alexa Synthesis of a Novel Nanoencapsulated n-Eicosane Phase Change Material with Inorganic Silica Shell Material for Enhanced Thermal Properties through Sol-Gel Route | Abstract
ISSN: 2165-8064

Journal of Textile Science & Engineering
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Research Article

Synthesis of a Novel Nanoencapsulated n-Eicosane Phase Change Material with Inorganic Silica Shell Material for Enhanced Thermal Properties through Sol-Gel Route

Ghulam MUH, Zhang J and Wei Q*

Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, Jiangsu, China

*Corresponding Author:
Wei Q
Key Laboratory of Eco-textiles
Jiangnan University, Wuxi 214122, China
Tel: +86-137-7110-6262
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E-mail: [email protected]

Received Date: March 30, 2017; Accepted Date: April 10, 2017; Published Date: April 15, 2017

Citation: Ghulam MUH, Zhang J, Wei Q (2017) Synthesis of a Novel Nanoencapsulated n-Eicosane Phase Change Material with Inorganic Silica Shell Material for Enhanced Thermal Properties through Sol-Gel Route. J Textile Sci Eng 6: 292. doi: 10.4172/2165-8064.1000292

Copyright: © 2017 Ghulam MUH, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

A novel nanoencapsulated phase change material (PCM) based on an n-eicosane core and an inorganic silica shell was synthesized through sol-gel route by using tetraethyl-orthosilicate (TEOS) and sodium silicate as an inorganic silica-precursor at different conditions for enhanced thermal stability and phase change properties. Fourier transform infrared spectra confirm the chemical composition of synthesized nanocapsules. Scanning electronic microscopic images show that the nanocapsules consist of spherical morphology. Furthermore, nanocapsules present different particle size range between 250-550 nm with respect to their pH values; the optimum pH for n-eicosane/TEOS nanocapsules is 2.20, and 2.94 for n-eicosane/sodium silicate, respectively. In addition to this, capsules synthesized by using TEOS show small particle size distributions as compared to the ones integrated by using sodium silicate as a silica-precursor. Differential scanning calorimetry suggests that by controlling the acidity of the reaction solution nanoencapsulated n-eicosane/silica can achieve good phase change properties and high encapsulation efficiency. Thermogravimetric analysis (TGA) shows that silica-nanocapsules have good thermal stability and phase change performance. Synthesis of nanoencapsulated n-eicosane (PCM) with the silica shell material through sol-gel process can be a perspective technique to prepare the nano-PCMs with enhanced thermal transfer and phase change properties for potential applications to thermal-regulating textiles and fibers.

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