Preparation and Characterization of Glauber's Salt Microcapsules for Thermal Energy Storage

被引：4

作者：

Wang, Tao ^{[1
,2
]}

Li, Hui ^{[1
]}

Lu, Qu-Liang ^{[1
]}

Wu, Nan ^{[2
]}

Jiang, Yong ^{[1
,2
]}

机构：

[1] Southeast Univ, Chengxian Coll, Nanjing 210088, Jiangsu, Peoples R China

[2] Southeast Univ, Sch Chem & Chem Engn, Chem Bldg,Room 228 O,533 Lab 2 Dongnandaxue Rd, Nanjing 211189, Jiangsu, Peoples R China

来源：

TENSIDE SURFACTANTS DETERGENTS | 2017年 / 54卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Phase change material; thermal energy storage; emulsion polymerization; PHASE-CHANGE MATERIALS; MICROENCAPSULATED N-OCTADECANE; HEAT-STORAGE; SHELLS; FABRICATION; PROPERTY; EMULSION; SOLVENT;

D O I：

10.3139/113.110477

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Microcapsules with modified polymethyl methacrylate (PMMA) as coating polymer and sodium sulfate decahydrate (Na2SO4 . 10H(2)O) as core materials were prepared using the emulsion polymerization and solvent evaporation methods. Chemical composition and microscopic structure of the synthesized PMMA-AA/Na2SO4 . 10H(2)O phase change materials (PCMs) microcapsules were confirmed by Fourier-transform infrared spectroscopy, polarizing optical microscopy (POM), scanning electron microscopy (SEM). The thermal properties were analyzed by differential scanning calorimetry (DSC) in detail. The results show that the microcapsules are uniform and approximately spherical with an average diameter of about 3.5 mu m. The melting point of the microcapsule is 31.5 degrees C and the fusion heat is 182.8 J/g. This demonstrated that the prepared PMMA-AA/Na2SO4 . 10H(2)O microcapsules could be promising candidates for the design of novel energy-saving materials with good thermal energy storage application.

引用

页码：32 / 37

页数：6

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