Electrospun Nanofibres and their Applications

Table of Contents......Page 5
1.1 What is Nanotechnology?......Page 11
1.2 What is Electrospinning?......Page 16
1.3 What Affects Electrospinning?......Page 20
1.4 Applications......Page 22
1.5 Global Interest in the Field of Electrospinning......Page 23
2.1 One-Dimensional Model......Page 27
2.2 Spivak-Dzenis Model......Page 28
2.3 Wan-Guo-Pan Model......Page 29
2.4 Modified One-Dimensional Model......Page 30
2.5 Modified Conservation of Charge Model......Page 32
2.6 Reneker’s Model......Page 38
2.7 E-Infinity Theory......Page 44
3 Allometric Scaling in Electrospinning......Page 51
3.1 Allometric Scaling in Nature......Page 52
3.2.1 Relationship Between Radius r of Jet and Axial Distance z......Page 55
3.2.2 Allometric Scaling Relationship Between Current and Voltage......Page 63
3.2.3 Allometric Scaling Relationship Between Solution Flow Rate and Current......Page 66
3.2.4 Effect of Concentration on Electrospun PAN Nanofibres......Page 69
3.2.5 Allometric Scaling Law Between Average Polymer Molecular Weight and Electrospun Nanofibre Diameter......Page 73
3.2.6 Effect of Voltage on Morphology and Diameter of Electrospun Nanofibres......Page 76
3.2.7 Improving Electrospinnability Using Non-ionic Surfactants......Page 82
3.3 Allometric Scaling Law for Static Friction of Fibrous Materials......Page 90
3.3.1 Solid–Solid Friction......Page 91
3.3.4 Fibre–Fibre Friction......Page 92
3.4 Allometric Scaling in Biology......Page 94
4.1 Effect of Viscosity on Diameter of Electrospun Fibre......Page 103
4.2 Effect of Vibration on Viscosity......Page 104
4.3 Application of Vibration Technology to Polymer Electrospinning......Page 105
4.4 Effect of Solution Viscosity on Mechanical Characteristics of Electrospun Fibres......Page 113
4.5 Carbon-Nanotube-Reinforced Polyacrylonitrile Nanofibres by Vibration Electrospinning......Page 115
5 Magneto-Electrospinning: Control of the Instability......Page 125
5.1 Critical Length of Straight Jet in Electrospinning......Page 126
5.2 Controlling Stability by Magnetic Field......Page 129
5.3 Controlling Stability by Temperature......Page 133
5.4 Siro-electrospinning......Page 137
6.1 Spider Spinning......Page 141
6.1.1 Intelligent Spider Fibre......Page 142
6.1.2 Mathematical Model for Spider-Spun Fibres......Page 144
6.2 Electrospinning of Silk Fibroin Nanofi bres......Page 145
6.3 Solving the Mystery of the Spider Spinning Process......Page 146
6.4 Bubble Electrospinning......Page 153
7.1 Experimental Observations......Page 167
7.2 Effects of Different Solvents......Page 168
7.3 Effect of Polymer Concentration......Page 173
7.4 Effect of Salt Additive......Page 175
8 Electrospun Nanoporous Microspheres for Nanotechnology......Page 179
8.1 Electrospun Nanoporous Spheres with a Traditional Chinese Drug......Page 180
8.2 Electrospinning Dilation......Page 190
8.3 Single Nanoporous Fibres by Electrospinning......Page 193
8.4 Microspheres with Nanoporosity......Page 197
8.5 Microcomposite Fibres by Electrospinning......Page 199
9.1 E-Infinity Nanotechnology......Page 201
9.2 Application of E-Infinity Theory to Electrospinning......Page 203
9.2.1 Hausdorff Dimension for the Hierarchy of Motion......Page 204
9.2.2 Experimental Verifi cation......Page 205
9.3 Super Carbon Nanotubes: An E-Infinity Approach......Page 209
10.1 Jet Vortex Spinning and Cyclone Model......Page 213
10.2 Two-Phase Flow of Yarn Motion in High-Speed Air and Micropolar Model......Page 215
10.3 Mathematical Model for Yarn Motion in a Tube......Page 219
10.4 Nanohydrodynamics......Page 222
10.5 A New Resistance Formulation for Carbon Nanotubes and Nerve Fibres......Page 228
10.6 Differential–Difference Model for Nanotechnology......Page 230
11 Nonlinear Dynamics in Sirofil/SiroSpun Yarn Spinning......Page 235
11.1 Convergence Point......Page 237
11.2 Linear Dynamic Model......Page 239
11.3 Nonlinear Dynamic Model......Page 246
11.4 Stable Working Condition for Three-Strand Yarn Spinning......Page 251
11.5 Nano-Sirospinning......Page 256
Abbreviations......Page 259
Index......Page 261