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材料研究学报  2015, Vol. 29 Issue (9): 671-678    DOI: 10.11901/1005.3093.2015.134
  本期目录 | 过刊浏览 |
优化制备棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料
张浩(),黄新杰,刘秀玉,唐刚
安徽工业大学建筑工程学院 马鞍山 243032
Optimization for Preparation of Phase Change and Humidity Control Composite Materials of Hexadecanol-Palmitic Acid-lauric Acid/SiO2
Hao ZHANG(),Xinjie HUANG,Xiuyu LIU,Gang TANG
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,唐刚. 优化制备棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料[J]. 材料研究学报, 2015, 29(9): 671-678.
Hao ZHANG, Xinjie HUANG, Xiuyu LIU, Gang TANG. Optimization for Preparation of Phase Change and Humidity Control Composite Materials of Hexadecanol-Palmitic Acid-lauric Acid/SiO2[J]. Chinese Journal of Materials Research, 2015, 29(9): 671-678.

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摘要: 

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113 W、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。
关键词 ： 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    
Abstract：

Phase change and humidity control composite materials of hexadecanol-palmitic acid-lauric acid/SiO2 were prepared with SiO2 as carrier material and hexadecanol-palmitic acid-lauric acid as phase change material. The effect of processing parameters on performance of humidity- and temperature-control of the composite materials was investigated by uniform design and multivariate nonlinear regression. The results show that their effect may be ranked as a sequence as follows: mole ratio of absolute alcohol to tetraethyl orthosilicate > solution pH value > mole ratio of hexadecanol-palmitic acid-lauric acid to tetraethyl orthosilicate > ultrasonic wave power > mole ratio of deionized water to tetraethyl orthosilicate. The optimal processing parameters are as follows: solution pH value 2.68, ultrasonic wave power 113 W, mole ratio of deionized water to tetraethyl orthosilicate 9.03, mole ratio of absolute alcohol to tetraethyl orthosilicate 5.22, mole ratio of decanoic-palmitic acid to tetraethyl orthosilicate 0.51.
Key words： inorganic non-metallic materials    hexadecanol-palmitic acid-lauric acid    SiO2    humidity controlling performance    temperature controlling performance    optimized preparation
收稿日期: 2015-03-17     
基金资助:* 国家自然科学基金资助项目51206002。
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张浩
黄新杰
刘秀玉
唐刚

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https://www.cjmr.org/CN/10.11901/1005.3093.2015.134      或      https://www.cjmr.org/CN/Y2015/V29/I9/671

Molecular formula Solubility /(g100 g-1) Relative humidity/%
MgCl2 54.25 32.78
K2CO3 112.00 43.16
Mg(NO3)2 125.00 52.89
CoCl2 45.00 64.92
NaCl 39.12 75.29
KCl 34.70 84.34
K2SO4 12.00 97.30
表1  饱和盐溶液的相对湿度
No. Factors
A B C D E
1# 2 200W 9 6 1
2# 3 400W 5 5 1
3# 4 100W 11 3 0.8
4# 5 300W 5 7 0.8
5# 6 500W 11 6 0.6
6# 2 100W 7 4 0.6
7# 3 300W 13 3 0.4
8# 4 500W 7 7 0.4
9# 5 200W 13 5 0.2
10# 6 400W 9 4 0.2
表2  棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的均匀设计
Relative humidity /% Equilibrium moisture content/(g/g)
1# 2# 3# 4# 5#
Absorption Desorption Absorption Desorption Absorption Desorption Absorption Desorption Absorption Desorption
32.78 0.0348 0.0381 0.0332 0.0372 0.0434 0.0497 0.0341 0.0371 0.0281 0.0299
43.16 0.0425 0.0467 0.0397 0.0448 0.0530 0.0606 0.0405 0.0442 0.0335 0.0359
52.89 0.0463 0.0516 0.0431 0.0491 0.0578 0.0663 0.0436 0.0477 0.0361 0.0390
64.92 0.0497 0.0541 0.0461 0.0513 0.0614 0.0688 0.0467 0.0504 0.0386 0.0412
75.29 0.0565 0.0600 0.0523 0.0571 0.0704 0.0768 0.0528 0.056 0.0434 0.0454
84.34 0.0669 0.0688 0.0610 0.0652 0.0840 0.0883 0.0620 0.0644 0.0507 0.0520
97.30 0.0806 0.0804 0.0746 0.0748 0.1027 0.1029 0.0744 0.0747 0.0603 0.0606
Relative humidity /% Equilibrium moisture content/(g/g)
6# 7# 8# 9# 10#
Absorption Desorption Absorption Desorption Absorption Desorption Absorption Desorption Absorption Desorption
32.78 0.0545 0.0614 0.0931 0.1045 0.0816 0.0912 0.0827 0.0930 0.0471 0.0532
43.16 0.0695 0.0786 0.1151 0.1297 0.1012 0.1136 0.1019 0.1144 0.0576 0.0653
52.89 0.0772 0.0873 0.1260 0.1428 0.1110 0.1255 0.1114 0.1252 0.0628 0.0715
64.92 0.0838 0.93 0.1364 0.1517 0.1202 0.1329 0.1204 0.1332 0.0678 0.0757
75.29 0.0973 0.1045 0.1570 0.1694 0.1390 0.1493 0.1388 0.1491 0.0778 0.0840
84.34 0.1171 0.1211 0.1881 0.1952 0.1668 0.1737 0.1666 0.1734 0.0927 0.0965
97.30 0.1438 0.1436 0.2293 0.2308 0.2045 0.2056 0.2034 0.2048 0.1125 0.1129
表3  棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的平衡含湿量
图1  棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的步冷曲线图
No. Humidity controlling performance Temperature controlling performance Goal value
Absorption/(g/g) Desorption/(g/g) Average value/(g/g) Y1 Cooling time/s Y2 Y
1# 0.0806 0.0804 0.0805 0.3499 1740 0.9305 1.2804
2# 0.0746 0.0748 0.0747 0.3247 1870 1.0000 1.3247
3# 0.1027 0.1029 0.1028 0.4469 1330 0.7112 1.1581
4# 0.0744 0.0747 0.0746 0.3241 1565 0.8369 1.1610
5# 0.0603 0.0606 0.0605 0.2628 1310 0.7005 0.9633
6# 0.1438 0.1436 0.1437 0.6246 1575 0.8422 1.4669
7# 0.2293 0.2308 0.2301 1.0000 735 0.3930 1.3930
8# 0.2045 0.2056 0.2051 0.8913 760 0.4064 1.2977
9# 0.2034 0.2048 0.2041 0.8872 705 0.3770 1.2642
10# 0.1125 0.1129 0.1127 0.4899 865 0.4626 0.9525
表4  目标值Y
Items Beta Bt R
Constant -0.3243 0.0000 0.9982
A 0.2411 2.1464
B 0.0013 1.1885
C -0.0001 0.3594
D 0.4488 3.9954
E 1.0866 1.9344
A2 -0.0450 3.2405
B2 0.0000 1.2807
C2 0.0000 0.0000
D2 -0.0430 3.8526
E2 -1.0912 2.3761
表5  Y的相关系数
图2  优化制备棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的平衡含湿量图
图3  优化制备棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的步冷曲线图
图4  SiO2、棕榈醇-棕榈酸-月桂酸、棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的红外光谱图
图5  SiO2、棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的SEM像
图6  棕榈醇-棕榈酸-月桂酸、棕榈醇-棕榈酸-月桂酸/SiO2复合相变调湿材料的DSC曲线
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