The Structural Stabilization Of Polymers Fractal Models
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The Structural Stabilization Of Polymers Fractal Models
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Author : Kozlov
language : en
Publisher: CRC Press
Release Date : 2006-07-01
The Structural Stabilization Of Polymers Fractal Models written by Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-01 with Science categories.
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
The Fractal Physical Chemistry Of Polymer Solutions And Melts
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Author : G. V. Kozlov
language : en
Publisher: CRC Press
Release Date : 2013-12-12
The Fractal Physical Chemistry Of Polymer Solutions And Melts written by G. V. Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-12 with Science categories.
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 c
The Fractal Physics Of Polymer Synthesis
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Author : G. V. Kozlov
language : en
Publisher: CRC Press
Release Date : 2013-12-12
The Fractal Physics Of Polymer Synthesis written by G. V. Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-12 with Science categories.
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 Analysis Of Gas Transport In Polymers
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Author : Georgii Vladimirovich Kozlov
language : en
Publisher: Nova Science Pub Incorporated
Release Date : 2009-01-01
The Fractal Analysis Of Gas Transport In Polymers written by Georgii Vladimirovich Kozlov and has been published by Nova Science Pub Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-01 with Science categories.
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.
Fractal Analysis And Synergetics Of Catalysis In Nanosystems
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Author : G. V. Kozlov
language : en
Publisher: Nova Publishers
Release Date : 2008
Fractal Analysis And Synergetics Of Catalysis In Nanosystems written by G. V. Kozlov and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Mathematics categories.
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.
Handbook Of Polymer Research
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Author : Gennadii Efremovich Zaikov
language : en
Publisher: Nova Publishers
Release Date : 2006
Handbook Of Polymer Research written by Gennadii Efremovich Zaikov and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Polymers are substances containing a large number of structural units joined by the same type of linkage. These substances often form into a chain-like structure. Starch, cellulose, and rubber all possess polymeric properties. Today, the polymer industry has grown to be larger than the aluminium, copper and steel industries combined. Polymers already have a range of applications that far exceeds that of any other class of material available to man. Current applications extend from adhesives, coatings, foams, and packaging materials to textile and industrial fibres, elastomers, and structural plastics. Polymers are also used for most composites, electronic devices, biomedical devices, optical devices, and precursors for many newly developed high-tech ceramics. This new volume presents leading-edge research in this rapidly-changing and evolving field.
Polymers For Packaging And Containers In Food Industry
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Author : Sukhareva
language : en
Publisher: CRC Press
Release Date : 2008-08-22
Polymers For Packaging And Containers In Food Industry written by Sukhareva and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-22 with Science categories.
This book delineates the scientific principles of design and fabrication of packaging materials for food as well as methods for structural modification and other techniques. It describes the main practical properties and applications of polymer materials and highlights the analysis of all processes taking place during formations and destruction of
Fractal Mechanics Of Polymers
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Author : G. V. Kozlov
language : en
Publisher: CRC Press
Release Date : 2014-11-12
Fractal Mechanics Of Polymers written by G. V. Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-12 with Science categories.
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
Structure Of The Polymer Amorphous State
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Author : Kozlov
language : en
Publisher: CRC Press
Release Date : 2019-12
Structure Of The Polymer Amorphous State written by Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12 with categories.
The basic problem of polymer physics is obtaining â ~structure-propertiesâ (TM) correlations for their future application for practical purposes. However, these cannot be obtained without the development of a quantitative model of the polymer structure. This problem has been actively investigated during the last 45 years, which resulted in obtaining a great amount of experimental (mostly indirect) proofs of existence of the local order in the polymer amorphous state. Now, the time has come for creating a structural model of polymer basing based on the local order ideas. The cluster model, as presented in this monograph, of the polymer amorphous state structure represents the realization of such attempts. The development of this cluster model is based on well-known experimental observation: the behavior of glassy polymers in the area of stimulated high-elasticity plateau is described in the framework of rubber elasticity concepts. This gives an opportunity to present the local order (cluster) zone as a multifunctional entanglement of the physical network consisting of several collinear closely packed segments of different macromolecules (the amorphous analogue of crystallite with extended chains) and surrounded by a packless matrix. An independent method for assessing local order zone fraction in the structure has been elaborated. Segment length in the cluster equals the length of the chain statistical segment that gives a correlation between molecular and structural parameters of the polymer. Application of the cluster model allowed description and obtaining of analytical â ~structure-propertiesâ (TM) correlations for many processes proceeding in polymers: elasticity, yielding, degradation, transport, some thermodynamic processes, structural relaxation, plasticization, structural stabilization at thermo-oxidative degradation, etc. The relation between the cluster model and some modern physical concepts, for instance fractal analysis, fluctuation free volume kinetic
Homolytic And Heterolytic Reactions
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Author : Gennadiĭ Efremovich Zaikov
language : en
Publisher: Nova Publishers
Release Date : 2004
Homolytic And Heterolytic Reactions written by Gennadiĭ Efremovich Zaikov and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Medical categories.
Homolytic & Heterolytic Reactions - Problems & Solutions