Electrospinning (PDF)

INTRODUCTION Fibers - Key Functional Elements in Technology and Nature Material Science Considerations - From Molecular Structures to Functional Technical Fibers Processing of Polymer Materials Towards Fibers - Fiber Extrusion Routes to More Advanced Fibers - Mimicking Nature Electrospinning - A Simple Experimental Approach Electrospinning - The Hidden Complex Physical Processes Involved Short History of Electrospinning - The Routes go Back Close to a Century Electrospinning Important Facts to Remember NATURE OF THE ELECTROSPINNING PROCESS - EXPERIMENTAL OBSERVATIONS AND THEORETICAL ANALYSIS Experimental Set-Ups Experimental Observations on Fiber Information Theoretical Analysis of the Nature of the Electrospinning Processes Nature of the Electrospinning Process - Important Facts to Remember NANOFIBER PROPERTIES Parameters Controlling Nanofiber Information Short Account on Methods of Analysis for the Structure of Electrospun Nanofibers Control of Nanofiber Diameters Shape of the Fibers Nanofiber Topologies, Porous Fibers Nanofiber Trajectories in the Deposition Plane Internal Morphology of Electrospun Nanofibers Mechanical Properties of Single Nanofibers Nanofiber Properties - Important Facts to Remember NONWOVENS COMPOSED OF ELECTROSPUN NANOFIBERS Nanofiber Nonwovens - Functional Elements for Technical Applications Methods of Analysis for Properties on Nonwovens Fiber Arrangements in Nonwovens Heterogeneous Nonwovens Porosity and Pore Structures - Theoretical Modeling and Experimental Analysis Mechanical Properties of Nonwovens Nonwovens Composed of Electrospun Nanofibers - Important Facts to Remember ELECTROSPINNING - SOME TECHNICAL ASPECTS Technical Set-Ups for Creating Jets Designs of Counter Electrode Configurations Allowing to Prepare Nonwovens with a Broad Range of Architecture Electrospinning - Some Technical Aspects - Important Facts to Remember MODIFICATION OF THE ELECTROSPINNING TECHNIQUE Towards Advanced Modes of Fiber Preparation and Deposition High

Joachim Wendorff was full professor for physical chemistry and polymer physics at the Philipps-University of Marburg, Germany. He received his doctorate from the University of Marburg in 1969 for work in the fi eld of polymer physics with F. H. Mueller. After a postdoctoral
stay with F. P. Price in Amherst, he became a research assistant with E. W.Fischer at the University of Mainz. In 1982, he completed his habilitation in physical chemistry there. From 1976 to 1991, he headed the Physics Department at the German Polymer Institute (DKI) in
Darmstadt. In 1990, he took up a professorship in physics at the TH Darmstadt, and in 1991 he moved to a professorship in physical chemistry/polymer physics at the Philipps-University at Marburg. His research interests include functional polymers, liquid crystals, polymer alloys, molecular reinforcement, nanostructuring, and electrospinning.

Seema Agarwal is extraordinary professor at the Philipps-University of Marburg, Germany, since 2010. She received her PhD in polymer chemistry at the Indian Institute of Technology (I.I.T.) in Delhi, India in the year 1995. She carried out postdoctoral research work at the
Philipps-University of Marburg, supported by the Alexander von Humboldt Foundation. Agarwal is a recipient of the 2009 Hermann-Schnell Prize (GDCh).

Andreas Greiner is full professor for Macromolecular Chemistry and Technology at the Philipps-University of Marburg, Germany. He studied chemistry at the University of Marburg and earned his doctorate there in 1988. After a postdoctoral stay with D. Pearson and H.-W. Schmidt in Santa Barbara, he returned to Marburg, where he completed his habilitation in macromolecular chemistry in 1995. In the same year, he took up a professorship at the University of Mainz, and in 2000, he became full for Professor of Macromolecular Chemistry and Technology in Marburg. His research interests include the classical synthesis of monomers and polymers, specialty processing like

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