Thermal properties and physiological responses of vapor-permeable water-repellent fabrics treated with microcapsule-containing PCMs

Hyejin Chung, Gilsoo Cho

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

The purpose of this study is to develop a thermally adaptable, vapor-permeable water-repellent fabric. Vapor-permeable water-repellent fabrics with and without octadecane-containing microcapsules are obtained by a wet porous coating process. The thermal and physical properties of the octadecane-containing water-repellent fabrics (WR-PCM) are compared with the water-repellent fabric without octadecane (WR). The heat of fusion (ΔHf) of WR-PCM is 13.50 J/g at 29.06°C, and the heat of crystallization (ΔHf) is 14.02 J/g at 11.45°C. The thermal properties remain relatively high after thirty launderings. WR-PCM shows a lower water vapor transmission value than WR and a lower air permeability. The water repellency of both fabrics is 100%, but the water resistance of WR-PCM decreases dramatically. In wear trials, the mean skin temperature and microclimate temperature of subjects wearing active wear made with WR-PCM are lower than those made with WR. But the microclimate humidity with WR-PCM has a higher rate than WR. Although the subjective sensations of WR and WR-PCM are not significantly different, WR-PCM is cooler and more comfortable than WR. The results of this study indicate that octadecane-containing microcapsules in water-repellent fabrics provide a cooling effect but sacrifice water resistance.

Original languageEnglish
Pages (from-to)571-575
Number of pages5
JournalTextile Research Journal
Volume74
Issue number7
DOIs
Publication statusPublished - 2004 Jan 1

Fingerprint

Pulse code modulation
Capsules
Thermodynamic properties
Vapors
Water
Fusion reactions
Wear of materials
Laundering
Air permeability
Steam
Crystallization
Water vapor
Atmospheric humidity
Skin
Physical properties
Cooling
Coatings
Temperature
octadecane

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

Cite this

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title = "Thermal properties and physiological responses of vapor-permeable water-repellent fabrics treated with microcapsule-containing PCMs",
abstract = "The purpose of this study is to develop a thermally adaptable, vapor-permeable water-repellent fabric. Vapor-permeable water-repellent fabrics with and without octadecane-containing microcapsules are obtained by a wet porous coating process. The thermal and physical properties of the octadecane-containing water-repellent fabrics (WR-PCM) are compared with the water-repellent fabric without octadecane (WR). The heat of fusion (ΔHf) of WR-PCM is 13.50 J/g at 29.06°C, and the heat of crystallization (ΔHf) is 14.02 J/g at 11.45°C. The thermal properties remain relatively high after thirty launderings. WR-PCM shows a lower water vapor transmission value than WR and a lower air permeability. The water repellency of both fabrics is 100{\%}, but the water resistance of WR-PCM decreases dramatically. In wear trials, the mean skin temperature and microclimate temperature of subjects wearing active wear made with WR-PCM are lower than those made with WR. But the microclimate humidity with WR-PCM has a higher rate than WR. Although the subjective sensations of WR and WR-PCM are not significantly different, WR-PCM is cooler and more comfortable than WR. The results of this study indicate that octadecane-containing microcapsules in water-repellent fabrics provide a cooling effect but sacrifice water resistance.",
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Thermal properties and physiological responses of vapor-permeable water-repellent fabrics treated with microcapsule-containing PCMs. / Chung, Hyejin; Cho, Gilsoo.

In: Textile Research Journal, Vol. 74, No. 7, 01.01.2004, p. 571-575.

Research output: Contribution to journalArticle

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