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Explains the correlation between the physical properties and structure of polymer gels This book elucidates in detail the physics of polymer gels and reviews their unique properties that make them attractive for innumerable applications. Geared towards experienced researchers and entrants to the field, it covers rubber elasticity, swelling and shrinking, deformation and fracture of as well as mass transport in polymer gels, enabling the readers to purposefully design polymer gels fit for specific purposes. Divided into two parts, Physics of Polymer Gels starts by explaining the statistical…mehr
Explains the correlation between the physical properties and structure of polymer gels This book elucidates in detail the physics of polymer gels and reviews their unique properties that make them attractive for innumerable applications. Geared towards experienced researchers and entrants to the field, it covers rubber elasticity, swelling and shrinking, deformation and fracture of as well as mass transport in polymer gels, enabling the readers to purposefully design polymer gels fit for specific purposes. Divided into two parts, Physics of Polymer Gels starts by explaining the statistical mechanics and scaling of a polymer chains, and that of polymer solutions. It then introduces the structure of polymer gels and explains the rubber elasticity, which predicts the solid-like nature of polymer gels. Next, it describes swelling/deswelling, which can be understood by combining the rubber elasticity and the osmotic pressure of a polymer solution. Large deformation and fracture, and the diffusion of substances in polymer gels, which are essential for practical applications, are also introduced. The last half of the book contains the authors' experimental results using Tetra-PEG gels and provides readers with the opportunity to examine and compare it with the first half in order to understand how to utilize the models to experiments. This title: * Is the first book dedicated to the physics of polymer gels * Describes in detail the properties of polymer gels and their underlying physics, facilitating the development of novel, polymer gel-based applications * Serves as a reference for all relevant polymer gel properties and their underlying physics * Provides a unified treatment of the subject, explaining the physical properties of polymer gels within a common nomenclature framework Physics of Polymer Gels is a must-have book for experienced researchers, such as polymer chemists, materials scientists, organic chemists, physical chemists, and solid-state physicists, as well as for newcomers to the field.
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Autorenporträt
Takamasa Sakai is Associate Professor in the Department of Bioengineering at the University of Tokyo, Japan. His research is focused on polymer physics and structural biomaterials and was recognized with numerous awards, including the Award for the Encouragement of Research in Polymer Science from the Japanese Polymer Society and the Sumitomo Bakelite Award.
Inhaltsangabe
PART I. Theories
SINGLE POLYMER CHAIN General Features Statistics of a Single Polymer Chain Scaling of a Single Polymer Chain
POLYMER SOLUTION Polymer Chains in Solution Effect of Polymer Concentration on Chain Conformation Osmotic Pressure of a Polymer Solution
DEFINITION OF POLYMER GEL AND RUBBER ELASTICITY Definition of Polymer Gels Mesh Size of a Polymer Gel Elastic Modulus Network Strands and Crosslinks Topological Interaction Sol-Gel Transition Heterogeneity of Polymer Gels
SWELLING AND DESWELLING Change in the Elastic Modulus due to Swelling/Deswelling Equilibrium Swelling Volume Phase Transition Swelling/Deswelling Kinetics Degradation of Polymer Gels
DEFORMATION AND FRACTURE Description of Deformation Phenomenological Description of the Strain Energy Density Function Molecular Models for the Strain Energy Density Function Scaling for Large Deformation Fracture Behavior of Polymer Gels Mesh Size Estimated from Elastic Modulus and Fine Extensibility
MASS TRANSPORT IN POLYMER GEL Thermal Motion and Brownian Motion Diffusion in Dilute Polymer Solutions Diffusion in Semi-Dilute Polymer Solutions and Polymer Gels
PART II. Experiments
TETRA GEL AS A NEAR-IDEAL POLYMER NETWORK Ideal Polymer Network Tetra-PEG Gel Structure Tuning of Tetra-PEG Gels
SOL-GEL TRANSITION Determination of Sol-Gel Transition by Rheometry Phase Diagram Fractal Dimension at the Critical Point Reaction Kinetics of a Gelling System
STRUCTURAL ANALYSIS BY LIGHT AND NEUTRON SCATTERING Scattering Curves of Tetra-PEG Gels Scattering Curves of Stretched Tetra-PEG Gels
ELASTIC MODULUS Effect of Connectivity Effect of Polymer Concentration and Network Strand Length
LARGE DEFORMATION Estimation of Strain Energy Density Function Cross Coupling Stretchability in Uniaxial Stretching
FRACTURE Estimation of Fracture Energy Conversion-Tuned Tetra-PEG Gels Effects of Network Concentration and Strand Length Bimodal Tetra-PEG Gels Summary
MASS TRANSPORT Diffusion of Water Molecules Migration of Water Molecules in Hydrogels Electro-Osmotic Flow in Electrically Charged Gels Migration of Small Double Stranded DNAs Migration of Large Double Stranded DNAs
OSMOTIC PRESSURE Osmotic Pressure of Gels and Prepolymer Solutions Change in Osmotic Pressure during Gelation c* Theorem at Gelation Threshold
SWELLING Elastic Modulus of Swollen and Highly Deswollen Gels Equilibrium Swelling Swelling Kinetics
DEGRADATION Cleavage of Specific Site Cleavage of Non-Specific Site
CONTROL OVER SWELLING OF INJECTABLE GEL Nonswellable Gels Non-Osmotic Gel Oligo-TetraPEG Gel
SINGLE POLYMER CHAIN General Features Statistics of a Single Polymer Chain Scaling of a Single Polymer Chain
POLYMER SOLUTION Polymer Chains in Solution Effect of Polymer Concentration on Chain Conformation Osmotic Pressure of a Polymer Solution
DEFINITION OF POLYMER GEL AND RUBBER ELASTICITY Definition of Polymer Gels Mesh Size of a Polymer Gel Elastic Modulus Network Strands and Crosslinks Topological Interaction Sol-Gel Transition Heterogeneity of Polymer Gels
SWELLING AND DESWELLING Change in the Elastic Modulus due to Swelling/Deswelling Equilibrium Swelling Volume Phase Transition Swelling/Deswelling Kinetics Degradation of Polymer Gels
DEFORMATION AND FRACTURE Description of Deformation Phenomenological Description of the Strain Energy Density Function Molecular Models for the Strain Energy Density Function Scaling for Large Deformation Fracture Behavior of Polymer Gels Mesh Size Estimated from Elastic Modulus and Fine Extensibility
MASS TRANSPORT IN POLYMER GEL Thermal Motion and Brownian Motion Diffusion in Dilute Polymer Solutions Diffusion in Semi-Dilute Polymer Solutions and Polymer Gels
PART II. Experiments
TETRA GEL AS A NEAR-IDEAL POLYMER NETWORK Ideal Polymer Network Tetra-PEG Gel Structure Tuning of Tetra-PEG Gels
SOL-GEL TRANSITION Determination of Sol-Gel Transition by Rheometry Phase Diagram Fractal Dimension at the Critical Point Reaction Kinetics of a Gelling System
STRUCTURAL ANALYSIS BY LIGHT AND NEUTRON SCATTERING Scattering Curves of Tetra-PEG Gels Scattering Curves of Stretched Tetra-PEG Gels
ELASTIC MODULUS Effect of Connectivity Effect of Polymer Concentration and Network Strand Length
LARGE DEFORMATION Estimation of Strain Energy Density Function Cross Coupling Stretchability in Uniaxial Stretching
FRACTURE Estimation of Fracture Energy Conversion-Tuned Tetra-PEG Gels Effects of Network Concentration and Strand Length Bimodal Tetra-PEG Gels Summary
MASS TRANSPORT Diffusion of Water Molecules Migration of Water Molecules in Hydrogels Electro-Osmotic Flow in Electrically Charged Gels Migration of Small Double Stranded DNAs Migration of Large Double Stranded DNAs
OSMOTIC PRESSURE Osmotic Pressure of Gels and Prepolymer Solutions Change in Osmotic Pressure during Gelation c* Theorem at Gelation Threshold
SWELLING Elastic Modulus of Swollen and Highly Deswollen Gels Equilibrium Swelling Swelling Kinetics
DEGRADATION Cleavage of Specific Site Cleavage of Non-Specific Site
CONTROL OVER SWELLING OF INJECTABLE GEL Nonswellable Gels Non-Osmotic Gel Oligo-TetraPEG Gel
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