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Thermal and mechanical properties of bio-based PCMs encapsulated with nanofibrous structure

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.renene.2013.07.047 Byline: Wen Hu, Xun Yu Abstract: An environmentally friendly phase change material (PCM) was successfully prepared by encapsulating natural soy wax into polyurethane (PU) nanofibers using co... Full description

Journal Title: Renewable Energy Feb, 2014, Vol.62, p.454(5)
Main Author: Hu, Wen
Other Authors: Yu, Xun
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Cengage Learning, Inc.
ID: ISSN: 0960-1481
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recordid: gale_ofa345856691
title: Thermal and mechanical properties of bio-based PCMs encapsulated with nanofibrous structure
format: Article
creator:
  • Hu, Wen
  • Yu, Xun
subjects:
  • Vegetable Waxes -- Thermal Properties
  • Vegetable Waxes -- Analysis
  • Vegetable Waxes -- Mechanical Properties
  • Fibers -- Thermal Properties
  • Fibers -- Analysis
  • Fibers -- Mechanical Properties
  • Mechanical Engineering -- Thermal Properties
  • Mechanical Engineering -- Analysis
  • Mechanical Engineering -- Mechanical Properties
ispartof: Renewable Energy, Feb, 2014, Vol.62, p.454(5)
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.renene.2013.07.047 Byline: Wen Hu, Xun Yu Abstract: An environmentally friendly phase change material (PCM) was successfully prepared by encapsulating natural soy wax into polyurethane (PU) nanofibers using coaxial electrospinning technique. The morphology and the structure of the wax/PU composites were characterized. Thermal behaviors as well as mechanical properties of the composites were also investigated. The results indicated that coaxial electrospinning produced uniform fiber morphology with a core-shell structure and a homogeneous wax distribution throughout the core of the fibers. The soy wax was successfully encapsulated into PU fibers without being miscible with PU fibers. Thermal analysis results show that the enthalpy increases as the wax content increases. The fibrous structures exhibited balanced thermal storage and released properties for thermo-regulating function. The thermal properties were unaltered after 100 heating-cooling cycles, demonstrating that the composite fibers had good thermal stability and reliability. Tensile tests also indicate that the presence of wax enhanced the modulus and lowered the tensile strain. Author Affiliation: Department of Mechanical and Energy Engineering, University of North Texas, Denton, TX 76203, USA Article History: Received 15 June 2012; Accepted 27 July 2013
language: English
source: Cengage Learning, Inc.
identifier: ISSN: 0960-1481
fulltext: no_fulltext
issn:
  • 0960-1481
  • 09601481
url: Link


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identifierISSN: 0960-1481
subjectVegetable Waxes -- Thermal Properties ; Vegetable Waxes -- Analysis ; Vegetable Waxes -- Mechanical Properties ; Fibers -- Thermal Properties ; Fibers -- Analysis ; Fibers -- Mechanical Properties ; Mechanical Engineering -- Thermal Properties ; Mechanical Engineering -- Analysis ; Mechanical Engineering -- Mechanical Properties
descriptionTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.renene.2013.07.047 Byline: Wen Hu, Xun Yu Abstract: An environmentally friendly phase change material (PCM) was successfully prepared by encapsulating natural soy wax into polyurethane (PU) nanofibers using coaxial electrospinning technique. The morphology and the structure of the wax/PU composites were characterized. Thermal behaviors as well as mechanical properties of the composites were also investigated. The results indicated that coaxial electrospinning produced uniform fiber morphology with a core-shell structure and a homogeneous wax distribution throughout the core of the fibers. The soy wax was successfully encapsulated into PU fibers without being miscible with PU fibers. Thermal analysis results show that the enthalpy increases as the wax content increases. The fibrous structures exhibited balanced thermal storage and released properties for thermo-regulating function. The thermal properties were unaltered after 100 heating-cooling cycles, demonstrating that the composite fibers had good thermal stability and reliability. Tensile tests also indicate that the presence of wax enhanced the modulus and lowered the tensile strain. Author Affiliation: Department of Mechanical and Energy Engineering, University of North Texas, Denton, TX 76203, USA Article History: Received 15 June 2012; Accepted 27 July 2013
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abstractTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.renene.2013.07.047 Byline: Wen Hu, Xun Yu Abstract: An environmentally friendly phase change material (PCM) was successfully prepared by encapsulating natural soy wax into polyurethane (PU) nanofibers using coaxial electrospinning technique. The morphology and the structure of the wax/PU composites were characterized. Thermal behaviors as well as mechanical properties of the composites were also investigated. The results indicated that coaxial electrospinning produced uniform fiber morphology with a core-shell structure and a homogeneous wax distribution throughout the core of the fibers. The soy wax was successfully encapsulated into PU fibers without being miscible with PU fibers. Thermal analysis results show that the enthalpy increases as the wax content increases. The fibrous structures exhibited balanced thermal storage and released properties for thermo-regulating function. The thermal properties were unaltered after 100 heating-cooling cycles, demonstrating that the composite fibers had good thermal stability and reliability. Tensile tests also indicate that the presence of wax enhanced the modulus and lowered the tensile strain. Author Affiliation: Department of Mechanical and Energy Engineering, University of North Texas, Denton, TX 76203, USA Article History: Received 15 June 2012; Accepted 27 July 2013
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