Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15421
Title: Thermal stability of composite phase change material microcapsules incorporated with silver nano-particles
Authors: Song, Q
Li, Y 
Xing, J
Hu, JY
Yuen, CWM
Keywords: Microcapsules
Phase change material
Thermal stability
Issue Date: 2007
Publisher: Elsevier
Source: Polymer, 2007, v. 48, no. 11, p. 3317-3323 How to cite?
Journal: Polymer (United Kingdom) 
Abstract: This paper reports a study on the thermal stability of phase change material microcapsules that are incorporated with silver nano-particles (Ag-NPs). The novel microcapsules were fabricated by the technique of in situ polymerization, with aminoplast as the wall and phase change material bromo-hexadecane (PCM BrC16) as the core. Thermal gravimetry (TG) analysis was applied to measure the thermal stability of these microcapsules and surface morphology of the microcapsules was observed by means of scanning electron microscopy (SEM) after an application of curing treatment at 130 ?XC. Comparing with conventional phase change material microcapsules (PCMMs), nano-composite phase change material microcapsules (NCPCMMs) have higher thermal stability. This can be attributed to nano-composite structure of the microcapsules, in which metal Ag-NPs distributed on the surface to increase wall toughness and strength. The possible reinforcement mechanisms of the nano-composite structure are explored.
URI: http://hdl.handle.net/10397/15421
ISSN: 0032-3861
EISSN: 1873-2291
DOI: 10.1016/j.polymer.2007.03.045
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