Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications

Abstract The heat packs using phase change materials (PCMs) are designed for possible applications such as body comfort and medical applications under adverse situations. The development and performance of such heat packs rely on thermophysical properties of PCMs such as latent heat, suitable heat r...

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Autores principales:	Rohitash Kumar, Sumita Vyas, Ravindra Kumar, Ambesh Dixit
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/55c46da9828b44ee84e21e5a4c54ff4c
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spelling	oai:doaj.org-article:55c46da9828b44ee84e21e5a4c54ff4c2021-12-02T11:53:13ZDevelopment of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications10.1038/s41598-017-05310-32045-2322https://doaj.org/article/55c46da9828b44ee84e21e5a4c54ff4c2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05310-3https://doaj.org/toc/2045-2322Abstract The heat packs using phase change materials (PCMs) are designed for possible applications such as body comfort and medical applications under adverse situations. The development and performance of such heat packs rely on thermophysical properties of PCMs such as latent heat, suitable heat releasing temperature, degree of supercooling, effective heat releasing time, crystallite size, stability against spontaneous nucleation in metastable supercooled liquid state and thermal stability during heating and cooling cycles. Such PCMs are rare and the available PCMs do not exhibit such properties simultaneously to meet the desired requirements. The present work reports a facile approach for the design and development of ethylene glycol (EG) and aqueous sodium acetate trihydrate (SAT) based composite phase change materials, showing these properties simultaneously. The addition of 2–3 wt% EG in aqueous SAT enhances the softness of SAT crystallites, its degree of supercooling and most importantly the effective heat releasing time by ~10% with respect to aqueous SAT material. In addition, the maximum heat releasing temperature of aqueous SAT has been tailored from 56.5 °C to 55 °C, 54.9 °C, 53.5 °C, 51.8 °C and 43.2 °C using 2%, 3%, 5%, 7% and 10 wt% EG respectively, making the aqueous SAT-EG composite PCMs suitable for desired thermal applications.Rohitash KumarSumita VyasRavindra KumarAmbesh DixitNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rohitash Kumar Sumita Vyas Ravindra Kumar Ambesh Dixit Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
description	Abstract The heat packs using phase change materials (PCMs) are designed for possible applications such as body comfort and medical applications under adverse situations. The development and performance of such heat packs rely on thermophysical properties of PCMs such as latent heat, suitable heat releasing temperature, degree of supercooling, effective heat releasing time, crystallite size, stability against spontaneous nucleation in metastable supercooled liquid state and thermal stability during heating and cooling cycles. Such PCMs are rare and the available PCMs do not exhibit such properties simultaneously to meet the desired requirements. The present work reports a facile approach for the design and development of ethylene glycol (EG) and aqueous sodium acetate trihydrate (SAT) based composite phase change materials, showing these properties simultaneously. The addition of 2–3 wt% EG in aqueous SAT enhances the softness of SAT crystallites, its degree of supercooling and most importantly the effective heat releasing time by ~10% with respect to aqueous SAT material. In addition, the maximum heat releasing temperature of aqueous SAT has been tailored from 56.5 °C to 55 °C, 54.9 °C, 53.5 °C, 51.8 °C and 43.2 °C using 2%, 3%, 5%, 7% and 10 wt% EG respectively, making the aqueous SAT-EG composite PCMs suitable for desired thermal applications.
format	article
author	Rohitash Kumar Sumita Vyas Ravindra Kumar Ambesh Dixit
author_facet	Rohitash Kumar Sumita Vyas Ravindra Kumar Ambesh Dixit
author_sort	Rohitash Kumar
title	Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
title_short	Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
title_full	Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
title_fullStr	Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
title_full_unstemmed	Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
title_sort	development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/55c46da9828b44ee84e21e5a4c54ff4c
work_keys_str_mv	AT rohitashkumar developmentofsodiumacetatetrihydrateethyleneglycolcompositephasechangematerialswithenhancedthermophysicalpropertiesforthermalcomfortandtherapeuticapplications AT sumitavyas developmentofsodiumacetatetrihydrateethyleneglycolcompositephasechangematerialswithenhancedthermophysicalpropertiesforthermalcomfortandtherapeuticapplications AT ravindrakumar developmentofsodiumacetatetrihydrateethyleneglycolcompositephasechangematerialswithenhancedthermophysicalpropertiesforthermalcomfortandtherapeuticapplications AT ambeshdixit developmentofsodiumacetatetrihydrateethyleneglycolcompositephasechangematerialswithenhancedthermophysicalpropertiesforthermalcomfortandtherapeuticapplications
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Development of sodium acetate trihydrate-ethylene glycol composite phase change materials with enhanced thermophysical properties for thermal comfort and therapeutic applications

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