以硬脂酸为相变储能材料,改性硅藻土为载体,无水乙醇为溶剂,采用溶液插层法制备了硬脂酸/改性硅藻土复合相变储能材料.利用综合热分析仪(TG-DSC)测定了复合材料的相变温度、相变潜热及复合材料的热稳定性,通过FT-IR对复合材料的兼容性进行了表征.结果表明,复合相变储能材料中硬脂酸的适宜含量为65%(质量分数),相变温度为61.6℃,相变潜热为142.87J/g,复合材料具有良好的热稳定性和兼容性.
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