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Title: Multi-Phase Composite Nanofibers Via Electrospinning of Latex Containing Nanocapsules with Core-Shell Morphology
Journal: Polymer-Plastics Technology and Engineering
Author: 1. Reza Faridi-Majidi, 2. Mohammad Madani, 3. Naser Sharifi-Sanjani, Sepideh Khoee, Azam Fotouhi
Year: 2012
Address: 1. Department of Medical Nanotechnology, School of Advanced Medical Technologies, Tehran University of Medical Sciences, Tehran, Iran 2. Faculty of Disciplinary New Sciences & Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran 3. School of Chemistry, University College of Science, University of Tehran, Tehran, Iran
Abstract: Nanocapsules containing hexadecane (HD) as core material and polystyrene (PS) as shell, were electrospun with polyethylene oxide (PEO) as a matrix material into the fiber webs. The morphology and thermal properties of PEO fibers containing (1) both PS nanocapsules with core-shell morphology and solid PS particles, (2) only solid PS particles, and (3) without any PS particles, were compared and the effect of PEO concentration on morphology of the resultant fibers have been studied. The resultant fibers were characterized by means of Transmission Electron Microscopy (TEM), Differential Scanning Calorimetry (DSC), and Thermogravimetric Analysis (TGA). Both TEM observation and DSC analyses confirmed that the PS nanocapsules were encapsulated within the PEO nanofibers. The fibers had an average diameter of 950 nm for nanocapsules containing parts, 300 nm for solid particles containing parts, and 150 nm for usual parts. The phase change temperatures and phase transition heat of the produced fibers were determined by DSC analyses. TGA was also used to confirm the preparation of multi phase fibers and to determine the amount of HD within the fibers.
Keywords: Core-shell; Electrospinning; Latex; Nanocapsules; Nanofibers
Application: Nanocomposite
Product Model 1: Electroris
Product Model 2:
URL: http://www.tandfonline.com/doi/abs/10.1080/03602559.2011.639326#="http://www.tandfonline.com" & "/doi/abs/10.1080/03602559.2011.639326"#