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Microencapsulation of n-hexadecane as a phase change material in polyurea
Zou, GL; Lan, XZ; Tan, ZC; Sun, LX; Zhang, T
关键词Phase Change Material Microcapsule Interfacial Polycondensation N-hexadecane Thermal Energy Storage Thermal Analysis
刊名ACTA PHYSICO-CHIMICA SINICA
2004
DOI10.3866/PKU.WHXB20040119
20期:1页:90-93
收录类别SCI
文章类型Article
项目归属1504,1501
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]THERMAL-ENERGY STORAGE ; SYSTEM
英文摘要For thermal energy storage application, polyurea microcapsules about 2.5 mum in diameter containing phase change material were prepared using interfacial polycondensation method. In the system droplets in microns are first formed by emulsifying an organic phase consisting of a core material ( n-hexadecane) and an oil-soluble reactive monomer, toluene-2, 4-diisocyanate (TDI), in an aqueous phase. By adding water-soluble reactive monomer, diamine, monomers TDI and diamine react with each other at the interface of micelles to become a shell. Ethylenediamine (EDA), 1, 6-hexane diamine (HDA) and their mixture were employed as water-soluble reactive monomers. The effects of diamine type on chemical structure and thermal properties of the microcapsules were investigated by FT-IR and thermal analysis respectively. The infrared spectra indicate that polyurea microcapsules have been successfully synthesized; all the TG thermographs show microcapsules containing n-hexadecane can sustain high temperature about 300 degreesC without broken and the DSC measurements display that all samples possess a moderate heat of phase transition; thermal cyclic tests show that the encapsulated paraffin kept its energy storage capacity even after 50 cycles of operation. The results obtained from experiments show that the encapsulated n-hexadecane possesses a good potential as a thermal energy storage material.
语种英语
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WOS记录号WOS:000188394000019
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被引频次:42[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/81949
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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GB/T 7714
Zou, GL,Lan, XZ,Tan, ZC,et al. Microencapsulation of n-hexadecane as a phase change material in polyurea[J]. ACTA PHYSICO-CHIMICA SINICA,2004,20(1):90-93.
APA Zou, GL,Lan, XZ,Tan, ZC,Sun, LX,&Zhang, T.(2004).Microencapsulation of n-hexadecane as a phase change material in polyurea.ACTA PHYSICO-CHIMICA SINICA,20(1),90-93.
MLA Zou, GL,et al."Microencapsulation of n-hexadecane as a phase change material in polyurea".ACTA PHYSICO-CHIMICA SINICA 20.1(2004):90-93.
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