| 常压干燥制备酚醛树脂基炭气凝胶研究进展 |
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| 引用本文： | 贾献峰,陈伟,马成,王际童,乔文明,凌立成. 常压干燥制备酚醛树脂基炭气凝胶研究进展[J]. 化学通报, 2021, 84(3): 194-203 |
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| 作者姓名： | 贾献峰 陈伟 马成 王际童 乔文明 凌立成 |
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| 作者单位： | 华东理工大学化学工程联合国家重点实验室 上海200237;唐山师范学院化学系 唐山063000;唐山师范学院化学系 唐山063000;华东理工大学化学工程联合国家重点实验室 上海200237 |
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| 基金项目： | 国家自然科学基金项目(21978097,U1710252)、河北省高等学校科学技术研究项目(Z2020241)、唐山市科学技术研究与发展计划项目(18130230a)和唐山师范学院博士基金项目(2018A08)资助 |
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| 摘 要： | 以间苯二酚-甲醛为代表的酚醛树脂基炭气凝胶是一种轻质、多孔、非晶态的纳米炭材料,在催化、吸附、电化学和隔热等领域中有广阔的应用前景.但是复杂且高成本的超临界干燥工艺极大地限制了炭气凝胶的工业化制备及其应用,因此常压干燥工艺成为目前研究最为广泛的炭气凝胶制备技术之一.本文综述了酚醛树脂基炭气凝胶常压干燥制备过程的四种结构...
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| 关 键 词： | 炭气凝胶 溶胶-凝胶 孔结构 常压干燥 |
| 收稿时间： | 2020-09-10 |
| 修稿时间： | 2020-10-21 |
Research Progress in the Preparation of Phenolic Resin Based Carbon Aerogels via Ambient Pressure Drying |
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| Jia Xianfeng,Chen Wei,Ma Cheng,Wang Jitong,Qiao Wenming,Ling Licheng. Research Progress in the Preparation of Phenolic Resin Based Carbon Aerogels via Ambient Pressure Drying[J]. Chemistry, 2021, 84(3): 194-203 |
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| Authors: | Jia Xianfeng Chen Wei Ma Cheng Wang Jitong Qiao Wenming Ling Licheng |
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| Affiliation: | State Key Laboratory of Chemical Engineering,East China University of Science and Technology,Department of Chemistry,Tangshan Normal University,State Key Laboratory of Chemical Engineering,East China University of Science and Technology,State Key Laboratory of Chemical Engineering,East China University of Science and Technology,State Key Laboratory of Chemical Engineering,East China University of Science and Technology,State Key Laboratory of Chemical Engineering,East China University of Science and Technology |
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| Abstract: | Phenolic resin based carbon aerogels, typically represented by resorcinol-formaldehyde, are kinds of lightweight, porous and amorphous carbon nanomaterials with a broad application prospect in the field of catalysis, adsorption, electrochemistry and thermal insulation. However, the complex and high-cost supercritical drying process greatly restricts the industrial preparation and application of carbon aerogels, thus ambient pressure drying process has become one of the most widely studied technologies for preparing carbon aerogels. In this paper, four methods for the preparation of phenolic resin-based carbon aerogels by ambient pressure drying are reviewed, that is, regulation of sol-gel reaction, template method, fiber reinforcement method and additives method. The structural characteristics and the advantages and disadvantages of the preparation process are also summarized. Finally, the future development is prospected. |
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| Keywords: | Carbon aerogels, Sol-gel, Pore structures, Ambient pressure drying |
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