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Synthesis and characterization of composite phase change material (CPCM) with SiO2 and diatomite as endothermal-hygroscopic material

机译：用SiO2和硅藻土的复合相变材料（CPCM）的合成与表征作为吸热 - 吸湿材料

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This paper prepared a kind of CPCM/diatomite composite as hygroscopic phase change material. The SiO2 of the CPCM was prepared with tetraethyl orthosilicate with sol-gel method, and a kind of alkane mixture was used as phase change material (PCM). The diatomite was used as hygroscopic material. We used scanning electronic microscope (SEM) to determine the microstructure of the composites. The heat absorbing/solidifying properties and thermal stability of the composites were measured with the differential scanning calorimeter (DSC) and thermo-gravimetric analyzer (TGA). The hygroscopic properties were also investigated. The measurement results indicated that the composites had good thermal control and hygroscopic properties.
机译：本文制备了一种CPCM /硅藻土复合材料作为吸湿相变材料。 CPCM的SiO 2用溶胶 - 凝胶法制备四乙基硅酸盐制备，用一种烷烃混合物作为相变材料（PCM）。硅藻土用作吸湿材料。我们使用扫描电子显微镜（SEM）来确定复合材料的微观结构。用差示扫描量热计（DSC）和热重分析仪（TGA）测量复合材料的热吸收/凝固性能和热稳定性。还研究了吸湿性。测量结果表明复合材料具有良好的热控制和吸湿性。

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