Microencapsulation of n-hexadecane as a phase change material in polyurea

	Microencapsulation of n-hexadecane as a phase change material in polyurea
	Zou, GL; Lan, XZ; Tan, ZC; Sun, LX; Zhang, T
刊名	acta physico-chimica sinica
	2004
卷号	20 期号:1 页码:90-93
关键词	phase change material microcapsule interfacial polycondensation n-hexadecane thermal energy storage thermal analysis
产权排序	1;1
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.
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
收录类别	SCI
原文出处	true
语种	英语
WOS记录号	WOS:000188394000019
公开日期	2010-11-30
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/81949]
专题	大连化学物理研究所_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
推荐引用方式 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.