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Open AccessArticle

Synthesis and Thermophysical Characterization of Fatty Amides for Thermal Energy Storage

1
University of Lleida (UdL) and DBA Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain
2
BarcelonaTech (UPC), Av. Diagonal 647, 08028 Barcelona
3
GREiA Research Group, INSPIRES Research Centre, Universitat de Lleida, Pere de Cabrera s/n, 25001 Lleida, Spain
*
Authors to whom correspondence should be addressed.
Academic Editor: Ana Ines Fernandez
Molecules 2019, 24(20), 3777; https://doi.org/10.3390/molecules24203777
Received: 17 September 2019 / Revised: 16 October 2019 / Accepted: 19 October 2019 / Published: 21 October 2019
(This article belongs to the Special Issue Phase Change Materials)
Nine monoamides were synthesized from carboxylic acids (C8–C18) and crude glycerol. The final monoamides were the result of a rearrangement of the acyl chain during the final hydrogenation process. The purity of the final compounds was determined by spectroscopic and mass spectrometry (MS) techniques. The thermophysical properties of solid monoamides were investigated to determine their capability to act as phase change materials (PCM) in thermal energy storage. Thermophysical properties were determined with a differential scanning calorimeter (DSC). The melting temperatures of the analyzed material ranged from 62.2 °C to 116.4 °C. The analyzed enthalpy of these monoamides ranged from 25.8 kJ/kg to 149.7 kJ/kg. Enthalpy values are analyzed considering the carbon chain and the formation of hydrogen bonds. View Full-Text
Keywords: alkyl monoamides; glycerol; hydrogen bond; PCM; TES alkyl monoamides; glycerol; hydrogen bond; PCM; TES
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MDPI and ACS Style

Canela-Xandri, A.; Villorbina, G.; Balcells, M.; Fernández-Francos, X.; Cabeza, L.F.; Canela-Garayoa, R. Synthesis and Thermophysical Characterization of Fatty Amides for Thermal Energy Storage. Molecules 2019, 24, 3777. https://doi.org/10.3390/molecules24203777

AMA Style

Canela-Xandri A, Villorbina G, Balcells M, Fernández-Francos X, Cabeza LF, Canela-Garayoa R. Synthesis and Thermophysical Characterization of Fatty Amides for Thermal Energy Storage. Molecules. 2019; 24(20):3777. https://doi.org/10.3390/molecules24203777

Chicago/Turabian Style

Canela-Xandri, Anna; Villorbina, Gemma; Balcells, Mercè; Fernández-Francos, Xavier; Cabeza, Luisa F.; Canela-Garayoa, Ramon. 2019. "Synthesis and Thermophysical Characterization of Fatty Amides for Thermal Energy Storage" Molecules 24, no. 20: 3777. https://doi.org/10.3390/molecules24203777

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