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The Editors XIII List of Contributors XV 1 State of the Art – Nanomechanics 1 Amrita Saritha, Sant Kumar Malhotra, Sabu Thomas, Kuruvilla Joseph, Koichi Goda, and Meyyarappallil Sadasivan Sreekala 1.1 Introduction 1 1.2 Nanoplatelet–Reinforced Composites 3 1.3 Exfoliation–Adsorption 4 1.4 In Situ Intercalative Polymerization Method 5 1.5 Melt Intercalation 6 1.6 Nanofiber–Reinforced Composites 7 1.7 Characterization of Polymer Nanocomposites 7 1.8 Recent Advances in Polymer Nanocomposites 8 1.9 Future Outlook 9 References 9 2 Synthesis, Surface Modification, and Characterization of Nanoparticles 13 Liaosha Wang, Jianhua Li, Ruoyu Hong, and Hongzhong Li 2.1 Introduction 13 2.2 Synthesis and Modification of Nanoparticles 13 2.2.1 Synthesis of Nanoparticles 13 2.2.2 Synthesis of Titania Nanoparticles 14 2.2.3 Microwave Synthesis of Magnetic Fe3O4 Nanoparticles 15 2.2.4 Magnetic Field Synthesis of Fe3O4 Nanoparticles 15 2.2.5 Synthesis of Fe3O4 Nanoparticles without Inert Gas Protection 16 2.2.6 Synthesis of ZnO Nanoparticles by Two Different Methods 16 2.2.7 Synthesis of Silica Powders by Pressured Carbonation 17 2.2.8 MW–Assisted Synthesis of Bisubstituted Yttrium Garnet Nanoparticles 18 2.2.9 Molten Salt Synthesis of Bisubstituted Yttrium Garnet Nanoparticles 18 2.3 Modification of Nanoparticles 19 2.3.1 Surface Modification of ZnO Nanoparticles 20 2.3.2 Surface Modification of Fe3O4 Nanoparticles 20 2.3.3 Surface Modification of Silica Nanoparticles 23 2.4 Preparation and Characterization of Polymer–Inorganic Nanocomposites 23 2.4.1 Nanopolymer Matrix Composites 23 2.5 Preparation of Polymer–Inorganic Nanocomposites 26 2.5.1 Sol–Gel Processing 26 2.5.2 In Situ Polymerization 27 2.5.3 Particle In Situ Formation 27 2.5.4 Blending 28 2.5.4.1 Solution Blending 28 2.5.4.2 Emulsion or Suspension Blending 30 2.5.4.3 Melt Blending 31 2.5.4.4 Mechanical Grinding/Blending 31 2.5.5 Others 31 2.6 Characterization of Polymer–Inorganic Nanocomposites 32 2.6.1 X–Ray Diffraction 32 2.6.2 Infrared Spectroscopy 33 2.6.3 Mechanical Property Test 34 2.6.4 Abrasion Resistance Test 35 2.6.5 Impact Strength 36 2.6.6 Flexural Test 37 2.6.7 Others 38 2.7 Applications of Polymer–Inorganic Nanocomposites 39 2.7.1 Applications of Bi–YIG Films and Bi–YIG Nanoparticle–Doped PMMA 39 2.7.1.1 Magneto–Optical Isolator 40 2.7.1.2 Magneto–Optical Sensor 41 2.7.1.3 Tuned Filter 42 2.7.1.4 Magneto–Optical Recorder 42 2.7.1.5 Magneto–Optic Modulator 43 2.7.1.6 Magneto–Optic Switch 44 2.8 Application of Magnetic Fe3O4–Based Nanocomposites 44 2.9 Applications of ZnO–Based Nanocomposites 46 2.9.1 Gas Sensing Materials 46 2.9.2 Photocatalyst for Degradation of Organic Dye 46 2.9.3 Benard Convection Resin Lacquer Coating 47 2.10 Applications of Magnetic Fluid 48 References 49 3 Theory and Simulation in Nanocomposites 53 Qinghua Zeng and Aibing Yu 3.1 Introduction 53 3.1.1 Dispersion of Nanoparticles 53 3.1.2 Interface 54 3.1.3 Crystallization 54 3.1.4 Property Prediction 54 3.2 Analytical and Numerical Techniques 55 3.2.1 Analytical Models 55 3.2.2 Numerical Methods 56 3.2.3 Multiscale Modeling 57 3.3 Formation of Nanocomposites 58 3.3.1 Thermodynamics of Nanocomposite Formation 58 3.3.2 Kinetics of Nanocomposite Formation 59 3.3.3 Morphology of Polymer Nanocomposites 60 3.4 Mechanical Properties 62 3.4.1 Stiffness and Strength 62 3.4.2 Stress Transfer 64 3.4.3 Mechanical Reinforcement 64 3.4.4 Interfacial Bonding 65 3.5 Mechanical Failure 65 3.5.1 Buckling 65 3.5.2 Fatigue 66 3.5.3 Fracture 66 3.5.4 Wear 66 3.5.5 Creep 67 3.6 Thermal Properties 67 3.6.1 Thermal Conductivity 67 3.6.2 Thermal Expansion 68 3.7 Barrier Properties 69 3.8 Rheological Properties 70 3.9 Conclusions 71 References 72 4 Characterization of Nanocomposites by Scattering Methods 75 Valerio Causin 4.1 Introduction 75 4.2 X–Ray Diffraction and Scattering 76 4.2.1 Wide–Angle X–Ray Diffraction 76 4.2.2 Wide–Angle X–Ray Diffraction in the Characterization of Polymer–Based Nanocomposites 77 4.2.3 Wide–Angle X–Ray Diffraction in the Characterization of the Structure of the Polymer Matrix 83 4.2.4 Small–Angle X–Ray Scattering 84 4.3 Neutron Scattering 93 4.4 Light Scattering 96 References 99 5 Mechanical–Viscoelastic Characterization in Nanocomposites 117 Vera Realinho, Marcelo Antunes, David Arencon, and Jose I. Velasco 5.1 Introduction 117 5.2 Factors Affecting the Mechanical Behavior of Nanocomposites 118 5.2.1 Influence of the Filler’s Aspect Ratio and Dispersion 118 5.2.2 Influence of the Filler–Matrix Interphase 120 5.3 Micromechanical Models for Nanocomposites 121 5.3.1 Basic Assumptions and Preliminary Concepts 122 5.3.1.1 Continuum Models 122 5.3.1.2 Equivalent Continuum Model and Self–Similar Model 123 5.3.1.3 Finite Element Modeling 123 5.3.2 Micromechanical Nanocomposites Modeling 125 5.4 Mechanical Characterization of Nanocomposites under Static Loading 127 5.4.1 Polymer–Layered Silicate Nanocomposites 127 5.4.2 Polymer–CNT Nanocomposites 129 5.4.3 Particulate Polymer Nanocomposites 130 5.5 Characterization by Dynamic Mechanical Thermal Analysis 131 5.6 Mechanical Characterization by Means of Indentation Techniques 133 5.7 Fracture Toughness Characterization of Nanocomposites 135 5.8 Conclusions 139 References 140 6 Characterization of Nanocomposites by Optical Analysis 147 Lucilene Betega de Paiva and Ana Rita Morales 6.1 Introduction 147 6.2 Influence of Nanoparticles on the Visual Aspect of Nanocomposites 148 6.3 Characterization of Appearance 151 6.3.1 Gloss 152 6.3.2 Haze 153 6.3.3 Color 154 6.4 Characterization by UV–Visible Spectrophotometry 156 6.5 Characterization by Optical Microscopy 158 References 160 7 Characterization of Mechanical and Electrical Properties of Nanocomposites 163 Iren E. Kuznetsova, Boris D. Zaitsev, and Alexander M. Shikhabudinov 7.1 Introduction 163 7.2 The Influence of the Molding Temperature on the Density of the Nanocomposite Samples Based on the Low–Density Polyethylene 164 7.3 Experimental Study of the Temperature Dependence of the Permittivity of the Nanocomposite Materials 168 7.4 Elastic and Viscous Properties of the Nanocomposite Films Based on the Low–Density Polyethylene Matrix 172 7.4.1 Technology of Producing the Nanocomposite Polymeric Films 172 7.4.2 Determination of the Coefficients of Elasticity and Viscosity of Nanocomposite Polymeric Films 173 7.5 Effect of the Nanoparticle Material Density on the Acoustic Parameters of Nanocomposites Based on the Low–Density Polyethylene 179 7.6 Conclusions 182 References 183 8 Barrier Properties of Nanocomposites 185 Amrita Saritha and Kuruvilla Joseph 8.1 Introduction 185 8.2 Nanocomposites from Ceramic Oxides 186 8.3 Nanocomposites from Nanotubes 186 8.4 Layered Silicate Nanocomposites 187 8.5 Composite Models of Permeation 191 8.5.1 Nielsen Model 191 8.5.2 Bharadwaj Model 191 8.5.3 Fredrickson and Bicerano Model 192 8.5.4 Cussler Model 193 8.5.5 Gusev and Lusti Model 193 8.6 Techniques Used to Study the Permeability of Polymers and Nanocomposites 195 8.7 Calculation of Breakthrough Time 196 8.8 Applications 197 8.9 Conclusions 198 References 198 9 Polymer Nanocomposites Characterized by Thermal Analysis Techniques 201 Carola Esposito Corcione, Antonio Greco, Mariaenrica Frigione, and Alfonso Maffezzoli 9.1 Introduction 201 9.2 Thermal Analysis Methods 202 9.2.1 Differential Scanning Calorimetry 202 9.2.2 Thermogravimetric Analysis 209 9.3 Dynamic Mechanical Thermal Analysis 211 9.4 Thermal Mechanical Analysis 214 9.5 Conclusions 215 References 215 10 Carbon Nanotube–Filled Polymer Composites 219 Dimitrios Tasis and Kostas Papagelis 10.1 Introduction 219 10.2 Processing Methods 220 10.2.1 Common Approaches 220 10.3 Novel Approaches 223 10.3.1 CNT–Based Membranes and Networks 223 10.3.2 CNT–Based Fibers 229 10.4 Mechanical Properties of Composite Materials 232 10.5 Basic Theory of Fiber–Reinforced Composite Materials 232 10.6 Stress Transfer Efficiency in Composites 234 10.7 Mechanical Properties: Selected Literature Data 236 10.8 Electrical Properties of Composite Materials 236 10.9 Electrical Properties: Selected Literature Data 240 10.10 CNT–Polymer Composite Applications 243 References 244 11 Applications of Polymer–Based Nanocomposites 249 Thien Phap Nguyen 11.1 Introduction 249 11.2 Preparation of Polymer–Based Nanocomposites 250 11.3 Applications of Nanocomposites 251 11.3.1 Mechanical Properties and Applications 251 11.3.2 Thermal Properties and Applications 253 11.3.3 Electrical Properties and Applications 255 11.3.4 Optical Properties and Applications 257 11.3.4.1 Transmission of Light 257 11.3.4.2 Energy Conversion 259 11.4 Energy Conversion and Storage Capacity and Applications 265 11.5 Biodegradability and Applications 266 11.5.1 Nanocomposites for Medical Applications 266 11.5.2 Nanocomposites for Drug Release Applications 268 11.5.3 Nanocomposites for Food Packaging 268 11.6 Conclusion and Outlook 269 References 270 12 Health Hazards and Recycling and Life Cycle Assessment of Nanomaterials and Their Composites 279 Lucas Reijnders 12.1 Introduction 279 12.2 Health Hazards of Inorganic Nanoparticles 280 12.3 Nanocomposite Life Cycles and Life Cycle Assessment 281 12.4 Life Cycle Assessment of Nanoparticles and Nanocomposites in Practice 284 12.5 Nanocomposite Life Cycle Management, Including Recycling 285 12.6 Reducing Nanoparticle–Based Health Hazards and Risks Associated with Nanocomposite Life Cycles 289 12.7 Conclusion 291 References 291 Index 295