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Author : K. Osaki
Publisher : Unknown
Page : 190 pages
File Size : 55,9 Mb
Release : 1973
Category : Polymerization
ISBN : 0387064311
Author : Dennis Jon Massa
Publisher : Unknown
Page : 556 pages
File Size : 53,6 Mb
Release : 1970
Category : Polymerization
ISBN : WISC:89011200243
Author : Donald Mervyn Meter
Publisher : Unknown
Page : 740 pages
File Size : 55,7 Mb
Release : 1964
Category : Polymerization
ISBN : WISC:89011202389
Author : John D. Ferry
Publisher : John Wiley & Sons
Page : 676 pages
File Size : 54,5 Mb
Release : 1980-09-16
Category : Technology & Engineering
ISBN : 0471048941
Viscoelastic behavior reflects the combined viscous and elastic responses, under mechanical stress, of materials which are intermediate between liquids and solids in character. Polymers the basic materials of the rubber and plastic industries and important to the textile, petroleum, automobile, paper, and pharmaceutical industries as well exhibit viscoelasticity to a pronounced degree. Their viscoelastic properties determine the mechanical performance of the final products of these industries, and also the success of processing methods at intermediate stages of production. Viscoelastic Properties of Polymers examines, in detail, the effects of the many variables on which the basic viscoelastic properties depend. These include temperature, pressure, and time; polymer chemical composition, molecular weight and weight distribution, branching and crystallinity; dilution with solvents or plasticizers; and mixture with other materials to form composite systems. With guidance by molecular theory, the dependence of viscoelastic properties on these variables can be simplified by introducing certain ancillary concepts such as the fractional free volume, the monomeric friction coefficient, and the spacing between entanglement loci, to provide a qualitative understanding and in many cases a quantitative prediction of how to achieve desired results. The phenomenological theory of viscoelasticity which permits interrelation of the results of different types of experiments is presented first, with many useful approximation procedures for calculations given. A wide variety of experimental methods is then described, with critical evaluation of their applicability to polymeric materials of different consistencies and in different regions of the time scale (or, for oscillating deformations, the frequency scale). A review of the present state of molecular theory follows, so that viscoelasticity can be related to the motions of flexible polymer molecules and their entanglements and network junctions. The dependence of viscoestic properties on temperature and pressure, and its descriptions using reduced variables, are discussed in detail. Several chapters are then devoted to the dependence of viscoelastic properties on chemical composition, molecular weight, presence of diluents, and other features, for several characteristic classes of polymer materials. Finally, a few examples are given to illustrate the many potential applications of these principles to practical problems in the processing and use of rubbers, plastics, and fibers, and in the control of vibration and noise. The third edition has been brought up to date to reflect the important developments, in a decade of exceptionally active research, which have led to a wider use of polymers, and a wider recognition of the importance and range of application of viscoelastic properties. Additional data have been incorporated, and the book s chapters on dilute solutions, theory of undiluted polymers, plateau and terminal zones, cross-linked polymers, and concentrated solutions have been extensively rewritten to take into account new theories and new experimental results. Technical managers and research workers in the wide range of industries in which polymers play an important role will find that the book provides basic information for practical applications, and graduate students in chemistry and engineering will find, in its illustrations with real data and real numbers, an accessible introduction to the principles of viscoelasticity.
Author : John Edgar Frederick
Publisher : Unknown
Page : 464 pages
File Size : 50,6 Mb
Release : 1964
Category : Polystyrene
ISBN : WISC:89010885382
Author : Montgomery T. Shaw,William J. MacKnight
Publisher : John Wiley & Sons
Page : 389 pages
File Size : 40,8 Mb
Release : 2018-07-24
Category : Technology & Engineering
ISBN : 9781119181804
- Erläutert die Prinzipien, zugehörigen Gleichungen und experimentelle Methoden, die durch praktische Anwendungen ergänzt werden. Begleitende Website mit weiteren hilfreichen Daten. - Behandelt Messverfahren (Nanoindentation, Rasterkraftmikroskopie (AFM), Vielfachstreuung von Licht (Diffusing Wave Spectroscopy DWS)), die Viskoelastizität von Biopolymeren und den Zusammenhang zwischen den mechanischen Eigenschaften von Polymeren und viskoelastischen Funktionen. - Beinhaltet zwei neue Abschnitte über moderne Bereiche von viskoelastischen Messungen: oszillatorische Scherung (Large Amplitude Oscillatory Shear LAOS) und Mikrorheologie. - Problemstellungen im Text. Ein Handbuch für Dozenten (mit Lösungen) ist verfügbar. - Überaus positive Rezensionen zur 3. Auflage (CHOICE, Dezember 2005, und Polymer News Dezember 2005). - Begleitende Website.
Author : Barry G. Brueggeman
Publisher : Unknown
Page : 732 pages
File Size : 53,9 Mb
Release : 1980
Category : Polymerization
ISBN : WISC:89011024155
Author : Nhan Phan-Thien,Nam Mai-Duy
Publisher : Springer
Page : 304 pages
File Size : 47,8 Mb
Release : 2017-07-27
Category : Science
ISBN : 9783319620008
This book presents an introduction to viscoelasticity, in particular, to the theories of dilute polymer solutions and dilute suspensions of rigid particles in viscous and incompressible fluids. These theories are important, not just because they apply to practical problems of industrial interest, but because they form a solid theoretical base upon which mathematical techniques can be built, from which more complex theories can be constructed, to better mimic material behaviour. The emphasis of this book is not on the voluminous current topical research, but on the necessary tools to understand viscoelasticity. This is a compact book for a first year graduate course in viscoelasticity and modelling of viscoelastic multiphase fluids. The Dissipative Particle Dynamics (DPD) is introduced as a particle-based method, relevant in modelling of complex-structured fluids. All the basic ideas in DPD are reviewed. The third edition has been updated and expanded with new results in the meso-scale modelling, links between the fluid modelling to its physical parameters and new matlab programs illustrating the modelling. Particle-based modelling techniques for complex-structure fluids are added together with some sample programs. A solution manual to the problems is included.
Author : Y.-H. Lin
Publisher : World Scientific
Page : 268 pages
File Size : 54,6 Mb
Release : 2003
Category : Technology & Engineering
ISBN : 9812384170
In this book, the studies of the Rouse, Doi?Edwards, and extended reptation theories are developed in a consistent manner from a basic level and discussed in detail. Viscoelastic properties of nearly monodisperse linear flexible polymers in both the entanglement and entanglement-free regions are analyzed quantitatively in terms of the molecular theories.
Author : Arthur S. Lodge,Michael Renardy,John A. Nohel
Publisher : Academic Press
Page : 456 pages
File Size : 49,5 Mb
Release : 2014-06-28
Category : Technology & Engineering
ISBN : 9781483263359
Viscoelasticity and Rheology covers the proceedings of a symposium by the same title, conducted by the Mathematics Research Center held at the University of Wisconsin-Madison on October 16-18, 1984. The contributions to the symposium are divided into four broad categories, namely, experimental results, constitutive theories, mathematical analysis, and computation. This 16-chapter work begins with experimental topics, including the motion of bubbles in viscoelastic fluids, wave propagation in viscoelastic solids, flows through contractions, and cold-drawing of polymers. The next chapters covering constitutive theories explore the molecular theories for polymer solutions and melts based on statistical mechanics, the use and limitations of approximate constitutive theories, a comparison of constitutive laws based on various molecular theories, network theories and some of their advantages in relation to experiments, and models for viscoplasticity. These topics are followed by discussions of the existence, regularity, and development of singularities, change of type, interface problems in viscoelasticity, existence for initial value problems and steady flows, and propagation and development of singularities. The remaining chapters deal with the numerical simulation of flow between eccentric cylinders, flow around spheres and bubbles, the hole pressure problem, and a review of computational problems related to various constitutive laws. This book will prove useful to chemical engineers, researchers, and students.
Author : Pei Moo Ku
Publisher : Unknown
Page : 552 pages
File Size : 48,5 Mb
Release : 1973
Category : Government publications
ISBN : UIUC:30112104124141
The proceedings of a conference of liquid lubricant technology are presented. The subjects discussed are: (1) requirements and functions of liquid lubricants, (2) mineral oils, (3) greases, (4) theory of rheology, (5) mechanics and thermodynamics in lubrication, (6) environmental capability of liquid lubricants, and (7) wear corrosion and erosion.
Author : Masao Doi,Sam F. Edwards,Samuel Frederick Edwards
Publisher : Oxford University Press
Page : 420 pages
File Size : 41,9 Mb
Release : 1988
Category : Science
ISBN : 0198520336
This book provides a comprehensive account of the modern theory for the dynamical properties of polymer solutions. The theory has undergone dramatic evolution over the last two decades due to the introduction of new methods and concepts that have extended the frontier of theory from dilute solutions in which polymers move independently to concentrated solutions where many polymers converge. Among the properties examined are viscoelasticity, diffusion, dynamic light scattering, and electric birefringence. Nonlinear viscoelasticity is discussed in detail on the basis of molecular dynamical models. The book bridges the gap between classical theory and new developments, creating a consistent picture of polymer solution dynamics over the entire concentration range.
Author : Y.-H. Lin
Publisher : World Scientific
Page : 441 pages
File Size : 41,8 Mb
Release : 2011
Category : Science
ISBN : 9789814313032
This book covers in great detail the Rouse-segment-based molecular theories in polymer viscoelasticity ? the Rouse theory and the extended reptation theory (based on the framework of the Doi?Edwards theory) ? that have been shown to explain experimental results in a consistently quantitative way. The explanation for the 3.4 power law of viscosity, quantitative line-shape analyses of viscoelastic responses and agreements between different sorts of viscoelastic responses, the consistency between the viscoelasticity and diffusion results, the clarification of the onset of entangelement, the discovery of the number of entanglement strands per cubed entanglement distance being a universal constant and the basic mechanism of the glass transition-related thermorheological complexity are discussed or shown in great detail. The mystery behind the success of the Rouse-segment-based molecular theories over the entropic region of a viscoelastic response is revealed by the Monte Carlo simulations on the Fraenkel chains. Specifically, the simulation studies give a natural explanation for the coexistence of the energy-driven and entropy-driven modes in a viscoelastic response and provide a theoretical basis resolving the paradox that the experimentally determined sizes of Rouse and Kuhn segments are nearly the same. This book starts from a very fundamental level; each chapter is built upon the contents of the previous chapters. Thus, the readers may use the book as a textbook and eventually reach an advanced research level. This book is also a useful source of reference for physicists, chemists and material scientists.
Author : John J. Aklonis,William J. MacKnight
Publisher : Unknown
Page : 328 pages
File Size : 41,7 Mb
Release : 1983
Category : Science
ISBN : UOM:39015048327079
A molecular approach to the fundamentals of viscoelastic behavior in polymers, bridging the gap between introductory accounts and advanced research level monographs. This second edition includes new coverage of the theory of reptation, the kinetic theory of rubber elasticity, and an entirely new chapter on dielectric relaxation. Presents all derivations in detail, and treats concepts and models paying special attention to assumptions, simplifications and limitations. Provides problems at the end of each chapter.
Author : Akihiro Abe,Ann-Christine Albertsson,Karel Dusek,Jan Genzer,Shiro Kobayashi,Kwang-Sup Lee,Ludwik Leibler,Timothy E. Long,Ian Manners,Martin Möller,Eugene M. Terentjev,Maria J. Vicent,Brigitte Voit,Ulrich Wiesner
Publisher : Springer
Page : 215 pages
File Size : 55,6 Mb
Release : 2003-07-01
Category : Technology & Engineering
ISBN : 9783540467786
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