《化学科学与工程前沿（英文）》
>> 2021年
第15卷
第5期
doi:
10.1007/s11705-020-2021-z
RESEARCH ARTICLE
Hydrophobic nanocellulose aerogels with high loading of metal-organic framework particles as floating and reusable oil absorbents
. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.. College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
收稿日期：
2021-01-13
录用日期：
2021-03-10
发布日期：
2021-03-10
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摘要
In this paper, we employed a facile approach to prepare flexible and porous metal-organic frameworks (MOFs) containing cellulose nanofiber (CNF) aerogels (MNCAs) through freeze-drying MOF-containing cellulose nanofiber suspensions. After coating with methyltrimethoxysilane (MTMS) by chemical vapor deposition, recycled and hydrophobic MTMS-coated MNCAs (MMNCAs) were obtained. Due to the low density (0.009 g/cm ), high porosity (97%) and good mechanical properties of the aerogel, the adsorption capacity of MMNCAs reached up to 210 g/g, which was nearly 3‒5 times that of pure CNF aerogels. These prepared aerogels showed excellent oil/water selectivity and high capacity to adsorb oil and organic solvents. This kind of cellulose-based aerogel may be applicable in the field of environmental protection.
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