Author : Zehev Tadmor
Publisher : John Wiley & Sons
ISBN 13 : 0470355921
Total Pages : 1004 pages
Book Rating : 4.4/5 (73 download)
Download or read book Principles of Polymer Processing written by Zehev Tadmor and published by John Wiley & Sons. This book was released on 2013-12-02 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Chan I. Chung
Publisher : Carl Hanser Verlag GmbH Co KG
ISBN 13 : 1569907382
Total Pages : 488 pages
Book Rating : 4.5/5 (699 download)
Download or read book Extrusion of Polymers written by Chan I. Chung and published by Carl Hanser Verlag GmbH Co KG. This book was released on 2019-10-07 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author presents single-screw extrusion technology together with the relevant polymer fundamentals, with an emphasis on screw design. The presentation begins on a physical level, providing an in-depth conceptual understanding, followed by an analytical level with mathematical models. Practical applications of the mathematical models are illustrated by numerous examples. A brief description of twin-screw extrusion technology is also presented. New in the third edition: a novel patented barrier screw design that eliminates shortcomings of all previous barrier screw designs, more descriptive specific screw design guidelines, a scientifically designed pineapple mixing section, and general improvements and corrections. Contents: • Physical Description of Single-Screw Extrusion • Fundamentals of Polymers and Melt Rheology • Theories of Single-Screw Extrusion and Scale-Up • Screw Design and High Performance Screws • Gear Pumps, Static Mixers, and Dynamic Mixers • Die Design • Viscoelastic Effects in Melt Flow • Special Single-Screw Extruder with Channeled Barrel • Physical Description of Twin-Screw Extruders
Author : Günter Beyer
Publisher : John Wiley & Sons
ISBN 13 : 352734098X
Total Pages : 434 pages
Book Rating : 4.5/5 (273 download)
Download or read book Reactive Extrusion written by Günter Beyer and published by John Wiley & Sons. This book was released on 2018-01-03 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first comprehensive overview of reactive extrusion technology for over a decade combines the views of contributors from both academia and industry who share their experiences and highlight possible applications and markets. They also provide updated information on the underlying chemical and physical concepts, summarizing recent developments in terms of the material and machinery used. As a result, readers will find here a compilation of potential applications for reactive extrusion to access new and cost-effective polymeric materials, while using existing compounding machines.
Author : Lih-Long Chu
Publisher :
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.:/5 (957 download)
Download or read book Experiments and Analysis of Polymerization of Methyl Methacrylate in a Model Twon-screw Extruder written by Lih-Long Chu and published by . This book was released on 1991 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Lindsay White
Publisher : Hanser Gardner Publications
ISBN 13 : 9781569904718
Total Pages : 318 pages
Book Rating : 4.9/5 (47 download)
Download or read book Twin Screw Extrusion written by James Lindsay White and published by Hanser Gardner Publications. This book was released on 2010 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twin screw extrusion has become an important part of polymer processing technology. Twin screw extruders are widely used for reactive, procesing, including both polymerization and grafting reactions, for compounding, blending, devolatilization, as well as for thermoplastic final shaping operations, particularly profile extrusion. The purpose of this book is to carefully describe each of these three types of machines and the historical development of their technologies. The book also provides insight into the efforts to model/simulate the flow characteristics of these machines and into the experimental studies of their machine characteristics. This book is unique in clearly distinguishing between the different types of twin screw extruders on the market and in reviewing their capabilities. It is the authors' primary intention to provide a balanced but in-depth overview of twin screw extrusion technology to chemists, engineers and technologists alike
Author : Qibo Jiang (Materials engineer)
Publisher :
ISBN 13 :
Total Pages : 287 pages
Book Rating : 4.:/5 (122 download)
Download or read book Modeling Flow, Melting, Solid Conveying and Global Behavior in Intermeshing Counter-rotating Twin Screw Extruders written by Qibo Jiang (Materials engineer) and published by . This book was released on 2008 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intermeshing counter-rotating twin screw extruders are widely applied in polymer processing industry, especially in compounding and PVC profile processing. However, the design of this type of machines is generally based on experiences and error-and-try. In addition, most of the investigations on intermeshing counter-rotating twin screw extruders were made on the melt conveying region. There is a lack of adequate study on a complete extrusion process to this type of machines. In this study, models were developed to simulate the extrusion processes, including solid conveying, melting and metering, evaluate the performance of intermeshing counter-rotating twin screw extruders, and optimize the design of machines and operating conditions. Experiments were carried out on a laboratory modular intermeshing counter-rotating twin screw extruder to observe solid conveying, the melting process and the global behavior of this type of machine. The solid bed is formed in the solid conveying region. The inter-screw region plays a dominant role in the melting process. Based on our observations, models were developed to describe both the solid conveying and the melting process. Based on hydrodynamic lubrication theory, a melt conveying model was developed to characterize the pumping capacity of screw elements in intermeshing counter-rotating twin screw extruders. The effect of screw channel aspect ratio (screw channel depth / width) was incorporated into the melt conveying model to improve the prediction of screw pumping capacity. Calculations were made to investigate the effect of geometrical parameter on screw pumping capacity. Models of solid conveying, the melting process and melt conveying were integrated together and a global composite model was developed to characterize the whole intermeshing counter-rotating twin screw extrusion process. The global model is intended for both flood fed and metered starved fed conditions. This is the first composite model designed for this type of machines. Simulations and experiment results were compared and it was found that they match very well. This global model was further successfully developed into user-friendly software, which is used to design, test and optimize intermeshing counter-rotating twin screw extruders.
Author : Johannes Karl Fink
Publisher : William Andrew
ISBN 13 : 1455731587
Total Pages : 559 pages
Book Rating : 4.4/5 (557 download)
Download or read book Reactive Polymers Fundamentals and Applications written by Johannes Karl Fink and published by William Andrew. This book was released on 2013-04-11 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of reactive polymers enables manufacturers to make chemical changes at a late stage in the production process—these in turn cause changes in performance and properties. Material selection and control of the reaction are essential to acheive optimal performance. The second edition of Reactive Polymers Fundamentals and Applications introduces engineers and scientists to the range of reactive polymers available, explains the reactions that take place, and details applications and performance benefits. Basic principles and industrial processes are described for each class of reactive resin (thermoset), as well as additives, the curing process, and applications and uses. The initial chapters are devoted to individual resin types (e.g. epoxides, cyanacrylates, etc.); followed by more general chapters on topics such as reactive extrusion and dental applications. Material new to this edition includes the most recent developments, applications and commercial products for each chemical class of thermosets, as well as sections on fabrication methods, reactive biopolymers, recycling of reactive polymers, and case studies. Injection molding of reactive polymers, radiation curing, thermosetting elastomers, and reactive extrusion equipment are all covered as well. - Most comprehensive source of information about reactive polymers - Covers basics as well as most recent developments, including reactive biopolymers, recycling of reactive polymers, nanocomposites, and fluorosilicones - Indispensable guide for engineers and advanced students alike—providing extensive literature and patent review
Author : N. A. Dotson
Publisher : John Wiley & Sons
ISBN 13 : 9780471186151
Total Pages : 392 pages
Book Rating : 4.1/5 (861 download)
Download or read book Polymerization Process Modeling written by N. A. Dotson and published by John Wiley & Sons. This book was released on 1996-12-17 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large numbers of chemical engineers work with polymerization reactions and the problems and the challenges particular to the production of polymers. These problems have no counterparts in small-molecule reactions, and thus usually are neglected in standard reactor courses. This book provides a clearly written, comprehensive textbook on polymerization reactor engineering, appropriate for senior-level undergraduate and 1st- and 2nd-year graduate students. It focuses on polymer structure and structure-property relationships conditions that can play a role in dictating stucture.
