NDLI: Fabrication and characterization of coaxial electrospun polyethylene glycol/polyvinylidene fluoride (Core/Sheath) composite non-woven mats

Content Provider	Springer Nature Link
Author	Nguyen, Thuy Thi Thu Lee, Jae Goo Park, Jun Seo
Copyright Year	2011
Abstract	Polyethylene glycol (PEG) is a phase change material (PCM) with a high heat of fusion and is capable of storing and releasing large amounts of energy at its melting and crystallization point as the surrounding temperature changes. This study deals with the fabrication of polyethylene glycol/polyvinylidene fluoride (PVDF) core/sheath non-woven mats by coaxial electrospinning and characterization of the obtained mats. The non-woven mats comprised of nanofibers (average diameter: ∼700 nm) in which PEG (PCM) was encapsulated with a PVDF sheath. The PVDF sheath helped prevent PEG leakage from the fibers during a phase change and protected the core from an external environment. Water contact angle (WCA) measurements, attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy measurements, X-ray photoelectron spectroscopy (XPS) analysis and transmission electron microscopy (TEM) studies confirmed that the fabricated mats comprised a PEG layer covered with a PVDF layer. The thermal properties of the mats were analyzed by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). These results suggest that the PEG/PVDF core/sheath non-woven mats have good thermal reliability and sufficiently high tensile strength with potential applications in the manufacture of thermoregulated textiles.
Starting Page	370
Ending Page	378
Page Count	9
File Format	PDF
ISSN	15985032
Journal	Macromolecular Research
Volume Number	19
Issue Number	4
e-ISSN	20927673
Language	English
Publisher	The Polymer Society of Korea
Publisher Date	2011-04-20
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	coaxial electrospinning phase change material polyethylene glycol thermal properties energy storage Nanochemistry Nanotechnology Characterization and Evaluation of Materials Soft and Granular Matter, Complex Fluids and Microfluidics Polymer Sciences Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Chemical Engineering Polymers and Plastics

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