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优化制备棕榈醇-棕榈酸-月桂酸/sio2复合相变调湿材料

Keywords: 无机非金属材料,棕榈醇-棕榈酸-月桂酸,sio2,调湿性能,控温性能,优化制备

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Abstract:

?以sio2为载体材料、以棕榈醇-棕榈酸-月桂酸为相变材料制备棕榈醇-棕榈酸-月桂酸/sio2复合相变调湿材料,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调湿材料调湿性能和控温性能的影响。结果表明,各因素对性能影响大小的排序为:无水乙醇与正硅酸乙酯的物质的量比、溶液ph值、棕榈醇-棕榈酸-月桂酸与正硅酸乙酯的物质的量比、超声波功率、去离子水与正硅酸乙酯的物质的量比;优化制备方案为:溶液的ph值为2.68、超声波功率为113w、去离子水与正硅酸乙酯的物质的量比为9.03、无水乙醇与正硅酸乙酯的物质的量比为5.22、棕榈醇-棕榈酸-月桂酸与正硅酸乙酯的物质的量比为0.51。

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