Diffusion In Polymers
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Diffusion In Polymers
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Author : P. Neogi
language : en
Publisher: CRC Press
Release Date : 1996-02-06
Diffusion In Polymers written by P. Neogi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-02-06 with Technology & Engineering categories.
Examines various aspects of diffusion in polymers that are being quantitatively described and engineered--detailing the phenomenology of diffusion and outlining areas for future research. Emphasizing the importance of fundamental studies throughout.
Structure Property Relationships In Polymers
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Author : Charles E. Carraher Jr.
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structure Property Relationships In Polymers written by Charles E. Carraher Jr. 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 first concern of scientists who are interested in synthetic polymers has always been, and still is: How are they synthesized? But right after this comes the question: What have I made, and for what is it good? This leads to the important topic of the structure-property relations to which this book is devoted. Polymers are very large and very complicated systems; their character ization has to begin with the chemical composition, configuration, and con formation of the individual molecule. The first chapter is devoted to this broad objective. The immediate physical consequences, discussed in the second chapter, form the basis for the physical nature of polymers: the supermolecular interactions and arrangements of the individual macromolecules. The third chapter deals with the important question: How are these chemical and physical structures experimentally determined? The existing methods for polymer characterization are enumerated and discussed in this chapter. The following chapters go into more detail. For most applications-textiles, films, molded or extruded objects of all kinds-the mechanical and the thermal behaviors of polymers are of pre ponderant importance, followed by optical and electric properties. Chapters 4 through 9 describe how such properties are rooted in and dependent on the chemical structure. More-detailed considerations are given to certain particularly important and critical properties such as the solubility and permeability of polymeric systems. Macromolecules are not always the final goal of the chemist-they may act as intermediates, reactants, or catalysts. This topic is presented in Chapters 10 and 11.
Polymer Permeability
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Author : J. Comyn
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Polymer Permeability written by J. Comyn 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 Technology & Engineering categories.
Polymers are permeable, whilst ceramics, glasses and metals are gener ally impermeable. This may seem a disadvantage in that polymeric containers may allow loss or contamination of their contents and aggressive substances such as water will diffuse into polymeric struc tures such as adhesive joints or fibre-reinforced composites and cause weakening. However, in some cases permeability is an advantage, and one particular area where this is so is in the use of polymers in drug delivery systems. Also, without permeable polymers, we would not enjoy the wide range of dyed fabrics used in clothing and furnishing. The fundamental reason for the permeability of polymers is their relatively high level of molecular motion, a factor which also leads to their high levels of creep in comparison with ceramics, glasses and metals. The aim of this volume is to examine some timely applied aspects of polymer permeability. In the first chapter basic issues in the mathema tics of diffusion are introduced, and this is followed by two chapters where the fundamental aspects of diffusion in polymers are presented. The following chapters, then, each examine some area of applied science where permeability is a key issue. Each chapter is reasonably self-contained and intended to be informative without frequent outside reference. This inevitably leads to some repetition, but it is hoped that this is not excessive.
Polymer Permeability
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Author : J. Comyn
language : en
Publisher: Springer Science & Business Media
Release Date : 1985-02-28
Polymer Permeability written by J. Comyn 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 1985-02-28 with Science categories.
Polymers are permeable, whilst ceramics, glasses and metals are gener ally impermeable. This may seem a disadvantage in that polymeric containers may allow loss or contamination of their contents and aggressive substances such as water will diffuse into polymeric struc tures such as adhesive joints or fibre-reinforced composites and cause weakening. However, in some cases permeability is an advantage, and one particular area where this is so is in the use of polymers in drug delivery systems. Also, without permeable polymers, we would not enjoy the wide range of dyed fabrics used in clothing and furnishing. The fundamental reason for the permeability of polymers is their relatively high level of molecular motion, a factor which also leads to their high levels of creep in comparison with ceramics, glasses and metals. The aim of this volume is to examine some timely applied aspects of polymer permeability. In the first chapter basic issues in the mathema tics of diffusion are introduced, and this is followed by two chapters where the fundamental aspects of diffusion in polymers are presented. The following chapters, then, each examine some area of applied science where permeability is a key issue. Each chapter is reasonably self-contained and intended to be informative without frequent outside reference. This inevitably leads to some repetition, but it is hoped that this is not excessive.
The Theory Of Polymer Dynamics
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Author : Masao Doi
language : en
Publisher: Oxford University Press
Release Date : 1988
The Theory Of Polymer Dynamics written by Masao Doi and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Over the past twenty years our understanding of polymer solutions has undergone a dramatic evolution. New methods and concepts have extended the frontier of the theory from dilute solutions in which polymers move independently of each other, to concentrated solutions where many polymers entangle with each other. This book provides a comprehensive account of the modern theory for the dynamical properties of polymer solutions. This includes viscoelasticity, diffusion, dynamic light scattering and flow and electric birefringence. Nonlinear viscoelasticity is discussed in detail on the basis of molecular dynamical models. The book fills a gap between classical theory and modern developments and constructs a consistent picture for the dynamics of polymer solutions over the entire concentration range.
Diffusion In And Through Polymers
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Author : Wolf R. Vieth
language : en
Publisher: Hanser Gardner Publications
Release Date : 1991-01-01
Diffusion In And Through Polymers written by Wolf R. Vieth and has been published by Hanser Gardner Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-01 with Plastics in packaging categories.
Diffusion And Mass Transfer
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Author : James S. Vrentas
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Diffusion And Mass Transfer written by James S. Vrentas and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.
A proper understanding of diffusion and mass transfer theory is critical for obtaining correct solutions to many transport problems. Diffusion and Mass Transfer presents a comprehensive summary of the theoretical aspects of diffusion and mass transfer and applies that theory to obtain detailed solutions for a large number of important problems. Par
Plastic Packaging
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Author : Otto G. Piringer
language : en
Publisher: John Wiley & Sons
Release Date : 2008-06-25
Plastic Packaging written by Otto G. Piringer and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-25 with Science categories.
Plastics are the most important class of packaging materials. This successful handbook, now in its second edition, covers all important aspects of plastic packaging and the interdisciplinary knowledge needed by food chemists, pharmaceutical chemists, food technologists, materials scientists, process engineers, and product developers alike. This is an indispensable resource in the search for the optimal plastic packaging. Materials characteristics, additives and their effects, mass transport phenomena, quality assurance, and recent regulatory requirements from FDA and European Commission are covered in detail with ample data.
Diffusion In Polymers
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Author :
language : en
Publisher:
Release Date : 1986
Diffusion In Polymers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Diffusion categories.
Diffusion Of Electrolytes In Polymers
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Author : Gennadiĭ Efremovich Zaikov
language : en
Publisher: VSP
Release Date : 1988-12
Diffusion Of Electrolytes In Polymers written by Gennadiĭ Efremovich Zaikov and has been published by VSP this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-12 with Science categories.
Diffusion is the process of transport of a substance in space due to thermal migration of 'kinetic' particles. This book firstly determines the general aspects of diffusion in polymers and goes onto to explore characteristics of electrolyte diffusion in different polymers, acids; water diffusion and chemical reactions.