rheology of polymeric systems

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Rheology of Polymeric Systems
Author : Pierre J. Carreau,Daniel De Kee,R. P. Chhabra
Publisher : Hanser Gardner Publications
Release Date : 1997-01-01
ISBN 10 : 9781569902189
Pages : 520 pages

This book bridges the gap between the fundamental concepts of rheology and its applications. A balanced overview of the principles is accompanied by numerous examples from the industrial practice, thus providing an engineering approach to problem solving.

Rheology of Filled Polymer Systems
Author : A.V. Shenoy
Publisher : Springer Science & Business Media
Release Date : 2013-03-09
ISBN 10 : 9401592136
Pages : 476 pages

Polymerie materials have been replacing other conventional materials like metals, glass and wood in a number of applications. The use of various types of fillers incorporated into the polymer has become quite common as a means of reducing cost and to impart certain desirable mechanieal, thermal, electrieal and magnetic properties to the polymers. Oue to the energy crisis and high priees of petrochemieals, there has been a greater demand to use more and more fillers to cheapen the polymerie materials while maintaining and/or improving their properties. The advantages that filled polymer systems have to offer are normally offset to some extent by the increased complexity in the rheological behavior that is introduced by the inclusion of the fillers. Usually when the use of fillers is considered, a compromise has to be made between the improved mechanieal properties in the solid state, the increased difficulty in melt processing, the problem of achieving uniform dispersion of the filler in the polymer matrix and the economics of the process due to the added step of compounding. It has been recognized that addition of filler to the polymer brings a change in processing behavior. The presence of the filler increases the melt viscosity leading to increases in the pressure drop across the die but gives rise to less die swell due to decreased melt elasticity.

Applied Polymer Rheology
Author : Marianna Kontopoulou
Publisher : John Wiley & Sons
Release Date : 2011-11-22
ISBN 10 : 047041670X
Pages : 354 pages

Explore polymer rheology from an industrial standpoint Presenting state-of-the-art polymer rheology as observed by well-recognized authors, Applied Polymer Rheology: Polymeric Fluids with Industrial Applications is designed to help readers understand the relationship between molecular structure and the flow behavior of polymers. In particular, it focuses on polymeric systems that elicit special attention from industry. Providing a comprehensive overview of the rheological characteristics of polymeric fluids, the book bridges the gap between theory and practice/application, enabling readers to see the connection between molecular structure and the behavior of the polymers studied. Beginning with a discussion of the properties, processability, and processing aids of specific polymers, later chapters examine filled polymers and composites, and the theoretical framework upon which their analysis is based. Various systems containing microstructure are presented subsequently, with the final chapter introducing paste extrusion of polytetrafluoroethylene paste. An invaluable reference guide that covers the literature and vast array of technical approaches to polymer rheology, Applied Polymer Rheology's coverage of polymeric fluids of interest to industry make it an essential resource for plastics, polymer, and chemical engineers, materials scientists, polymer chemists, and polymer physicists to use when interpreting findings and planning experiments.

Polymer and Composite Rheology, Second Edition,
Author : Rakesh K. Gupta
Publisher : CRC Press
Release Date : 2000-06-14
ISBN 10 : 9780824799229
Pages : 416 pages

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.

Multiphase Flow in Polymer Processing
Author : Chang Han
Publisher : Elsevier
Release Date : 2012-12-02
ISBN 10 : 0323149022
Pages : 475 pages

Multiphase Flow in Polymer Processing focuses on dispersed and stratified multiphase flow in polymer processing. This book explores the rheological behavior of multiphase (or multicomponent) polymeric systems as they are involved in various fabrication operations. It also outlines the importance of the morphological states of multiphase polymeric systems to explain the systems, rheological behavior in the fluid state, and mechanical behavior in the solid state. This monograph consists of eight chapters divided into two parts. After discussing dispersed and stratified multiphase flow in polymer processing, it introduces the reader to the fundamentals of rheology. The following chapters focus on the rheological behavior of particulate-filled polymeric systems and heterogeneous polymeric systems; the phenomenon of droplet breakup in dispersed flow; and gas-charged polymeric systems. The role of the discrete phase (that is, solid particles, liquid droplets, gas bubbles) in determining the bulk rheological properties of the multiphase system is highlighted, along with some representative polymer processing operations (namely, fiber spinning and injection molding) of the multiphase (or multicomponent) polymeric systems. Coextrusion in cylindrical, rectangular, and annular dies is also considered. The final chapter is devoted to the phenomenon of interfacial instability in coextrusion. This text will be a useful resource for chemists, chemical engineers, and those in the polymer processing industry.

Polymer Rheology
Author : Jose Luis Rivera Armenta,Beatriz Adriana Salazar-Cruz
Publisher : BoD – Books on Demand
Release Date : 2018-10-03
ISBN 10 : 1789840015
Pages : 184 pages

Rheology is the science that studies the behavior of the flow of matter in a liquid state or soft solids under the application of stress or deformation to obtain a response to an applied force. In polymers, rheology is an important tool to understand behavior under processing conditions and to design equipment. Another application for rheology in the polymer field is to understand structure-property relationships by means of molecular weight, molecular weight distribution, stereochemistry, morphology, melt degradation, and performance under processing. This book covers the essential criteria for selecting the best test types for various applications and new developments, for accurately interpreting results, and for determining other areas where rheology and rheological phenomena may be useful in your work.

Author : A. Ya. Malkin,S. G. Kulichikhin
Publisher : John Wiley & Sons
Release Date : 2008-09-26
ISBN 10 : 352761494X
Pages : 326 pages

Principles of Polymer Engineering Rheology
Author : James Lindsay White
Publisher : John Wiley & Sons
Release Date : 1990-07-20
ISBN 10 : 9780471853626
Pages : 336 pages

Provides the basic background needed by engineers to determine experimentally and interpret the rheological behavior of polymer melts--including not only traditional pure melts but also solutions and compounds containing anisotropic (fiber or disc) or colloidal particles--and apply it to analyze flow in processing operations. Experimental foundations of modern rheology and rheo-optics and the interpretation of experimental data are covered, which also develops the fundamentals of continuum mechanics and shows how it may be applied to devise methods for measurement of rheological properties, formulation of three-dimensional stress-deformation relationships, and analysis of flow in processing operations. Also discusses the structure of polymers and considers rheological behavior in terms of structure. Constitutive equations relating stress to deformation history in non-Newtonian fluids and their applications are discussed. Each chapter presents an overview of the subject matter and then develops the material in a pedagogical manner.

Rheology of Polymer Blends and Nanocomposites
Author : Sabu Thomas,Sarathchandran C.,Nithin Chandran
Publisher : Elsevier
Release Date : 2019-09-08
ISBN 10 : 0128169567
Pages : 324 pages

Rheology of Polymer Blends and Nanocomposites: Theory, Modelling and Applications focuses on rheology in polymer nanocomposites. It provides readers with a solid grounding in the fundamentals of rheology, with an emphasis on recent advancements. Chapters explore potential future applications for nanocomposites and polymer blends, giving readers a thorough understanding of the specific features derived from rheology as a tool for the study of polymer blends and nanocomposites. This book is ideal for industrial and academic researchers in the field of polymer blends and nanocomposites, but is also a great resource for anyone who wants to learn about the applications of rheology. Sets out the principles of rheology as it is applied to polymer blends and nanocomposites Demonstrates how rheological techniques are best applied to different classes of nanocomposites Assesses the opportunities and major challenges of rheological approaches to polymer blends and nanocomposites

Rheology and Processing of Medical Grade Polymeric Systems
Author : Univerzita Tomáše Bati ve Zlíně. Technologická fakulta
Publisher : N.A
Release Date : 2010
ISBN 10 : 9788073189648
Pages : 25 pages

Rheological Fundamentals of Polymer Processing
Author : J.A. Covas,J.F. Agassant,A.C. Diogo,J. Vlachopoulos,K. Walters
Publisher : Springer Science & Business Media
Release Date : 2013-04-17
ISBN 10 : 9401585717
Pages : 464 pages

Experts in rheology and polymer processing present up-to-date, fundamental and applied information on the rheological properties of polymers, in particular those relevant to processing, contributing to the physical understanding and the mathematical modelling of polymer processing sequences. Basic concepts of non-Newtonian fluid mechanics, micro-rheological modelling and constitutive modelling are reviewed, and rheological measurements are described. Topics with practical relevance are debated, such as linear viscoelasticity, converging and diverging flows, and the rheology of multiphase systems. Approximation methods are discussed for the computer modelling of polymer melt flow. Subsequently, polymer processing technologies are studied from both simulation and engineering perspectives. Mixing, crystallization and reactive processing aspects are also included. Audience: An integrated and complete view of polymer processing and rheology, important to institutions and individuals engaged in the characterisation, testing, compounding, modification and processing of polymeric materials. Can also support academic polymer processing engineering programs.

Introduction to Polymer Rheology
Author : Montgomery T. Shaw
Publisher : John Wiley & Sons
Release Date : 2012-01-03
ISBN 10 : 0470388447
Pages : 395 pages

"Providing new students and practitioners with an easy-to-understand introduction to the theory and practice an often complicated subject, Introduction to Polymer Rheology incorporates worked problems and problems with appended answers to provide opportunities for review and further learning of more advanced concepts. By limiting the use of mathematics within an approachable format, this introductory overview ensures practicing scientists and engineers understand the concepts underlying the flow behavior of polymer melts, solutions, and suspensions, and are able to interpret experimental data correctly and provide additional insight on a process"--