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以Si O2为载体、以棕榈醇-棕榈酸-月桂酸为相变材料制备了棕榈醇-棕榈酸-月桂酸/Si O2复合相变调湿材料,用等温吸放湿法、步冷曲线法、红外光谱分析(FT-IR)、扫描电镜(SEM)、激光粒度分析(LPSA)、热重分析(TG)及差示扫描量热分析(DSC)等手段对其进行了表征。结果表明:Si O2对棕榈醇-棕榈酸-月桂酸有较好的包裹效果,所形成的棕榈醇-棕榈酸-月桂酸/Si O2复合相变调湿材料不但具有较好的控温性能,还具有良好的调湿性能。
Using Si O2 as the carrier, a phase-change material was prepared by using palmithanol-palmitic acid-lauric acid as phase-change material. The phase change humidity-controlling materials were prepared by isothermal absorption and desorption, , Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), laser particle size analysis (LPSA), thermogravimetric analysis (TG) and differential scanning calorimetry (DSC) The results show that Si O2 has a good effect on the encapsulation of palmitol-palmitic acid-lauric acid, and the formed phase-changing humidity-controlling material of palmitic-palmitic acid-lauric acid / Si O2 not only has better temperature control properties, Also has good humidity control performance.