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Water insensitive and solvent-free synthesis of biodegradable solid-solid phase change materials based on poly (ethylene glycol) for thermal energy storage

Byline: Yuanyang Zhao, Zhimeng Liu, Yi Wang, Qinfeng Liu, Jingxin Lei, Changlin Zhou Keywords: biodegradable; phase change materials; solvent-free; thermal energy storage; water insensitive Abstract Usually, polyethylene glycol (PEG)-based biodegradable solid-solid phase change materials (BSSPCMs) a... Full description

Journal Title: Advances in Polymer Technology 2018, Vol.37(8), p.3818(13)
Main Author: Zhao, Yuanyang
Other Authors: Liu, Zhimeng , Wang, Yi , Liu, Qinfeng , Lei, Jingxin , Zhou, Changlin
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0730-6679 ; DOI: 10.1002/adv.22165
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recordid: gale_ofa571660472
title: Water insensitive and solvent-free synthesis of biodegradable solid-solid phase change materials based on poly (ethylene glycol) for thermal energy storage
format: Article
creator:
  • Zhao, Yuanyang
  • Liu, Zhimeng
  • Wang, Yi
  • Liu, Qinfeng
  • Lei, Jingxin
  • Zhou, Changlin
subjects:
  • Heat Storage – Analysis
  • Biodegradation – Analysis
  • Energy (Physics) – Analysis
  • Isocyanates – Product Development
  • Isocyanates – Analysis
  • Ethylene Glycols – Product Development
  • Ethylene Glycols – Analysis
ispartof: Advances in Polymer Technology, 2018, Vol.37(8), p.3818(13)
description: Byline: Yuanyang Zhao, Zhimeng Liu, Yi Wang, Qinfeng Liu, Jingxin Lei, Changlin Zhou Keywords: biodegradable; phase change materials; solvent-free; thermal energy storage; water insensitive Abstract Usually, polyethylene glycol (PEG)-based biodegradable solid-solid phase change materials (BSSPCMs) are synthesized with isocyanate and PEG, removing water is necessary due to the sensitivity to water of isocyanate groups. In this study, a water insensitive synthetic scheme based on carboxyl and aziridinyl was employed to prepare PEG-based BSSPCMs via solvent-free bulk polymerization: First, a carboxyl modified polyethylene glycol was synthesized through esterification reaction of citric acid and PEG with the molar ratio 2:1. Then, the BSSPCMs were prepared based on an self-curing and organic solvent-free process, using trimethylolpropane tris(1-aziridine propionate) as the cross-linking agent. The chemical structure, crystalline properties, phase change properties, thermal stability, and reliability were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, polarizing optical microscopy, differential scanning calorimetry, thermogravimetric analysis, and accelerated thermal cycling testing, respectively. Solid-solid phase change behavior was testified by the leakage test. The biodegradation experiment was conducted to prove the biodegradability of solid-solid PCMs. The results indicated that BSSPCMs had a similar crystalline structure to PEG, and the crystal size was smaller than PEG. The phase change temperature of BSSPCMs was in the range of 25-65[degrees]C, and the latent heat of phase change materials (PCMs) was about 103-108 J/g. Moreover, the extent of supercooling of BSSPCMs was reduced. Thermogravimetric analysis and accelerated thermal cycling test results confirmed the considerable thermal stability and reliability of BSSPCMs. The prepared PCMs also exhibited a good biodegradability in the natural environment.
language: eng
source:
identifier: ISSN: 0730-6679 ; DOI: 10.1002/adv.22165
fulltext: fulltext
issn:
  • 0730-6679
  • 07306679
url: Link


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titleWater insensitive and solvent-free synthesis of biodegradable solid-solid phase change materials based on poly (ethylene glycol) for thermal energy storage
creatorZhao, Yuanyang ; Liu, Zhimeng ; Wang, Yi ; Liu, Qinfeng ; Lei, Jingxin ; Zhou, Changlin
ispartofAdvances in Polymer Technology, 2018, Vol.37(8), p.3818(13)
identifierISSN: 0730-6679 ; DOI: 10.1002/adv.22165
subjectHeat Storage – Analysis ; Biodegradation – Analysis ; Energy (Physics) – Analysis ; Isocyanates – Product Development ; Isocyanates – Analysis ; Ethylene Glycols – Product Development ; Ethylene Glycols – Analysis
descriptionByline: Yuanyang Zhao, Zhimeng Liu, Yi Wang, Qinfeng Liu, Jingxin Lei, Changlin Zhou Keywords: biodegradable; phase change materials; solvent-free; thermal energy storage; water insensitive Abstract Usually, polyethylene glycol (PEG)-based biodegradable solid-solid phase change materials (BSSPCMs) are synthesized with isocyanate and PEG, removing water is necessary due to the sensitivity to water of isocyanate groups. In this study, a water insensitive synthetic scheme based on carboxyl and aziridinyl was employed to prepare PEG-based BSSPCMs via solvent-free bulk polymerization: First, a carboxyl modified polyethylene glycol was synthesized through esterification reaction of citric acid and PEG with the molar ratio 2:1. Then, the BSSPCMs were prepared based on an self-curing and organic solvent-free process, using trimethylolpropane tris(1-aziridine propionate) as the cross-linking agent. The chemical structure, crystalline properties, phase change properties, thermal stability, and reliability were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, polarizing optical microscopy, differential scanning calorimetry, thermogravimetric analysis, and accelerated thermal cycling testing, respectively. Solid-solid phase change behavior was testified by the leakage test. The biodegradation experiment was conducted to prove the biodegradability of solid-solid PCMs. The results indicated that BSSPCMs had a similar crystalline structure to PEG, and the crystal size was smaller than PEG. The phase change temperature of BSSPCMs was in the range of 25-65[degrees]C, and the latent heat of phase change materials (PCMs) was about 103-108 J/g. Moreover, the extent of supercooling of BSSPCMs was reduced. Thermogravimetric analysis and accelerated thermal cycling test results confirmed the considerable thermal stability and reliability of BSSPCMs. The prepared PCMs also exhibited a good biodegradability in the natural environment.
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titleWater insensitive and solvent-free synthesis of biodegradable solid-solid phase change materials based on poly (ethylene glycol) for thermal energy storage.
descriptionByline: Yuanyang Zhao, Zhimeng Liu, Yi Wang, Qinfeng Liu, Jingxin Lei, Changlin Zhou Keywords: biodegradable; phase change materials; solvent-free; thermal energy storage; water insensitive Abstract Usually, polyethylene glycol (PEG)-based biodegradable solid-solid phase change materials (BSSPCMs) are synthesized with isocyanate and PEG, removing water is necessary due to the sensitivity to water of isocyanate groups. In this study, a water insensitive synthetic scheme based on carboxyl and aziridinyl was employed to prepare PEG-based BSSPCMs via solvent-free bulk polymerization: First, a carboxyl modified polyethylene glycol was synthesized through esterification reaction of citric acid and PEG with the molar ratio 2:1. Then, the BSSPCMs were prepared based on an self-curing and organic solvent-free process, using trimethylolpropane tris(1-aziridine propionate) as the cross-linking agent. The chemical structure, crystalline properties, phase change properties, thermal stability, and reliability were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, polarizing optical microscopy, differential scanning calorimetry, thermogravimetric analysis, and accelerated thermal cycling testing, respectively. Solid-solid phase change behavior was testified by the leakage test. The biodegradation experiment was conducted to prove the biodegradability of solid-solid PCMs. The results indicated that BSSPCMs had a similar crystalline structure to PEG, and the crystal size was smaller than PEG. The phase change temperature of BSSPCMs was in the range of 25-65[degrees]C, and the latent heat of phase change materials (PCMs) was about 103-108 J/g. Moreover, the extent of supercooling of BSSPCMs was reduced. Thermogravimetric analysis and accelerated thermal cycling test results confirmed the considerable thermal stability and reliability of BSSPCMs. The prepared PCMs also exhibited a good biodegradability in the natural environment.
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abstractByline: Yuanyang Zhao, Zhimeng Liu, Yi Wang, Qinfeng Liu, Jingxin Lei, Changlin Zhou Keywords: biodegradable; phase change materials; solvent-free; thermal energy storage; water insensitive Abstract Usually, polyethylene glycol (PEG)-based biodegradable solid-solid phase change materials (BSSPCMs) are synthesized with isocyanate and PEG, removing water is necessary due to the sensitivity to water of isocyanate groups. In this study, a water insensitive synthetic scheme based on carboxyl and aziridinyl was employed to prepare PEG-based BSSPCMs via solvent-free bulk polymerization: First, a carboxyl modified polyethylene glycol was synthesized through esterification reaction of citric acid and PEG with the molar ratio 2:1. Then, the BSSPCMs were prepared based on an self-curing and organic solvent-free process, using trimethylolpropane tris(1-aziridine propionate) as the cross-linking agent. The chemical structure, crystalline properties, phase change properties, thermal stability, and reliability were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, polarizing optical microscopy, differential scanning calorimetry, thermogravimetric analysis, and accelerated thermal cycling testing, respectively. Solid-solid phase change behavior was testified by the leakage test. The biodegradation experiment was conducted to prove the biodegradability of solid-solid PCMs. The results indicated that BSSPCMs had a similar crystalline structure to PEG, and the crystal size was smaller than PEG. The phase change temperature of BSSPCMs was in the range of 25-65[degrees]C, and the latent heat of phase change materials (PCMs) was about 103-108 J/g. Moreover, the extent of supercooling of BSSPCMs was reduced. Thermogravimetric analysis and accelerated thermal cycling test results confirmed the considerable thermal stability and reliability of BSSPCMs. The prepared PCMs also exhibited a good biodegradability in the natural environment.
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