Title Needleless electrospinning of nanofibers : technology and applications / Tong Lin, Xungai Wang

Published Boca Raton : CRC Press, [2013] ©2013

Table of Contents
	Preface					ix
	Acknowledgments					xi
1.	Introduction to Electrospinning					1
1.1.	Electrospinning					1
1.1.1.	Brief History					2
1.1.2.	Electrospinning Process and Principles					3
1.1.3.	Fiber Morphology					10
1.2.	Characteristics of Electrospun Nanofibers					12
1.3.	Improved Electrospinning Techniques					13
1.4.	Fiber-Collecting Modes					17
2.	Emerging Applications of Electrospun Nanofibers					23
2.1.	Biomedical					23
2.1.1.	Tissue Engineering Scaffolds					23
2.1.2.	Blood Vessels					24
2.1.3.	Bones					27
2.1.4.	Cartilages					29
2.1.5.	Muscles					30
2.1.6.	Skins					31
2.1.7.	Neural Tissues					32
2.1.8.	Other Tissue Scaffolds					34
2.1.9.	Wound Healing					34
2.1.10.	Drug Delivery and Release Control					37
2.2.	Environmental Protection					39
2.2.1.	Filtration					39
2.2.2.	Metal Ion Adsorption and Recovery					41
2.3.	Catalyst and Enzyme Carriers					43
2.3.1.	Catalysts					43
2.3.2.	Enzymes					45
2.4.	Sensors					46
2.5.	Energy Harvest and Storage					49
2.5.1.	Solar Cells					49
2.5.2.	Fuel Cells					51
2.5.3.	Mechanical Energy Harvesters					52
2.5.4.	Lithium Ion Batteries					53
2.5.5.	Supercapacitors					56
2.5.6.	Hydrogen Storage					57
2.6.	Other Applications					58
3.	Developments in Large-Scale Nanofiber Electrospinning Systems					61
3.1.	Downward Multi-Jet Electrospinning					61
3.2.	Upward Needleless Electrospinning					66
3.2.1.	Electrospinning Techniques					66
4.	Upward Needleless Electrospinning with Disc, Ball, and Cylinder Spinnerets					71
4.1.	Cylinder Electrospinning					71
4.1.1.	Effects of Applied Voltage and PVA Concentration					72
4.1.2.	Effect of Cylinder End Shape					74
4.1.3.	Effect of Cylinder Diameter					75
4.2.	Ball Electrospinning					76
4.3.	Disc Electrospinning					77
4.3.1.	Effects of Applied Voltage and PVA Concentration					78
4.3.2.	Effect of Disc Thickness					80
4.3.3.	Comparison					81
5.	Upward Needleless Electrospinning with Ring and Coil Spinnerets					83
5.1.	Ring Electrospinning					83
5.1.1.	Single Ring					83
5.1.2.	Multiple-Ring Spinnerets					86
5.2.	Wire Coil Electrospinning					87
5.2.1.	Conical Coil Electrospinning					87
5.3.	Effects of Experimental Parameters on Fiber Quality					89
5.3.1.	PVA Concentration					89
5.3.2.	Applied Voltage					90
5.3.3.	Collecting Distance					91
5.4.	Tubular Wire Coil Electrospinning					92
5.4.1.	Spinning Process					93
5.4.2.	Parameters Affecting Fiber Morphology					94
5.5.	Effects of Coil Shape on Needleless Electrospinning					95
5.5.1.	Spinneret Length					95
5.5.2.	Spiral Distance					96
5.5.3.	Coil Diameter					97
5.5.4.	Wire Diameter of the Coil					98
5.6.	Effects of Experimental Parameters					98
5.6.1.	Coil Rotating Speed					98
5.6.1.1.	Applied voltage					98
5.6.2.	Collecting Distance					99
5.6.3.	PVA Concentration					100
5.7.	Comparison					100
5.7.1.	Needle and Coil Electrospinning					100
5.7.2.	Multiple Rings and Coils					104
5.7.3.	Comparisons of Different Nozzles					105
6.	Electrical Field Analysis					109
6.1.	Cylinder Electrospinning					111
6.2.	Ball Electrospinning					115
6.3.	Disc Electrospinning					117
6.4.	Shaft-Linked Multiple Discs					121
6.5.	Ring Electrospinning					123
6.6.	Multiple Rings					129
6.7.	Conical Wire Coil Electrospinning					130
6.8.	Tubular Wire Coil					131
6.9.	Comparison of Cylinder, Disc, Ring, and Coil					132
6.10.	Collectors					135
7.	Fiber Collection					137
7.1.	Effect of Collector Shape					137
7.2.	Effect of Collection Media					139
7.3.	Effect of Collecting Distance					140
7.4.	Effect of Air Flow					141
8.	Conclusion and Outlook
	Index					187

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Description 1 online resource : text file, PDF Contents 1. Introduction to electrospinning -- 2. Emerging applications of electrospun nanofibers -- 3. Developments in large-scale nanofiber electrospinning systems -- 4. Upward needleless electrospinning with disc, ball, and cylinder spinnerets -- 5. Upward needleless electrospinning with ring and coil spinnerets -- 6. Electrical field analysis -- 7. Fiber collection -- 8. Conclusion and outlook Summary The book covers the basic electrospinning theory, electrospinning technologies that have potential for large scale production of nanofibers, and the functional applications of electrospun nanofibers in different fields. An important needleless electrospinning technique using a rotary fiber generator such as ball, cylinder, disc and wire coil, and the effects of the fiber generator, its shape and dimension, as well as operating parameters on electrospinning performance, fiber morphology and productivity are described. A method to calculate the electric field and analyze electric field profiles Bibliography Includes bibliographical references (pages 149-185) and index Subject Electrospinning. Nanofibers. nanofiber. TECHNOLOGY & ENGINEERING -- Engineering (General) TECHNOLOGY & ENGINEERING -- Reference. Electrospinning Nanofibers Form Electronic book Author Wang, Xungai, author ISBN 9789814316842 9814316849 9781628707663 1628707666

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