Effect of halloysite nanotubes on shape stabilities of polyethylene glycol-based composite phase change materials

Sarinthip Thanakkasaranee, Jongchul Seo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A series of shape-stabilized phase change materials (PCMs), composed of polyethylene glycol (PEG) and halloysite nanotube (HNT) (PEG/HNT), were prepared using a melt-extrusion technique. Chemical and morphological structures, shape-stabilities, thermal properties, and thermal stabilities of the PEG/HNT composites were investigated. The composite properties were strongly dependent on the weight ratio of HNT to PEG. Transmission electron microscopy and Brunauer–Emmett–Teller analyses showed that PEG was perfectly adsorbed into the HNT pores and covered the surfaces of HNT, which helped prevent leakage of melted PEG during a phase change from solid to liquid. Among the various PEG/HNT composites, the PEG/HNT composites with HNT contents in the range 30–50% exhibited good shape-stabilities. Moreover, the rate of heat transfer increased with the HNT content. Based on these results, we expect that the PEG/HNT composites can be used in food packaging materials to counteract the negative effects such as migration induced by unwanted temperature changes.

Original languageEnglish
Pages (from-to)154-161
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume132
DOIs
Publication statusPublished - 2019 Apr 1

Fingerprint

phase change materials
Phase change materials
Nanotubes
Polyethylene glycols
glycols
polyethylenes
nanotubes
composite materials
Composite materials
clay
Packaging materials
food
packaging
Extrusion
Thermodynamic stability
leakage
thermal stability
Thermodynamic properties
thermodynamic properties
heat transfer

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "A series of shape-stabilized phase change materials (PCMs), composed of polyethylene glycol (PEG) and halloysite nanotube (HNT) (PEG/HNT), were prepared using a melt-extrusion technique. Chemical and morphological structures, shape-stabilities, thermal properties, and thermal stabilities of the PEG/HNT composites were investigated. The composite properties were strongly dependent on the weight ratio of HNT to PEG. Transmission electron microscopy and Brunauer–Emmett–Teller analyses showed that PEG was perfectly adsorbed into the HNT pores and covered the surfaces of HNT, which helped prevent leakage of melted PEG during a phase change from solid to liquid. Among the various PEG/HNT composites, the PEG/HNT composites with HNT contents in the range 30–50{\%} exhibited good shape-stabilities. Moreover, the rate of heat transfer increased with the HNT content. Based on these results, we expect that the PEG/HNT composites can be used in food packaging materials to counteract the negative effects such as migration induced by unwanted temperature changes.",
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Effect of halloysite nanotubes on shape stabilities of polyethylene glycol-based composite phase change materials. / Thanakkasaranee, Sarinthip; Seo, Jongchul.

In: International Journal of Heat and Mass Transfer, Vol. 132, 01.04.2019, p. 154-161.

Research output: Contribution to journalArticle

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