Rheological And Morphological Properties Of Dispersed Polymeric Materials

Author : Helmut Münstedt
Publisher : Carl Hanser Verlag GmbH Co KG
Page : 474 pages
File Size : 55,7 Mb
Release : 2017-04-10
Category : Technology & Engineering
ISBN : 9781569906804

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Rheological and Morphological Properties of Dispersed Polymeric Materials by Helmut Münstedt Pdf

The rheology of polymer melts plays an important role today in industry and academia. Although several textbooks on this subject are available, with very few exceptions they cover homogeneous products only. This book is unique in that it focuses on heterogeneous systems such as particle-filled materials and polymer blends, which are highly important in the world market. It deals with similarities and differences of the flow properties of these two classes of material, providing both a fundamental and a practical understanding. Key points of the book are the viscous and elastic properties of engineering polymers filled with functional particles and the influence of nanoparticles on rheological properties. Two key aspects of rheological measurements are discussed: the influence of heterogeneous structures on the flow of materials important for processing and the use of rheological means to get an insight into morphological features. Both approaches are applied to particle-filled melts and to polymer blends. In the latter case it is shown in detail in which way the deformation of droplets formed by the dispersed phase can be affected by outer deformation, particularly in elongation.

Author : S.-T. Lee
Publisher : CRC Press
Page : 335 pages
File Size : 52,8 Mb
Release : 2022-05-18
Category : Technology & Engineering
ISBN : 9781000588729

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Polymeric Foams by S.-T. Lee Pdf

Polymeric Foams: Innovations in Technologies and Environmentally Friendly Materials offers the latest in technology and environmental innovations within the field of polymeric foams. It outlines how application-focused research in polymeric foam can continue to improve living quality and enhance social responsibility. This book: Addresses technological innovations including those in bead foams, foam injection molding, foams in tissue engineering, foams in insulation, and silicon rubber foam Discusses environmentally friendly innovations in PET foam, degradable and renewable foam, and physical blowing agents Describes principles as well as applications from internationally recognized foam experts This work is aimed at researchers and industry professionals across chemical, mechanical, materials, polymer engineering, and anyone else developing and applying these advanced polymeric materials.

Author : Y.G. Yanovsky
Publisher : Springer Science & Business Media
Page : 309 pages
File Size : 48,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401121163

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Polymer Rheology: Theory and Practice by Y.G. Yanovsky Pdf

The present book is devoted to a rapidly developing field of science which studies the behavior of viscoelastic materials under the influence of deformation~the rheology of polymers. Rheology has long been treated as the theoretical foundation of polymer processing, and from this standpoint it is difficult to overesti mate its importance in practice. Rheology plays an important role in developing our ideas on the nature of viscoelastic behavior in connection with the structural features of polymers and composites based on them. This expands the possibilities of employing rheological methods to characterize a variety of materials and greatly magnifies the interest in this field of research. The rheological properties of polymer systems are studied experimen tally, chiefly under conditions of shear and tensile strains. One explana tion is that many aspects of polymer material processing are associated with the stretching of melts or a combination of shear and tensile strains. In scientific investigations, either periodic or continuous conditions of shear deformation are employed. Each mode provides widespread infor mation. In periodic deformation, most attention is generally given to conditions with low deformation amplitudes that do not alter the structure of the polymer system during an experiment (the region of linear deformation conditions). Here the viscoelastic parameters are generally determined with respect to the frequency. Continuous deforma tion involves considerable strains, and may be attended by significant reversible and irreversible changes in the structure of a polymer.

Author : Suprakas Sinha Ray,Ritima Banerjee
Publisher : Elsevier
Page : 296 pages
File Size : 41,9 Mb
Release : 2021-09-24
Category : Technology & Engineering
ISBN : 9780323907682

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Foamability of Thermoplastic Polymeric Materials by Suprakas Sinha Ray,Ritima Banerjee Pdf

Foamability of Thermoplastic Polymeric Materials presents a cutting-edge approach to thermoplastic polymeric foams, drawing on the latest research and guiding the reader through the fundamental science, foamability, structure-property-processing relationship, multi-phase polymeric materials, degradation characteristics of biodegradable foams and advanced applications. Sections provide detailed information on foam manufacturing technologies and the fundamental science behind foaming, present insights on the factors affecting foamability, cover ways of enhancing the foamability of various polymeric materials, with special focus on multi-phase systems, discuss the degradation of biodegradable foams and special morphology development for scaffolds, packaging, acoustic and super-insulation applications, as well as cell seeding studies in scaffolds. Each application has specific requirements in terms of desired properties. This in-depth coverage and analysis helps those looking to move forward with microcellular processing and polymer foaming. This is an ideal resource for researchers, advanced students and professionals interested in the microcellular processing of polymeric materials in the areas of polymer foaming, polymer processing, plastics engineering and materials science. Offers in-depth coverage of factors affecting foamability and methods for enhancing the foamability of polymeric materials Explores innovative applications in a range of areas, including scaffolds, acoustic applications, packaging and super-insulation Provides a comprehensive, critical overview of the state-of-the-art, possible future research directions, and opportunities for industrial application

Author : Helmut Münstedt,Friedrich Rudolf Schwarzl
Publisher : Springer
Page : 564 pages
File Size : 45,5 Mb
Release : 2014-11-18
Category : Technology & Engineering
ISBN : 9783642554094

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Deformation and Flow of Polymeric Materials by Helmut Münstedt,Friedrich Rudolf Schwarzl Pdf

This book describes the properties of single polymer molecules and polymeric materials and the methods how to characterize them. Molar masses, molar mass distributions and branching structure are discussed in detail. These properties are decisive for a deeper understanding of structure/properties relationships of polymeric materials. This book therefore describes and discusses them in detail. The mechanical behavior as a function of time and temperature is a key subject of the book. The authors present it on the basis of many original results they have obtained in their long research careers. They present the temperature dependence of mechanical properties of various polymeric materials in a wide temperature range: from cryogenic temperatures to the melt. Besides an extensive data collection on the transitions of various different polymeric materials, they also carefully present the physical explanations of the observed phenomena. Glass transition and melting temperatures are discussed, particularly, with their relevance for applications. A comprehensive part of the book deals with properties of polymers in the molten state and their decisive influence on the processing of the materials. The book presents and discusses viscous and elastic properties in detail as a function of molar mass, polydispersity, and branching. This book addresses students of polymer and materials science, as well as other natural sciences. Besides this educational value, it will also serve as a valuable monograph for everyone dealing with polymers and polymeric materials, from research, over development, to applications.

Author : Miriam Schuster
Publisher : Springer Nature
Page : 356 pages
File Size : 43,6 Mb
Release : 2022-12-21
Category : Technology & Engineering
ISBN : 9783658398217

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Characterization of Laminated Safety Glass Interlayers by Miriam Schuster Pdf

Laminated safety glass enables the safe construction of transparent structures. The mechanical behaviour depends on the polymeric interlayer both in the intact and in the post fracture state. In the present work, the mechanical behaviour of ethylene vinyl acetate-based (EVA) and ionoplastic interlayers is investigated for the intact laminated safety glass condition. In particular, the influence of the semi-crystalline structure on the stiffness behaviour is studied with X-Ray Diffraction, Differential Scanning Calorimetry and Dynamic-Mechanical-Thermal-Analysis. The studies on the mechanical behaviour of the interlayer in the fractured laminated safety glass were carried out with polyvinyl butyral-based (PVB) interlayers. First, the temperature and frequency (time) dependent linearity limits are determined in Dynamic-Mechanical-Thermal-Analyses, second, the nonlinear viscoelastic material behaviour is investigated with tensile relaxation tests at different temperatures and strain levels.

Author : Chang Dae Han
Publisher : Unknown
Page : 392 pages
File Size : 45,6 Mb
Release : 1976
Category : Technology & Engineering
ISBN : UOM:39015020768910

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Rheology in Polymer Processing by Chang Dae Han Pdf

Author : J.A. Covas,J.F. Agassant,A.C. Diogo,J. Vlachopoulos,K. Walters
Publisher : Springer Science & Business Media
Page : 470 pages
File Size : 49,8 Mb
Release : 2013-04-17
Category : Technology & Engineering
ISBN : 9789401585712

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Rheological Fundamentals of Polymer Processing by J.A. Covas,J.F. Agassant,A.C. Diogo,J. Vlachopoulos,K. Walters Pdf

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.

Author : Chang Dae Han
Publisher : Oxford University Press
Page : 598 pages
File Size : 51,5 Mb
Release : 2007-06-04
Category : Language Arts & Disciplines
ISBN : 9780195187830

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Rheology and Processing of Polymeric Materials by Chang Dae Han Pdf

Polymer Processing presents the fundamental approach to effectively analyse polymer processing operations of both thermoplastic polymers and thermosets.

Author : Helmut Münstedt
Publisher : Carl Hanser Verlag GmbH Co KG
Page : 296 pages
File Size : 43,7 Mb
Release : 2019-07-08
Category : Technology & Engineering
ISBN : 9781569907559

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Elastic Behavior of Polymer Melts by Helmut Münstedt Pdf

Understanding the elastic properties of polymer melts is necessary for ensuring successful polymer processing and thus producing high-quality plastic parts. This unique book is the first to focus on this important topic. Starting with the molecular origin of elastic behavior and an explanation of the physical quantities involved, experimental methods and the dependence of elastic behavior on experimental parameters are then presented. Elastic properties of filled and unfilled systems are compared directly, and polymer blends are also considered. Elastic effects in various applications are included, such as in extrudate swell, internal stresses, and shrink films, to illustrate the importance of this field in the plastics processing industry.

Author : F N Cogswell
Publisher : Elsevier
Page : 195 pages
File Size : 40,8 Mb
Release : 1981-01-01
Category : Science
ISBN : 9780857092984

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Polymer Melt Rheology by F N Cogswell Pdf

This book explores the ways in which melt flow behaviour can be exploited by the plastics engineer and technician for increased efficiency of processing operation, control of end product properties and selection and development of polymers for specific purposes. (reissued with minor corrections 1994)

Author : Andreea Irina Barzic,Silvia Ioan
Publisher : CRC Press
Page : 384 pages
File Size : 51,6 Mb
Release : 2016-09-19
Category : Science
ISBN : 9781498755641

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Multiphase Polymer Systems by Andreea Irina Barzic,Silvia Ioan Pdf

Phase morphology in multicomponent polymer-based systems represents the main physical characteristic that allows for control of the material design and implicitly the development of new plastics. Emphasizing properties of these promising new materials in both solution and solid phase, this book describes the preparation, processing, properties, and practical implications of advanced multiphase systems from macro to nanoscales. It covers a wide range of systems including copolymers, polymer blends, polymer composites, gels, interpenetrating polymers, and layered polymer/metal structures, describing aspects of polymer science, engineering, and technology. The book analyzes experimental and theoretical aspects regarding the thermal and electrical transport phenomena and magnetic properties of crucial importance in advanced technologies. It reviews the most recent advances concerning morphological, rheological, interfacial, physical, fire-resistant, thermophysical, and biomedical properties of multiphase polymer systems. Concomitantly the book deals with basic investigation techniques that are sensitive in elucidating the features of each phase. It also discusses the latest research trends that offer new solutions for advanced bio- and nanotechnologies. Introduces an overview of recent studies in the area of multiphase polymer systems, their micro- and nanostructural evolutions in advanced technologies, and provides future outlooks, new challenges and opportunities. Discusses multicomponent structures that offer enhanced physical, mechanical, thermal, electrical, magnetic, and optical properties adapted to current requirements of modern technologies. Covers a wide range of materials, such as composites, blends, alloys, gels and interpenetrating polymer networks. Presents new strategies for controlling the micro- and nanomorphology and the mechanical properties of multiphase polymeric materials. Describes different applications of multiphase polymeric materials in various fields, including automotive, aeronautics and space industry, displays, and medicine.

Author : A.V. Shenoy
Publisher : Springer Science & Business Media
Page : 484 pages
File Size : 51,8 Mb
Release : 2013-03-09
Category : Science
ISBN : 9789401592130

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Rheology of Filled Polymer Systems by A.V. Shenoy Pdf

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.

Author : Anandhan Srinivasan,Sri Bandyopadhyay
Publisher : CRC Press
Page : 1088 pages
File Size : 42,9 Mb
Release : 2016-08-19
Category : Technology & Engineering
ISBN : 9781315353883

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Advances in Polymer Materials and Technology by Anandhan Srinivasan,Sri Bandyopadhyay Pdf

This book covers recent advancements in the field of polymer science and technology. Frontiers areas, such as polymers based on bio-sources, polymer based ferroelectrics, polymer nanocomposites for capacitors, food packaging and electronic packaging, piezoelectric sensors, polymers from renewable resources, superhydrophobic materials and electrospinning are topics of discussion. The contributors to this book are expert researchers from various academic institutes and industries from around the world.

Author : Nicholas P. Cheremisinoff
Publisher : CRC Press
Page : 290 pages
File Size : 50,6 Mb
Release : 2018-01-18
Category : Science
ISBN : 9781351082273

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Introduction to Polymer Rheology and Processing by Nicholas P. Cheremisinoff Pdf

An Introduction to Polymer Rheology and Processing is a practical desk reference providing an overview of operating principles, data interpretation, and qualitative explanation of the importance and relationship of rheology to polymer processing operations. It covers full-scale processing operations, relating industrial processing operations and design methodology to laboratory-scale testing. Hundreds of design formulas applicable to scaling up the processing behavior of polymeric melts are presented. The book also provides a "working knowledge" description of major rheological test methods useful in product development and includes a useful glossary of polymer and test method/instrumentation definitions. Lavishly illustrated and featuring numerous sample calculations and modeling approaches, An Introduction to Polymer Rheology and Processing is a "must have" book for polymer engineers and rheologists.