Co Rotating Twin Screw Extruders Applications
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Co Rotating Twin Screw Extruder
Author | : Klemens Kohlgrüber |
Publsiher | : Carl Hanser Verlag GmbH Co KG |
Total Pages | : 368 |
Release | : 2012-11-12 |
ISBN 10 | : 3446433414 |
ISBN 13 | : 9783446433410 |
Language | : EN, FR, DE, ES & NL |
Co-rotating screws and/or extruders are used in many branches of industry for producing, preparing and/or processing highly viscous materials. They find a wide variety of applications especially in the plastics, rubber and food industries. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes and material behavior are required in order to design twin-screw extruder for economically successful operations. This book provides basic engineering knowledge regarding twin-screw machines; it lists the most important machine-technical requirements and provides examples based on actual practice. Better understanding of the processes is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently. Besides basic functions, such as compounding, the book focuses on: - the historical development of twin-screws - the geometry of the screw elements (fundamentals, basic patents, patents overview) - material properties and material behavior in the machine - fundamentals of feed behavior, pressure build-up and power input - examples of applications for various processing tasks - compounding: tasks, applications, processing zones - potential and limits of modeling - scaling-up various processes - machine design incl. drives and materials
Co rotating Twin screw Extruders
Author | : Klemens Kohlgruber,Klemens Kohlgrüber |
Publsiher | : Hanser Gardner Publications |
Total Pages | : 354 |
Release | : 2008 |
ISBN 10 | : 9781569904220 |
ISBN 13 | : 1569904227 |
Language | : EN, FR, DE, ES & NL |
&Quot;This book provides basic engineering knowledge regarding twin-screw extruders. It covers the most important technical requirements and provides examples based on actual practice. Better understanding of the process is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently."--BOOK JACKET.
Co rotating Twin screw Extruders

Author | : Klemens Kohlgrüber |
Publsiher | : Unknown |
Total Pages | : 354 |
Release | : 2008 |
ISBN 10 | : 9783446413726 |
ISBN 13 | : 3446413723 |
Language | : EN, FR, DE, ES & NL |
Co-rotating screws and/or extruders are used in many branches of industry for producing, preparing and/or processing highly viscous materials. They find a wide variety of applications especially in the plastics, rubber and food industries. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes and material behavior are required in order to design twin-screw extruder for economically successful operations. This book provides basic engineering knowledge regarding twin-screw machines; it lists the most important machine-technical requirements and provides examples based on actual practice. Better understanding of the processes is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently. Besides basic functions, such as compounding, the book focuses on: the historical development of twin-screws the geometry of the screw elements (fundamentals, basic patents, patents overview) material properties and material behavior in the machine fundamentals of feed behavior, pressure build-up and power input examples of applications for various processing tasks compounding: tasks, applications, processing zones potential and limits of modeling scaling-up various processes machine design incl. drives and materials
Reactive Extrusion
Author | : Günter Beyer,Christian Hopmann |
Publsiher | : John Wiley & Sons |
Total Pages | : 432 |
Release | : 2018-01-11 |
ISBN 10 | : 352734098X |
ISBN 13 | : 9783527340989 |
Language | : EN, FR, DE, ES & NL |
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.
Screw Extrusion
Author | : James Lindsay White |
Publsiher | : Unknown |
Total Pages | : 444 |
Release | : 2003 |
ISBN 10 | : 9783446196247 |
ISBN 13 | : 3446196242 |
Language | : EN, FR, DE, ES & NL |
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
Hot Melt Extrusion
Author | : Dennis Douroumis |
Publsiher | : John Wiley & Sons |
Total Pages | : 400 |
Release | : 2012-04-24 |
ISBN 10 | : 1118307879 |
ISBN 13 | : 9781118307878 |
Language | : EN, FR, DE, ES & NL |
Hot-melt extrusion (HME) - melting a substance and forcing it through an orifice under controlled conditions to form a new material - is an emerging processing technology in the pharmaceutical industry for the preparation of various dosage forms and drug delivery systems, for example granules and sustained release tablets. Hot-Melt Extrusion: Pharmaceutical Applications covers the main instrumentation, operation principles and theoretical background of HME. It then focuses on HME drug delivery systems, dosage forms and clinical studies (including pharmacokinetics and bioavailability) of HME products. Finally, the book includes some recent and novel HME applications, scale -up considerations and regulatory issues. Topics covered include: principles and die design of single screw extrusion twin screw extrusion techniques and practices in the laboratory and on production scale HME developments for the pharmaceutical industry solubility parameters for prediction of drug/polymer miscibility in HME formulations the influence of plasticizers in HME applications of polymethacrylate polymers in HME HME of ethylcellulose, hypromellose, and polyethylene oxide bioadhesion properties of polymeric films produced by HME taste masking using HME clinical studies, bioavailability and pharmacokinetics of HME products injection moulding and HME processing for pharmaceutical materials laminar dispersive & distributive mixing with dissolution and applications to HME technological considerations related to scale-up of HME processes devices and implant systems by HME an FDA perspective on HME product and process understanding improved process understanding and control of an HME process with near-infrared spectroscopy Hot-Melt Extrusion: Pharmaceutical Applications is an essential multidisciplinary guide to the emerging pharmaceutical uses of this processing technology for researchers in academia and industry working in drug formulation and delivery, pharmaceutical engineering and processing, and polymers and materials science. This is the first book from our brand new series Advances in Pharmaceutical Technology. Find out more about the series here.
Extrusion
Author | : Harold F. Giles Jr,John R. Wagner, Jr.,Eldridge M. Mount |
Publsiher | : William Andrew |
Total Pages | : 636 |
Release | : 2013-09-21 |
ISBN 10 | : 1437734820 |
ISBN 13 | : 9781437734829 |
Language | : EN, FR, DE, ES & NL |
The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. A practical guide to the selection, design and optimization of extrusion processes and equipment Designed to improve production efficiency and product quality Focuses on practical fault analysis and troubleshooting techniques
Pharmaceutical Extrusion Technology Second Edition
Author | : Isaac Ghebre-Sellassie,Charles E. Martin,Feng Zhang,James DiNunzio |
Publsiher | : CRC Press |
Total Pages | : 413 |
Release | : 2018-03-05 |
ISBN 10 | : 1351129007 |
ISBN 13 | : 9781351129008 |
Language | : EN, FR, DE, ES & NL |
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.
Compounding in Co Rotating Twin Screw Extruders
Author | : Yeh Wang |
Publsiher | : iSmithers Rapra Publishing |
Total Pages | : 136 |
Release | : 2000 |
ISBN 10 | : 9781859571965 |
ISBN 13 | : 1859571964 |
Language | : EN, FR, DE, ES & NL |
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.
The Technology of Extrusion Cooking
Author | : N.D. Frame |
Publsiher | : Springer Science & Business Media |
Total Pages | : 253 |
Release | : 2012-12-06 |
ISBN 10 | : 1461521351 |
ISBN 13 | : 9781461521358 |
Language | : EN, FR, DE, ES & NL |
Extrusion cooking is a specialist area of food technology because of the complexity of the interactive effects which are inherent in the system. General predictive modelling is very difficult because ingredients are diverse and can vary considerably. Modelling tends to be product specifi- new product development tends to be by experimental designs and good fortune. The emphasis of this book is on the latest and potential applications of twin screw extrusion in food production, specifically co-rotating inter meshing screw extruders. Of course, in order to develop products and maximise the extruder potential in terms of energy, product quality and output, an overall understanding of the material flow mechanism, barrel fill length and rheology is essential. The book aims to give explanations and general guidance with examples of screw design, configuration and operat ing parameters for a variety of product categories. It is also intended to help production operators diagnose the symptoms of particular problems such as temperature control, quality variation, raw material inconsistency, etc. For the product development technologist there is more than one way to make a similar product. For example, equipment manufacturers recom mend difficult methods for producing flaked corn. In addition, their machines may differ from each other in terms of screw design, power/ volume ratio, screw tip/barrel clearance, etc. , making scale-up more prob lematic.
Co Rotating Twin Screw Extruders Applications
Author | : Klemens Kohlgrüber |
Publsiher | : Carl Hanser Verlag GmbH Co KG |
Total Pages | : 364 |
Release | : 2020-11-09 |
ISBN 10 | : 156990782X |
ISBN 13 | : 9781569907825 |
Language | : EN, FR, DE, ES & NL |
Co-rotating twin-screw extruders are extensively used for the preparation, compounding, mixing, and processing of plastics, but also in other industry branches, such as in rubber and food processing, and increasingly in the pharmaceutical industry too. Derived from the classic bestselling work "Co-Rotating Twin Screw Extruders", this book focuses on the application and machine technology of co-rotating twin-screw extrusion. It includes functional zones in the extruder, scale-up and scale-down, machine technology, and many application examples from a broad range of areas. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes, and material behavior is required in order to design and operate twin-screw extruders for economically successful operations. With chapters written by many expert authors from industry and academia, this book provides valuable information on applications from a practical perspective, suitable for both beginners and experienced professional engineers.
Polymer Devolatilization
Author | : Ramon Albalak |
Publsiher | : Routledge |
Total Pages | : 736 |
Release | : 2017-09-29 |
ISBN 10 | : 1351423592 |
ISBN 13 | : 9781351423595 |
Language | : EN, FR, DE, ES & NL |
This work introduces the fundamental background necessary to understand polymer devolatilization. It elucidates the actual mechanisms by which the devolatilization of polymer melts progresses, and discusses virtually every type of devolatilization equipment available. The work also addresses devolatilization in various geometries and types of equipment, describing the use of falling strand, slit, single-screw, co-rotating and counter-rotating twin-screw devolatilization.
Extruders in Food Applications
Author | : Mian N. Riaz |
Publsiher | : CRC Press |
Total Pages | : 240 |
Release | : 2000-02-01 |
ISBN 10 | : 9781566767798 |
ISBN 13 | : 1566767792 |
Language | : EN, FR, DE, ES & NL |
The result of years of experience by experts in extrusion technology, Extruders in Food Applications brings together practical experience and in-depth knowledge of extrusion cooking technology. This concise reference summarizes basic considerations for the application of extrusion technology to food industry processes and focuses on the various types of extruders available for a growing number of food applications. Chapters compare and describe the different types of extruders and their functions, including characteristics, advantages and disadvantages, and applications, providing a wealth of information about dry extruders, interrupted flight extruder-expanders, and single screw and twin screw extruders. The effects of preconditioning on the raw material and of extrusion on the nutrients of products are covered as well. This book is a valuable source for the technical and practical application of extrusion and will be useful for the selection of the proper equipment for this technology.
Extrusion Processing Technology
Author | : Jean-Marie Bouvier,Osvaldo H. Campanella |
Publsiher | : John Wiley & Sons |
Total Pages | : 536 |
Release | : 2014-06-23 |
ISBN 10 | : 1444338110 |
ISBN 13 | : 9781444338119 |
Language | : EN, FR, DE, ES & NL |
The only up-to-date book on this important technology, Extrusion Processing Technology: Food and Non-Food Biomaterials bridges the gap between the principles of extrusion science and the practical "know how" of operational engineers and technicians. Written by internationally renowned experts with over forty years of experience between them, this valuable reference for food scientists, food engineers, chemical engineers, and students includes coverage of new, greener technologies as well as case studies to illustrate the practical, real-world application of the principles in various settings.
Twin Screw Extrusion
Author | : James Lindsay White,Eung Kyu Kim |
Publsiher | : Hanser Gardner Publications |
Total Pages | : 318 |
Release | : 2010 |
ISBN 10 | : 9781569904718 |
ISBN 13 | : 1569904715 |
Language | : EN, FR, DE, ES & NL |
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
Mixing in Polymer Processing
Author | : Chris Rauwendaal |
Publsiher | : CRC Press |
Total Pages | : 484 |
Release | : 1991-08-30 |
ISBN 10 | : 9780824785215 |
ISBN 13 | : 0824785215 |
Language | : EN, FR, DE, ES & NL |
"Focusing on the principles of mixing and practical aspects of mixing technology used in the polymer processing industry, this book facilitates the selection of the most suitable mixing machinery for specific applications-emphasizing interactions between mixer geometry and resulting mixing action, identifying one mixer from another, and evaluating the mixing performance of each device. "
Extrusion Cooking Techniques
Author | : Leszek Moscicki |
Publsiher | : John Wiley & Sons |
Total Pages | : 234 |
Release | : 2011-01-11 |
ISBN 10 | : 352763410X |
ISBN 13 | : 9783527634101 |
Language | : EN, FR, DE, ES & NL |
Offering an engineering perspective and the latest information on the application of this rapidly expanding technique, this practical book covers the technology, engineering, materials and products, as well as economic and ecological aspects. In addition to the theory, it also utilizes case studies that can easily be put into industrial practice. Each step of the process is discussed in terms of sustainability, and all data complies with the EU and FTA environmental regulations. Invaluable reading for food chemists and technologists, process engineers, chemists in industry, agricultural scientists, and chemical engineers. From the Contents: * Engineering Aspects of Extrusion * Raw Materials in the Production of Extrudates * Production of Breakfast Cereals, Snack Pellets, Baby Food and more * Extrusion Technique in Confectionery * Pet Food and Aquafeed * Extrusion-Cooking in Waste Management and Paper Pulp Processing * Thermoplastic Starch * Expanders * Process Automation * Scale-Up of Extrusion-Cooking in Single-Screw Extruders
Understanding Extrusion
Author | : Chris Rauwendaal |
Publsiher | : Unknown |
Total Pages | : 251 |
Release | : 2018-12-10 |
ISBN 10 | : 9781569906989 |
ISBN 13 | : 156990698X |
Language | : EN, FR, DE, ES & NL |
"The book provides a practical understanding of basic information on extrusion in a way useful to readers without an engineering degree as well as to those new to the field. It is primarily written for extruder operators, supervisors, technical service personnel, and process engineers. Designed for on-the-job use, it guides the reader step by step through material issues, machinery, processing, and troubleshooting. This revised and extended third edition now also covers interpretation of extrusion process data, analysis of shrink void formation, dimensional variation by melt temperature fluctuations, efficient extrusion, grooved barrel extruder technology, and more. Contents: Extrusion Machinery Instrumentation and Control Complete Extrusion Lines Plastics and Their Properties Important in Extrusion How an Extruder Works How to Run an Extruder How to Troubleshoot Extrusion Problems New Developments in Extrusion and Methods to Increase Efficiency"--
Polymer Extrusion
Author | : Chris Rauwendaal |
Publsiher | : Carl Hanser Verlag GmbH Co KG |
Total Pages | : 950 |
Release | : 2014-01-16 |
ISBN 10 | : 1569905398 |
ISBN 13 | : 9781569905395 |
Language | : EN, FR, DE, ES & NL |
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
Snack Food
Author | : R. Gordon Booth |
Publsiher | : Springer Science & Business Media |
Total Pages | : 402 |
Release | : 2012-12-06 |
ISBN 10 | : 1461314771 |
ISBN 13 | : 9781461314776 |
Language | : EN, FR, DE, ES & NL |
Rather than containing for the most part fairly detailed food science and technology intended for daily use and reference by food scientists and technologists, this book is designed for use by a much wider range of readers concerned with a particular and rapidly expanding area of food production, promotion, marketing, and packaging. A certain amount of basic detail is provided to enable relatively rough estimates of the production methods and packaging facilities necessary to enable new or improved items to be made, but the overall emphasis is on the wide range of food products that can now quite legitimately be regarded as coming within the broad definition of foods used as snacks, as contrasted with main meals. Thus, we start with the basic requirements to be met in a snack food whatever its nature, and follow with the great variety of items nowadays used 3..'l snacks or as adjuvants to snacks, concluding with an assessment of nutritional consequences of the growth of "snacking" or "browsing," and with the special packaging requirements of snack foods.