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材料工程  2015 

基于均匀设计优化制备癸酸-棕榈酸/SiO2复合相变材料

DOI: 10.11868/j.issn.1001-4381.2015.09.015, PP. 94-102

Keywords: 癸酸-棕榈酸,SiO2,复合相变材料,吸放湿性能,控温性能,优化制备

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Abstract:

以SiO2作为载体材料,癸酸-棕榈酸作为相变材料制备癸酸-棕榈酸/SiO2复合相变材料。基于均匀设计和多元非线性回归法研究了各因素对复合相变材料吸放湿性能和控温性能的影响。结果表明,各因素对性能影响的主次顺序为溶液pH值>无水乙醇与正硅酸乙酯的物质的量比>癸酸-棕榈酸与正硅酸乙酯的物质的量比>去离子水与正硅酸乙酯的物质的量比>超声波功率;优化制备方案溶液pH值为3.62,超声波功率为100W,去离子水与正硅酸乙酯的物质的量比为9.67,无水乙醇与正硅酸乙酯的物质的量比为5.21,癸酸-棕榈酸与正硅酸乙酯的物质的量比为0.52。

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