Abstract
In this study, lauryl alcohol suitable for thermal energy storage applications was microencapsulated in a poly(urea-formaldehyde) shell. The microcapsules were prepared by microwave-assisted in situ polymerization. The morphology and particle size of the poly(urea-formaldehyde)/lauryl alcohol phase change energy storage microcapsules(UF/LA PCESMs) were analyzed using transmission electron microscopy, scanning electron microscopy, atomic force microscopy and dynamic light scattering. The latent heat storage capacities of lauryl alcohol and UF/LA PCESMs were determined using differential scanning calorimetry. The chemical composition of the microcapsules was characterized using Fourier transform infrared spectroscopy. All of the results show that UF/LA PCESMs were synthesized successfully and that the latent heat storage capacity and encapsulation efficiency were 156.0 J/g and 75.0%, respectively, and the diameter of each microcapsule was around 150 nm.
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Wang, G.X., Xu, W.B., Hou, Q. et al. Microwave-assisted synthesis of poly(urea-formaldehyde)/lauryl alcohol phase change energy storage microcapsules. Polym. Sci. Ser. B 58, 321–328 (2016). https://doi.org/10.1134/S1560090416030167
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DOI: https://doi.org/10.1134/S1560090416030167