melt electrospinning

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Melt Electrospinning
Author : Yong Liu,Seeram Ramakrishna,Mohamedazeem M. Mohideen,Kaili Li
Publisher : Academic Press
Release Date : 2019-08-09
ISBN 10 : 0128165979
Pages : 218 pages
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Melt Electrospinning: A Green Method to Produce Superfine Fibers introduces the latest results from a leading research group in this area, exploring the structure, equipment polymer properties and spinning conditions of melt electrospinning. Sections introduce the invention of melt electrospinning, including the independent development of centrifugal melt electrospinning and upward melt electrospinning, discuss electro magnetization of melt and the testing method of fiber performance by means of different polymers and self-designed devices, cover simulation, and introduce principle methods and improvement measures of centrifugal melt electrospinning. Presents melt electrospinning, a green nanofiber fabrication technology Introduces the invention of melt electrospinning, including centrifugal melt electrospinning and upward melt electrospinning Describes optimization techniques, electro magnetization of melt, testing methods, DPD simulation and improvement methods Provides a useful introduction to contemporary electrospinning research with a view to its many potential applications

Polypropylene Nanofibers
Author : Rajkishore Nayak
Publisher : Springer
Release Date : 2017-09-15
ISBN 10 : 3319614584
Pages : 190 pages
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This book provides a comparison between melt electrospinning and meltblowing as techniques for the production of polypropylene nanofibers. The author compares the morphological, structural, chemical and mechanical characteristics of the different produced fibers. Moreover, the degree of thermal degradation of the different fibers is also analyzed. The book is useful to chemists and material scientists working on the synthesis of nanofibers by melt processes, showing the limitations of each technique for nanofiber fabrication.

Advancing Melt Electrospinning Writing for Fabrication of Biomimetic Structures
Author : Gernot Hochleitner
Publisher : N.A
Release Date : 2018
ISBN 10 :
Pages : 329 pages
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Modeling 3D Melt Electrospinning Writing by Response Surface Methodology
Author : N.A
Publisher : N.A
Release Date : 2018
ISBN 10 :
Pages : 329 pages
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Abstract: Three-dimensional (3D) melt electrospinning writing (MEW) is a promising technique for 3D printing of porous scaffolds with well-defined geometrical features. The diameter of electrospun fibers strongly affect the achievable resolution and consequently several other physical, mechanical, and structural properties of the fabricated scaffold. However, there are a few process parameters which significantly affect the size of electrospun fibers. In this study, response surface methodology (RSM) was used to investigate the critical and optimized process parameters and their interaction effects on the desired fiber diameter. Four process parameters, including collector speed, tip-to-collector distance, applied pressure, and voltage were studied considering their practical ranges. The results showed that all the parameters except the applied voltage had a significant effect on the printed fiber diameters. A generalized model for the interaction effects of the parameters was introduced which can be used as a framework for selecting the process parameters to achieve the desired fiber diameter. The developed model was validated by choosing random process parameters and printing three-dimensional scaffolds. The results confirm that the predicted fiber diameters match closely with the actual fiber diameters measured directly from the printed scaffold. Graphical abstract: Highlights: Response Surface Methodology was applied to model 3D Melt Electrospinning Writing. Effective process parameters including feed rate, tip-to-collector distance, applied pressure, and voltage were considered. Model equation was developed to explain the relationship between fiber diameter and process parameters. The obtained model was statistically examined and experimentally validated.

Melt Electrospinning Using Polycaprolactone (PCL) Polymer for Various Applications
Author : Junghyuk Ko,University of Victoria (B.C.). Department of Mechanical Engineering
Publisher : N.A
Release Date : 2014
ISBN 10 :
Pages : 329 pages
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This thesis presents a melt electrospinning technique to fabricate highly porous and controllable poly (?-caprolactone) (PCL) microfibers for tissue engineering applications and rehabilitation applications. Electrospinning without solvents via melt methods may be an attractive approach to tissue engineering of cell constructs where solvent accumulation or toxicity is an issue. This method is also able to produce microfibers with controllable parameters. However, the fiber diameters resulting from melt electrospinning processes are relatively large when compared to the fibers from solution electrospinning. The typical microfiber diameter from melt electrospinning was reported to be approximately 0.1mm. In order to further develop the melt electrospinning technique, we focused on the design of a melt electrospinning setup based on numerical analysis using the Solidworks 2013 simulation package and practically established a melt electrospinning setup and thermal control system for accurate experiments. One of main purposes of this thesis is the build-up of mathematical modeling to control and predict the electrospun microfiber via a more intricate understanding of their parameters such as the nozzle diameter, applied voltage, distance between the nozzle and counter electrode, temperature, flow rate, linear transitional speed, among others. The model is composed of three parts: 1) melt electrospinning process modeling, 2) fibrous helix movement modeling, and 3) build-up of microfibers modeling. The melt electrospinning process model describes an electric field, the shape of jet's continuously changing shape, and how the polymer melt is stretched into a Taylor cone and a straight jet.

Advanced Nanofibrous Materials Manufacture Technology based on Electrospinning
Author : Yanbo Liu,Ce Wang
Publisher : CRC Press
Release Date : 2019-04-23
ISBN 10 : 0429532709
Pages : 480 pages
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This book comprehensively addresses advanced nanofiber manufacturing based on electrospinning technology. The principles, relationships between process parameters and structure, morphology and performance of electrospun nanofibers and nanomaterials, and the methods for enhanced field intensity and uniform distribution are discussed. The electric field intensity and distribution during electrospinning is also analyzed based on finite element analysis on both the needle and the needleless electrospinning. Furthermore, the modification techniques for improved nanomaterials strength are covered, aiming to provide effective avenues towards the manufacture of stronger nanofiber or nanomaterial products.

Electrospinning
Author : Geoffrey R Mitchell
Publisher : Royal Society of Chemistry
Release Date : 2015-04-29
ISBN 10 : 1849735573
Pages : 288 pages
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Electrospinning techniques are used to produce novel nanoscale fibrous materials used in a diverse range of applications. Electrospinning: Principles Practice and Possibilities provides a snapshot of the current cutting edge developments of the field. The first chapter introduces readers to electrospinning, followed by different techniques to prepare fibres such as melt electrospinning and colloidal electrospinning, as well as the properties, structures and uses of the nanofibrous materials in energy applications and regenerative medicine and future directions. This balanced and authoritative book will appeal to a broad audience of postgraduate students, industrial and academic researchers in the physical and life sciences as well as engineering.

Green Electrospinning
Author : Nesrin Horzum,Mustafa M. Demir,Rafael Muñoz-Espí,Daniel Crespy
Publisher : Walter de Gruyter GmbH & Co KG
Release Date : 2019-07-22
ISBN 10 : 3110581396
Pages : 354 pages
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The last two decades have seen electrospinning of nanofibers performed mainly from solutions of toxic organic solvents. The increase in demand for scaling up electrospinning in recent years therefore requires an environmentally friendly process free of organic solvents. This book addresses techniques for clean and safe electrospinning in the fabrication of green nanofibers and their potential applications.

Melt-electrospinning of Thermoplastic Polymers
Author : Jason Michael Lyons,Frank K. Ko
Publisher : N.A
Release Date : 2004
ISBN 10 : 9780496079704
Pages : 196 pages
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Electrospun Fibers from Both Solution and Melt
Author : Huajun Zhou
Publisher : N.A
Release Date : 2007
ISBN 10 :
Pages : 338 pages
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The third system is an extension from melt electrospinning, which is heated solution electrospinning of polyolefin. We explored the possibilities of electrospinning sub-micron polyolefin fibers directly from their solutions and investigated the effects of processing parameters on fiber morphologies and properties.

Advanced Polymer Processing III
Author : Wei Min Yang
Publisher : Trans Tech Publications Ltd
Release Date : 2013-07-15
ISBN 10 : 3038261025
Pages : 734 pages
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Volume is indexed by Thomson Reuters CPCI-S (WoS). The book aims to exchange and share a number of experts and scholars’s experiences and research results about all aspects of polymer processing and modification technology; modern mold technology; rapid prototyping technology, automobiles, home appliances, electronic and aviation materials processing; materials processing simulation technology; molding equipment and process data acquisition and monitoring and other areas of new concepts. The book further enhance the interrelationships between realms of processing equipment, molding technology, mold design, mold manufacture and materials modification, to raise the application level for polymer and composite material in technologies such as cash manufacturing.

Progress in Polymer Processing
Author : Chi Zhang
Publisher : Trans Tech Publications Ltd
Release Date : 2012-01-24
ISBN 10 : 3038136875
Pages : 620 pages
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The Asian Workshop on Polymer Processing 2011(AWPP2011), organized by JSPP, SAMP and the China Science Foundation, was hosted by Qingdao University of Science and Technology in Qingdao, China from November 4 to 7th, 2011. Volume is indexed by Thomson Reuters CPCI-S (WoS). Numerous leading experts on polymer materials and processing presented their recent research finding at the meeting, and the result is an invaluable state-of-the-art guide to the subject.