用于吸油的还原氧化石墨烯/三甲基氯硅烷包覆纤维素纳米纤维气凝胶的简便合成
Facile synthesis of reduced graphene oxide/trimethyl chlorosilane-coated cellulose nanofibres aerogel for oil absorption.
作者信息
Xu Zhaoyang, Zhou Huan, Jiang Xiangdong, Li Jianyu, Huang Fang
机构信息
College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China.
College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, People's Republic of China.
出版信息
IET Nanobiotechnol. 2017 Dec;11(8):929-934. doi: 10.1049/iet-nbt.2017.0063.
Abstract
A hydrophobic and oleophilic trimethyl chlorosilane/reduced graphene oxide-coated cellulose nanofibres (TMCS/rGO/CNFs) aerogel with a three-dimensional structure was fabricated through a facile dip-coating process. The prepared aerogel exhibited several advantageous properties for absorption and expulsion of oils from water surfaces, such as a high specific surface area, low density (6.78 mg/cm) and good porosity (99.12％). In addition, the TMCS/rGO/CNFs aerogel demonstrated good absorption capacities up to 39 times its own weight over a short time (1.5 min) for a broad range of oils. This research suggests that practical application of TMCS/rGO/CNFs aerogel in the cleanup of an oil spill is feasible.
摘要
通过简便的浸涂工艺制备了一种具有三维结构的疏水亲油三甲基氯硅烷/还原氧化石墨烯包覆纤维素纳米纤维（TMCS/rGO/CNFs）气凝胶。所制备的气凝胶在从水表面吸收和排出油方面表现出若干有利特性，例如高比表面积、低密度（6.78 mg/cm）和良好的孔隙率（99.12％）。此外，TMCS/rGO/CNFs气凝胶在短时间（1.5 分钟）内对多种油类表现出高达其自身重量39倍的良好吸收能力。该研究表明TMCS/rGO/CNFs气凝胶在清理溢油方面的实际应用是可行的。
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