介孔二氧化硅基导电聚合物复合材料热导率的实验研究

黄丛亮; 冯妍卉; 张欣欣; 李威; 杨穆; 李静; 王戈

doi:10.7498/aps.61.154402

摘要

本文首先制备并表征了介孔二氧化硅SBA-15、填充导电聚合物的复合材料PANI/SBA-15和复合材料PPy/SBA-15, 并建立双流计实验台开展了材料压片情况下的热导率研究. 在测量得到复合材料热导率的基础上, 引入当量孔径, 结合测量孔径对 PANI/SBA-15和PPy/SBA-15复合材料热导率随填充量的变化进行了定性分析. 分析表明: PANI/SBA-15和PPy/SBA-15复合材料的热导率比基材SBA-15的热导率大得多; 在相同的测量孔径和当量孔径情况下, PANI/SBA-15复合材料的热导率比PPy/SBA-15复合材料的热导率大; 导电聚合物填充到复合材料孔道内和孔道外都有助于热导率的提高, 填充到孔道内比填充到孔道外对热导率提高的贡献更大.

关键词:

Abstract

Conductive polymers polyaniline (PANI) and polypyrrole (PPy) loaded mesoporous silica (SBA-15) composites are prepared and characterized. The one-dimensional reference bar method and the relevant devices to measure the thermal conductivity are introduced and established. The equivalent pore diameter is proposed to characterize the mesostructures of conductive polymers polyaniline (PANI) and polypyrrole (PPy) in PANI/SBA-15 and PPy/SBA-15 composites. The effects of the equivalent and the measurement pore diameters on thermal conductivities of PANI/SBA-15 and PPy/SBA-15 composites are analyzed. The result shows that thermal conductivities of PANI/SBA-15 and PPy/SBA-15 are higher than that of the substrate SBA-15; the thermal conductivity of PANI/SBA-15 is higher than that of PPy/SBA-15; loading of PANI and PPy in pores of PANI/SBA-15 and PPy/SBA-15 composites is more effective than loading outside of pores for improving the thermal conductivities of PANI/SBA-15 and PPy/SBA-15 composites.

Keywords:

作者及机构信息

1.
北京科技大学机械工程学院, 北京 100083;

2.
北京科技大学材料学院, 北京 100083

基金项目: 国家自然科学基金重点项目(批准号: 50836001)和霍英东教育基金资助的课题.

Authors and contacts

1.
School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;

2.
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Funds: Project supported by the National Natural Science Foundation of China (No. 50836001), and the Fok Ying Tong Education Foundation.

参考文献

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施引文献

[1]	Shirakawa H, Louis E L, MacDiarmid A G 1977 J. Chem. Soc. Chem. Comm. 16 578
[2]	Liu H, Hu X, Wang J, Boughton R 2002 Macromolecule 35 9414
[3]	Park J, Park S, Koukitu A, Hatozaki O, Oyama N 2004 Synth. Met. 141 265
[4]	Cardin D J 2002 Adv. Mater. 14 553
[5]	Ma L, Tang Q 2002 J. Chongqing Univ. 25 124 (in Chinese) [马利, 汤琪 2002 重庆大学学报 25 124]
[6]	Liu D D, Nin P, Xia L 2004 Synthetic Materials Aging and Application 33 43 (in Chinese) [刘丹丹, 宁平, 夏林 2004 合成材料老化与应用 33 43]
[7]	Li Y F, Qian R Y 1993 J. Elec. Chem. 362 267
[8]	Li Y F, Qian R Y 1989 Synth. Met. 28 127
[9]	Li Y F, Qian R Y 1994 Synth. Met. 64 241
[10]	Li Y F, Ouyang J Y 2000 Synth. Met. 113 23
[11]	Li Y F, Ouyang J Y 1997 Polymer 38 3997
[12]	Li Y F, Deng B H, He G F, Wang R Q, Yang C H 2001 J. Appl. Polym. Sci. 79 350
[13]	Li S, Qiu Y B, Guo X P 2010 Acta Phys. Chim. Sin. 26 601 (in Chinese) [李胜, 邱于兵, 郭兴蓬 2010 物理化学学报 26 601]
[14]	Guo R R, Li G T, Zhang W X, Shen G Q, Shen D Z 2005 Chem. Phys. Chem. 6 2025
[15]	Li G T, Bhosale S, Wang T Y, Zhang Y, Zhu H S, Fuhrhop K H 2003 Angew. Chem. Int. Ed. 42 3818
[16]	Wu C G, Bein T 1994 Science 264 1757
[17]	Cho M S, Choi H J, Ahn W S 2004 Langmuir 20 202
[18]	Li N, Li X T, Qiu S L 2004 J. Appl. Polym. Sci. 93 1597
[19]	Takei T, Yoshimura K, Yonesaki Y, Kumada N, Kinomura N 2005 J. Porous Mater. 12 337
[20]	Coutinho D, Yang Z, Ferraris J P, Balkus K J J 2005 Micropor. Mesopor. Mat. 8l 321
[21]	Yu G H, Wang S L, Bai N 2006 New Chem. Mater. 34 42 (in Chinese) [盂桂花、王水利、白妮 2006 化工新型材料34 42]
[22]	Coquil T, Fang J, Pilon L 2011 Int. J. Heat Mass Tran. 54 4540
[23]	Huang C L, Feng Y H, Zhang X X, Wang G, Li J 2011 Acta Phys. Sin. 60 114401 (in Chinese) [黄丛亮, 冯妍卉, 张欣欣, 王戈, 李静 2011 60 114401]
[24]	Zhao D Y, Feng J L, Huo Q S, Melosh N, Fredrickson G H, Chmelka B F, Stucky G D 1998 Science 279 548
[25]	Wang Y, Noguchi M, Takahashi Y, Ohtsuka Y 2001 Catal. Today 68 3
[26]	Weng S H, Lin Z H, Zhang Y, Chen L X, Zhou J Z 2009 Reac. Func. Polym. 69 130
[27]	Wang G, Huang X B, Yang M, Zhang X X, Feng Y H, Huang C L 2010 Ninth Asian Thermophysical Properties Conference, Beijing, 2010. 10. 19-22, Invited keynote lecture
[28]	Sheng J J, Shan C X, Fan H G, Zhu Z P 2006 J. Xihua Uni. 26 45 (in Chinese) [盛建军, 单春贤, 樊红岗, 朱志萍 2006 西华大学学报(自然科学版) 26 45]
[29]	Kubicar L 1990 Comprehensive Analytical Chemistry, Vol. XII, Thermal Analysis, Part E, (Ed. Svehla G, Amsterdam, Oxford, New York, Tokyo: Elsevier) p350
[30]	Cahill D G, Pohl R O 1987 Phys. Rev. B 35 4067
[31]	Cahill D G 1990 Rev. Sci. Instrum. 61 802
[32]	Khandelwal M, Mench M M 2006 J. Power Sources 161 1106
[33]	Yeh C L, Wen C Y, Chen Y F, Yeh S H, Wu C H 2001 Exp. Therm. Fluid Sci. 25 349
[34]	Xu R P, Xu L 2005 Cryogenics 45 694
[35]	Eucken A 1940 Forsh. Ing. Wes - Eng. Res. 11 6
[36]	Liu J, He L, Zhang L M 2003 J. Huazhong Univ. of Sci. & Tech. (Nature Science Edition) 31 73 (in Chinese) [刘军, 何莉, 张联盟 2003 华中科技大学学报(自然科学版) 31 73]
[37]	Chen X B 1993 Mater. Sci. & Eng. 11 53 (in Chinese) [陈祥宝 1993 材料科学与工程 11 53]

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