Modified superhydrophilic and underwater superoleophobic PVDF membrane with ultralow oil-adhesion for highly efficient oil/water emulsion separation

被引：47
|
作者：
Liu, Jun [1 ]
Li, Peng [1 ]
Chen, Li [1 ]
Feng, Yang [1 ]
He, Wanxia [1 ]
Lv, Xiaomeng [2 ]
机构：
[1] Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Peoples R China
[2] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 185卷
关键词：
Surfaces; Nanocomposites; Superhydrophilic; Underwater superoleophobic; Chitosan; Oil/water emulsion separation; COATED MESH; WATER SEPARATION; CHITOSAN; SILICA; ADSORPTION; COMPOSITE; COATINGS;
D O I：
10.1016/j.matlet.2016.08.124
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A superhydrophilic and underwater superoleophobic membrane was fabricated by coating polyvinylidene fluoride membrane with chitosan-silica nanoparticles using glutaraldehyde. The chemical composition, microstructure and wettability of the modified membrane were characterized by fourier transform infrared spectroscopy, scanning electron microscopy and contact angles, respectively. The modified membrane exhibited superior superhydrophilicity, underwater superoleophobicity and ultra low oil-adhesion, and hence it could separate an oil/water emulsion with a separation efficiency > 99.0%, making it promising for practical oil/water emulsion separation applications. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：169 / 172
页数：4
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