材料科学
珍珠岩
共晶体系
复合数
月桂酸
硬脂酸
热能储存
热稳定性
相变材料
潜热
复合材料
化学工程
多孔性
热的
微观结构
有机化学
脂肪酸
热力学
化学
物理
工程类
作者
Chunlei Jiao,Baohua Ji,Dong Fang
标识
DOI:10.1016/j.matlet.2011.09.099
摘要
The binary eutectic of lauric acid–stearic acid (LA-SA)/expanded perlite (EP) composite phase change materials (PCMs) were prepared by vacuum impregnation. The structure and properties of the composite PCMs were characterized by FT-IR, SEM and DSC analysis. The results show that the binary eutectic of fatty acids have been composed with the porous skeleton expanded perlite completely in a physical method, the melting temperature of the composite PCMs is about 33.0 °C and latent heat is 131.3 J/g, and they have good thermal stability. The composite PCMs present good potential applications for thermal energy storage and conservation in buildings mainly due to their high latent heat and a suitable melting temperature.
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