By et al Seeram Ramakrishna
The study and improvement of nanofibers has received a lot prominence in recent times because of the heightened knowledge of its capability purposes within the scientific, engineering and safeguard fields. one of the so much profitable equipment for generating nanofibers is the electrospinning method. during this well timed booklet, the components of electrospinning and nanofibers are lined for the 1st time in one quantity. The booklet could be commonly divided into components: the 1st includes descriptions of the electrospinning technique and modeling to procure nanofibers whereas the second one describes the features and purposes of nanofibers. the cloth is geared toward either novices and skilled researchers within the quarter.
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Extra resources for An Introduction to Electrospinning and Nanofibers
2004)]. Another protein that is electrospun for use in tissue engineering is fibrinogen. As this protein plays a key role in blood clotting and wound healing, electrospun fibrinogen has been explored for possible usage in wound dressings [Wnek et. al. (2003)]. Proteins such as natural silk fiber have outstanding mechanical properties. This makes it an interesting candidate for application in biomedical field where mechanical property is important. It is possible to electrospin silk to obtain fibers with average diameter less than 500nm [Ohgo et.
This book can be split into two major blocks: Chapters 2 to 4 deal with electrospinning while Chapters 5 to 7 focus on the electrospun nanofibers. Chapter 2 covers some basic aspects of the electrospinning process by firstly reviewing the various classes of materials such as polymers, composites and ceramics. Sub-topics on solution properties and electrostatics, which are part and parcel of the electrospinning process, are covered in view of their inter-relatedness with the material classes and properties.
2003)]. From the studies polymer film, it can be seen that T g is affected by the surface mobility. For a nanofiber, with the surface area larger than film, it has been experimentally shown to exhibit a lower T g than cast film [Zong et. al. (2002)]. There are many factors that affect bulk T g . Polymers with more freevolume allows easier movement of molecular chain thus lowering the T g . Stronger secondary bonds such as H bonds would increase the T g . With greater the chain length, there are more entanglements within the polymer structure thus increasing the T g .
An Introduction to Electrospinning and Nanofibers by et al Seeram Ramakrishna