Bio-inspired robust superhydrophilic/underwater superoleophobic coating with lubrication, anti-crude oil fouling and anti-corrosion performances

被引：30
作者：
Du, Hongzhong [1 ]
Liu, Fatang [1 ,2 ,3 ]
Wang, Huaiyuan [1 ,2 ,3 ]
机构：
[1] Northeast Petr Univ, Coll Chem & Chem Engn, Daqing 163318, Peoples R China
[2] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300350, Peoples R China
[3] Tianjin Univ, State Key Lab Chem Engn, Tianjin 300350, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2022年 / 616卷
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
Underwater superoleophobic; Anti-crude oil; Drag reduction; Anti-corrosion; Oil-water separation;
D O I：
10.1016/j.jcis.2022.02.090
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The crude oil spill accidents cause numerous crude oil contaminations and oily wastewater. Underwater superoleophobic coating has excellent ability to resist crude oil contamination and separate oily wastewater. But it's hard to keep stable performance against the physical or chemical attack. Herein, a robust underwater superoleophobic coating was fabricated by spraying the mixture of polyethyleneimine (PEI) and TiO2 on epoxy resin (E44) surface. Besides the good physical and chemical stability, the coating exhibited better drag reduction, anti-fouling performance and anti-corrosive performance in water compared with the commercially hydrophilic coating. The stainless steel mesh (SSM), coated by the E44/PEI/ TiO2 coating, could separate different oil-water emulsions with a high oil rejection greater than 99.7%. (c) 2022 Elsevier Inc.
引用
收藏
页码：720 / 729
页数：10
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