Fabrication and Properties of Electrospun PAN/LA-SA/TiO2 Composite Phase Change Fiber

A stabilized matrix to accommodate phase change materials is essential in the application and functioning of phase change materials. In this study, lauric-stearic acid eutectics and TiO2 were doped with polyacrylonitrile solution to electrospin a composite phase change nanofibers. The surface morpho...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2018-07, Vol.57 (10), p.958-964
Main Authors: Ke, Guizhen, Wang, Xin, Pei, Jiafeng
Format: Article
Language:English
Subjects:
Cycle ratio
Energy storage
Eutectic temperature
Latent heat
Nanofibers
Phase change materials
Polyacrylonitrile
Stearic acid
Thermal analysis
Thermal energy
Thermal stability
Thermogravimetric analysis
Titanium dioxide
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Summary:A stabilized matrix to accommodate phase change materials is essential in the application and functioning of phase change materials. In this study, lauric-stearic acid eutectics and TiO2 were doped with polyacrylonitrile solution to electrospin a composite phase change nanofibers. The surface morphology indicated typical nanofibrous structure of polyacrylonitrile/lauric-stearic/TiO2 composite nanofibers, and the diameter of fiber increased with the increase in lauric-stearic eutectic mass ratio. Differential scanning calorimetry analysis showed the temperature of melting peak of polyacrylonitrile/lauric-stearic/TiO2 nanofiber was around 25°C, which was lower than that of pure lauric-stearic eutectics. Latent heat value of the composite fibers gradually increased with the increase in lauric-stearic mass ratio. Thermal cycle test and thermogravimetric analysis showed that polyacrylonitrile/lauric-stearic/TiO2 composite fibers were reversible thermal energy storage materials with good thermal stability below 100°C.
ISSN:0360-2559
1525-6111
DOI:10.1080/03602559.2017.1370101