Rheological Properties Of Dilute Polymer Solutions Determined In Extensional And In Shearing Experiments

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Rheological Properties Of Dilute Polymer Solutions Determined In Extensional And In Shearing Experiments

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Author : K. M. Baid
language : en
Publisher:
Release Date : 1977

Rheological Properties Of Dilute Polymer Solutions Determined In Extensional And In Shearing Experiments written by K. M. Baid and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Polymerization categories.

Rheology Of Filled Polymer Systems

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Author : A.V. Shenoy
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Rheology Of Filled Polymer Systems written by A.V. Shenoy and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.

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.

Polymer And Composite Rheology

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Author : Rakesh K. Gupta
language : en
Publisher: CRC Press
Release Date : 2000-06-14

Polymer And Composite Rheology written by Rakesh K. Gupta and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-06-14 with Technology & Engineering categories.

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.

Rheology And Its Role In Plastics Processing

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Author : P. Prentice
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 1995

Rheology And Its Role In Plastics Processing written by P. Prentice and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology & Engineering categories.

This review encompasses fundamental principles and rheological equations of state, polymer melt rheology (shear and extensional flow, viscoelasticity, die swell and melt fracture) and rheological c094 techniques. It describes the main plastics processing techniques, and explains the influence of polymer melt rheology upon their operation. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.

Polymer Rheology Theory And Practice

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Author : Y.G. Yanovsky
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Polymer Rheology Theory And Practice written by Y.G. Yanovsky and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

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.

Correlations Of Rheological Properties And Anti Misting Performances For Dilute Polymer Solutions

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Author : Keith Ko-kung Chao
language : en
Publisher:
Release Date : 1981

Correlations Of Rheological Properties And Anti Misting Performances For Dilute Polymer Solutions written by Keith Ko-kung Chao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

Rheology In Polymer Processing

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Author : Chang Dae Han
language : en
Publisher:
Release Date : 1976

Rheology In Polymer Processing written by Chang Dae Han and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Technology & Engineering categories.

Constitutive Equations For Polymer Melts And Solutions

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Author : Ronald G. Larson
language : en
Publisher: Butterworth-Heinemann
Release Date : 2013-10-22

Constitutive Equations For Polymer Melts And Solutions written by Ronald G. Larson and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.

Constitutive Equations for Polymer Melts and Solutions presents a description of important constitutive equations for stress and birefringence in polymer melts, as well as in dilute and concentrated solutions of flexible and rigid polymers, and in liquid crystalline materials. The book serves as an introduction and guide to constitutive equations, and to molecular and phenomenological theories of polymer motion and flow. The chapters in the text discuss topics on the flow phenomena commonly associated with viscoelasticity; fundamental elementary models for understanding the rheology of melts, solutions of flexible polymers, and advanced constitutive equations; melts and concentrated solutions of flexible polymer; and the rheological properties of real liquid crystal polymers. Chemical engineers and physicists will find the text very useful.

Journal Of Rheology

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Author :
language : en
Publisher:
Release Date : 1994

Journal Of Rheology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Rheology categories.

Rheology

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Author : Alexander Y. Malkin
language : en
Publisher: Elsevier
Release Date : 2022-03-21

Rheology written by Alexander Y. Malkin and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-21 with Technology & Engineering categories.

Rheology: Concepts, Methods, and Applications, Fourth Edition provides a thorough historical and theoretical grounding in the field and introduces rheology as the method for solving many practical problems in materials science and engineering. This new edition has been updated to include new evidence-based methods and applications, coverage of non-Newtonian properties and their effect on material processing, heterogeneity in flow, rheology of highly concentrated emulsions and suspensions, viscosity and viscoelastic behavior of nanocomposites, the behavior of supramolecular solutions, rheology of gels, deformation-induced anisotropy, conformation changes during flow and molecular orientation. The book is practical and relevant for industry, but also consistent with rheology courses in academia, making it relevant to both academics and accomplished rheologists in industry. Includes updates on non-Newtonian properties and their effect on material processing, heterogeneity in flow, rheology of concentrated emulsions, suspensions, and more Discusses viscosity and viscoelastic behavior of nanocomposites, the behavior of supramolecular solutions, rheology of gels, deformation-induced anisotropy, conformation changes during flow, and molecular orientation Covers theory backed by practical examples, methods of measurement and raw data treatment, and various applications