细粒径SiO2基棕榈醇-棕榈酸-月桂酸微胶囊相变调湿材料的制备与性能*

张浩, 黄新杰, 宗志芳, 刘秀玉

Preparation and Properties of SiO2 Based Hexadecanol-Palmitic Acid-Lauric Acid Microencapsulated Phase Change and Humidity Controlling Materials with Fine Particle Size

ZHANG Hao, HUANG Xinjie, ZONG Zhifang, LIU Xiuyu

表3 样品2的平衡含湿量

Table3 Equilibrium moisture content of sample 2

Relativehumidity (%) Equilibrium moisture content (g/g) Descent rate (%) Without cycling After 500 cycling Adsorbing moisture process Desorption moisture process Adsorbing moisture process Desorption moisture process Adsorbing moisture process Desorption moisture process 32.78 0.0895 0.0993 0.0813 0.0898 9.16 9.57 43.16 0.1100 0.1225 0.1020 0.1182 7.27 3.51 52.89 0.1203 0.1345 0.1089 0.1251 9.48 6.99 64.92 0.1296 0.1424 0.1174 0.1316 9.41 7.58 75.29 0.1486 0.1586 0.1347 0.1474 9.35 7.06 84.34 0.1769 0.1830 0.1621 0.1697 8.37 7.27 97.30 0.2145 0.2150 0.1990 0.2035 7.23 5.35