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材料研究学报  2015, Vol. 29 Issue (11): 867-873    DOI: 10.11901/1005.3093.2015.278
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棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的制备*
张浩(),黄新杰,刘秀玉
安徽工业大学 建筑工程学院 马鞍山 243032
Preparation of Hexadecanol-Palmitic Acid-Lauric Acid/SiO2 Composite as Phase Change Material for Humidity Control
Hao ZHANG(),Xinjie HUANG,Xiuyu LIU
School of Civil Engineering and Architecture, Anhui University of Technology, Ma’anshan 243032, China
引用本文:

张浩,黄新杰,刘秀玉. 棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的制备*[J]. 材料研究学报, 2015, 29(11): 867-873.
Hao ZHANG, Xinjie HUANG, Xiuyu LIU. Preparation of Hexadecanol-Palmitic Acid-Lauric Acid/SiO2 Composite as Phase Change Material for Humidity Control[J]. Chinese Journal of Materials Research, 2015, 29(11): 867-873.

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摘要: 

以SiO2为载体、以棕榈醇-棕榈酸-月桂酸为相变材料制备了棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料, 用等温吸放湿法、步冷曲线法、红外光谱分析(FT-IR)、扫描电镜(SEM)、激光粒度分析(LPSA)、热重分析(TG)及差示扫描量热分析(DSC)等手段对其进行了表征。结果表明: SiO2对棕榈醇-棕榈酸-月桂酸有较好的包裹效果, 所形成的棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料不但具有较好的控温性能, 还具有良好的调湿性能。

关键词 复合材料棕榈醇-棕榈酸-月桂酸SiO2调湿性能控温性能    
Abstract

A hexadecanol-palmitic acid-lauric acid/SiO2 composite as phase change material for humidity control was prepared with SiO2 as carrier and hexadecanol-palmitic acid-lauric acid as phase change material. The performance, molecular structure and morphology of the prepared composite were characterized by using methods of isothermal sorption, cooling curve, FT-IR, SEM, LPSA, TG, DSC and so on. The results show that SiO2 was good coated with hexadecanol-palmitic acid-lauric acid; the prepared phase change material exhibits good performance both in temperature- and humidity-control.

Key wordscomposite    hexadecanol-palmitic acid-lauric acid    SiO2    humidity controlling performance    temperature controlling performance
收稿日期: 2015-05-07     
基金资助:* 国家自然科学基金资助项目51206002。
Relative humidity/% Molecular formula
32.78 MgCl2
43.16 K2CO3
52.89 Mg(NO3)2
64.92 CoCl2
75.29 NaCl
84.34 KCl
97.30 K2SO4
表1  饱和盐溶液的相对湿度(25℃)
图1  SiO2、棕榈醇-棕榈酸-月桂酸以及棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的FT-IR测试结果
图2  SiO2和棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的SEM像
图3  SiO2和棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的LPSA测试结果
图4  SiO2、棕榈醇-棕榈酸-月桂酸以及棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的TG测试结果
图5  棕榈醇-棕榈酸-月桂酸和棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的DSC测试结果
图6  SiO2和棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的调湿性能
图7  SiO2和棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的控温性能
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