采用熔融插层技术,以二甲基亚砜(DMSO)改性的煤系高岭土为前驱体,将月桂酸(LA)和月桂醇(LAL)作为相变材料插入高岭土(Kaolin)层间,制备二元有机/煤系高岭土复合相变储能材料.采用XRD、FTIR、DSC等现代测试技术对复合材料的热性能与内层结构进行了研究.结果表明LA-LAL/kaolin复合物相变温度为25.1℃,相变焓为45.24J/g；复合相变材料是煤系高岭土和月桂酸/月桂醇二元体系的物理共混物,没有新的键合生成；热稳定性实验表明,煤系高岭土对月桂酸/月桂醇二元低共熔相变材料具有良好的定形效果.
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