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The Fractal Analysis of Gas Transport in Polymers

Author: Georgii Vladimirovich Kozlov

Publisher: Nova Science Pub Incorporated

Published: 2009-01-01

Total Pages: 238

ISBN-13: 9781606923115

In the present monograph, theoretical structural analysis of the main processes of gas transport in polymeric materials (diffusion, solubility, permeability and selectivity) was offered. The mentioned analysis uses fractal (multifractal) analysis and cluster model of polymers amorphous state structure, based on the local order notions, as a tool for polymeric materials structure description. Besides, for the mentioned gas transport processes description, such modern physical treatments as a multifractal model of fluctuation free volume and the conception of anomalous (strange) diffusion were used. Such approach allows the quantitative description of gas transport processes and their prediction as a function of testing temperature, degree of crystallinity, cross-linking and grafting, and so on. Special attention is given to gas transport processes in multicomponent polymeric systems. A number of practical aspects of theoretical structural analysis application was considered in cases of thermal degradation, interfacial layers formation in polymer composites, stability to cracking in active environments and chemical reactions.

The Fractal Physics of Polymer Synthesis

Author: G. V. Kozlov

Publisher: CRC Press

Published: 2013-12-12

Total Pages: 370

ISBN-13: 1926895630

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Using fractal analysis, irreversible aggregation models, synergetics, and percolation theory, this book describes the main reactions of high-molecular substances. It is the first to give the structural and physical grounds of polymers synthesis and curing based on fractal analysis. It provides a single equation for describing the relationship between the reaction rate constants and the equilibrium constants with the nature of the medium.

The Fractal Physical Chemistry of Polymer Solutions and Melts

Author: G. V. Kozlov

Publisher: CRC Press

Published: 2013-12-12

Total Pages: 336

ISBN-13: 1926895819

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This book provides an important structural analysis of polymer solutions and melts, using fractal analysis. The book covers the theoretical fundamentals of macromolecules fractal analysis. It then goes on to discuss the fractal physics of polymer solutions and the fractal physics of melts. The intended audience of the book includes specialists in chemistry and physics of polymer synthesis and those in the field of polymers and polymer composites processing.

Fractal Analysis and Synergetics of Catalysis in Nanosystems

Author: G. V. Kozlov

Publisher: Nova Publishers

Published: 2008

Total Pages: 178

ISBN-13: 9781604563641

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Nanochemistry is a science connected with obtaining and studying of physical-chemical properties of particles having sizes on the nanometer scale. This book addresses polymer synthesis which, according to Melikhov's classification, is automatically part of nanochemistry. This is determined as far as polymeric macromolecules (more precisely macromolecular coils) belong to nanoparticles and polymeric sols and gels - to nanosystems. Catalysis on nanoparticles is one of the most important sections of nanochemistry. The majority of catalytic systems are nanosystems. At heterogeneous catalysis the active substance is tried to deposit on carrier in nanoparticles form in order to increase their specific surface. At homogeneous catalysis active substance molecules have often in themselves nanometer sizes. The most favorable conditions for homogeneous catalysis are created when reagent molecules are adsorbed rapidly by nanoparticles and are desorbed slowly but have high surface mobility and, consequently, high reaction rate on the surface and at the reaction molecules of such structure are formed at which desorption rate is increased sharply. If these conditions are realised in nanosystem with larger probability than in macrosystem, then nanocatalyst has the raising activity that was observed for many systems.

The Structural Stabilization of Polymers: Fractal Models

Author: Kozlov

Publisher: CRC Press

Published: 2006-07-01

Total Pages: 354

ISBN-13: 9047418255

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This monograph deals with the structural aspects of transport processes of gases, physical ageing and thermo-oxidative degradation of polymers in detail. Fractal analysis, cluster models of the polymer structurea ‘s amorphous state as well as irreversible aggregation models are used as main structural models. It is shown that the polymer structure

Fractal Mechanics of Polymers

Author: G. V. Kozlov

Publisher: CRC Press

Published: 2014-11-12

Total Pages: 377

ISBN-13: 1482255006

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This new book explores the consideration of relationships that connect the structural and basic mechanical properties of polymeric mediums within the frameworks of fractal analysis with cluster model representations attraction. Incidentally, the choice of any structural model of medium or their combinations is defined by expediency and further usag

Fractal Analysis of Polymers

Author: G. V. Kozlov

Publisher: Nova Biomedical Books

Published: 2003

Total Pages: 242

ISBN-13:

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Fractal Analysis of Polymers - From Synthesis to Composites

Structure and Properties of Crosslinked Polymers

Author: Gasan M Magomedov

Publisher: Smithers Rapra

Published: 2011-03-23

Total Pages: 502

ISBN-13: 1847355617

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This book gives a fresh point of view on the curing processes, structure and properties of crosslinked polymers. The general view is that the structure and properties of crosslinked polymers are defined by their density, this book demonstrates that the parameters are defined by the supermolecular (a more precisely, supersegmental structure) of the crosslinked polymers.The quantitative relationships of the structures/properties are obtained for these polymers. Using an epoxy polymer as a nanofiller for a nanocomposite is discussed and a new class of polymer is proposed. The introduction of the nanofiller gives variation in the mechanical properties, degree of crystallinity, gas permeability and so on. The use of these crosslinked polymers as natural nanocomposites is proposed. Practical methods of crosslinked polymer's supersegmental structure regulation are considered, and all the changes that this gives their properties are detailed.This book will be of significance to all material scientists and students of material science.

Engineering of Polymers and Chemical Complexity

Author: Walter W. Focke

Publisher: CRC Press

Published: 2014-05-21

Total Pages: 323

ISBN-13: 1926895878

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This book provides a vast amount of information on new approaches, limitations, and control on current polymers and chemicals complexity of various origins, on scales ranging from single molecules and nano-phenomena to macroscopic chemicals. Starting with a detailed introduction, the book is comprised of chapters that survey the current progress in particular research fields. The chapters, prepared by leading international experts, yield together a fascinating picture of a rapidly developing research discipline that brings chemical technology and polymers to new frontiers.

Physical Chemistry Research for Engineering and Applied Sciences - Three Volume Set

Author: Eli M. Pearce

Publisher: CRC Press

Published: 2015-06-24

Total Pages: 970

ISBN-13: 1482262339

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This 3-volume set covers new research and applications on physical chemical for engineering and applied sciences. Volume 1 discusses the principles and technological implications of industrial chemistry and biochemical physics. Volume 2 presents some fascinating phenomena associated with the remarkable features of high performance polymers and also