疏水和氨基功能化氧化硅气凝胶制备与CO2吸附性能任务书

 2022-01-25 21:41:17

全文总字数:6163字

1. 毕业设计(论文)的内容和要求

本论文旨在制备出疏水和氨基功能化氧化硅气凝胶,并考察其CO2吸附性能。

研究成功制备的疏水型氨基杂化氧化硅气凝胶在气体吸附等方面的应用。

采用一步溶胶-凝胶法制备疏水和氨基功能化氧化硅气凝胶,突破多前驱体协同凝胶关键技术,解决疏水和氨基功能化氧化硅气凝胶组织结构调控方法的科学问题,制备出具有良好CO2吸附性能的疏水和氨基功能化氧化硅气凝胶。

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2. 实验内容和要求

(1)学习并掌握基本实验仪器(分析天平、烘箱、搅拌器、恒温水槽、超临界干燥等)的操作方法。

(2)掌握气凝胶结构性能测试技术:熟悉利用FTIR、TG-DTA、XPS、SEM、氮气吸附、自建装置等对样品进行结构和性能测试。

(3)考察前驱体组成和合成工艺参数对疏水和氨基功能化氧化硅气凝胶组织结构的影响,系统表征和分析疏水和氨基功能化氧化硅气凝胶组成、孔结构、微观形貌、化学结构等。

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3. 参考文献

根据毕业要求指点2.3,针对复杂工程问题,具有调查研究、检索与阅读中外文献资料的能力,并能在此基础上进行归纳总结和分析论证,提出解决方案。毕业论文期间要进行研究现状调查与总结,要求在开题报告及毕业论文中查阅的中英文文献不少于30篇,其中近5年不少于10篇,英文文献不少于15篇。以下是与本课题相关的部分文献列表:1) Xing Jiang, Yong Kong, Zhiyang Zhao, Xiaodong Shen. Spherical amine grafted silica aerogels for CO2 capture. RSC Advances, 2020, 10(43): 25911-259172) Jiayue Zhang, Yong Kong*, Xing Jiang, Ya Zhong, Ying Chen, Xiaodong Shen. Synthesis of hydrophobic silica aerogel and its composite using functional precursor. Journal of Porous Materials, 2020, 27(1), 295-301.3) Jiayue Zhang, Yong Kong*, Xiaodong Shen. CO2 adsorption performances of amine hybrid silica aerogels synthesized via in-situ polymerization of hybrid precursors. International Journal of Global Warming, 2019, 19(3): 324-332. 4) 孔勇*,张嘉月,沈晓冬. 气凝胶用于室内空气污染物去除研究进展. 功能材料,2019,50(5):5054-5063.5) Yong Kong*, Jiayue Zhang, Xiaodong Shen. One-pot solgel synthesis of amine hybrid titania/silsesquioxane composite aerogel for CO2 capture. Journal of Sol-Gel Science and Technology, 2017, 84(3): 422-4316) Yong Kong, Xiaodong Shen, Sheng Cui, et al. Supercritical drying: A promising technique on synthesis of sorbent for CO2 capture. International Journal of Global Warming, 2017, 12(2): 228-2417) Yong Kong, Xiaodong Shen, Maohong Fan, Meng Yang, Sheng Cui. Dynamic capture of low-concentration CO2 on amine hybrid silsesquioxane aerogel. Chemical Engineering Journal, 2016, 283: 1059-1068. 8) Yong Kong*, Guodong Jiang, Ye Wu, et al. Amine hybrid aerogel for high-efficiency CO2 capture: Effect of amine loading and CO2 concentration. Chemical Engineering Journal, 2016, 306: 362-368. 9) Yong Kong*, Xiaodong Shen, et al. Amine hybrid zirconia/silica composite aerogel for low-concentration CO2 capture. Microporous and Mesoporous Materials, 2016, 236: 269-276. 10) 孔勇,沈晓冬,崔升.气凝胶纳米材料.中国材料进展,2016,35(8):1-811) Yong Kong, Xiaodong Shen, Sheng Cui, Maohong Fan. Facile synthesis of amine hybrid aerogel with high adsorption efficiency and regenerability for air capture via solvothermal-assisted sol-gel process and supercritical drying. Green Chemistry, 2015, 17: 3436-3445. 12) Yong Kong, Xiaodong Shen, Sheng Cui, Maohong Fan. Development of monolithic adsorbent via polymeric sol-gel process for low-concentration CO2 capture. Applied Energy, 2015, 147: 308-317.13) Yong Kong, Guodong Jiang, Maohong Fan, et al. A new aerogel based CO2 adsorbent developed using a simple solgel method along with supercritical drying. Chemical Communications, 2014, 50(81): 12158-12161. 14) Yong Kong, Maohong Fan, Xiaodong Shen, et al. Use of one-pot wet gel or precursor preparation and supercritical drying procedure for development of a high-performance CO2 sorbent. RSC Advances, 2014, 4(82): 43448-43453. 15) Yong Kong, Xiaodong Shen, Sheng Cui, et al. Use of monolithic silicon carbide aerogel as a reusable support for development of regenerable CO2 adsorbent. RSC Advances, 2014, 4(109):64193-64199.16) K. Kanamori, M. Aizawa, K. Nakanishi, T. Hanada, Adv. Mater. 19, 12 (2007).17) K. Kanamori, Y. Kodera, G. Hayase, K. Nakanishi, T. Hanada, J. Colloid Interface Sci. 357, 2 (2011).18) G. Hayase, K. Kugimiya, M. Ogawa, Y. Kodera, K. Kanamori, K. Nakanishi, J. Mater. Chem. A, 2, 18 (2014).19) A.V. Rao, S.D. Bhagat, H. Hirashima, G.M. Pajonk, J. Colloid Interface Sci. 300, 1 (2006).20) D.Y. Nadargi, S.S. Latthe, H. Hirashima, A.V. Rao, Microporous Mesoporous Mater. 117, 3 (2009).21) B. Xu, J.Y. Cai, N. Finn, Z. Cai, Microporous Mesoporous Mater. 148, 1 (2012).22) S. He, X. Chen, J. Non-Cryst. Solids 463, Supplement C (2017).23) Parvathy Rao A, Venkateswara Rao A, Pajonk G M. Hydrophobic and physical properties of the ambient pressure dried silica aerogels with sodium silicate precursor using various surface modification agents[J]. Applied Surface Science, 2007, 253(14):6032-6040.24) Nazeran N, Moghaddas J. Synthesis and characterization of silica aerogel reinforced rigid polyurethane foam for thermal insulation application[J]. Journal of Non-Crystalline Solids, 2017, 461:1-11.25) Li X, He H, Ren L. Fabrication and characterization of the monolithic hydrophobic alumina aerogels[J]. Journal of Porous Materials, 2017, 24(3):679-683.26) Maghsoudi K, Motahari S. Mechanical, thermal, and hydrophobic properties of silica aerogelepoxy composites[J]. Journal of Applied Polymer Science, 2017, 135:45706. 27) 祖国庆, 沈军, 倪星元, 等. 常压干燥制备高弹性气凝胶[J]. 功能材料, 2011, 42(01):151-154.28) Nadargi D Y, Latthe S S, Hirashima H, et al. Studies on rheological properties of methyltriethoxysilane (MTES) based flexible superhydrophobic silica aerogels[J]. Microporous 2021.1.10前指导老师在系统完成选题申报,学生选题。

2021.1.10~2021.1.15指导教师完成任务书下达。

2021.3.14前文献检索阅读,英文文献翻译,撰写开题报告;完成文献翻译、开题答辩。

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