Superhydrophobic polymer-coated copper-mesh; membranes for highly efficient oil-water separation

被引：355

作者：

Crick, Colin R. ^{[1
]}

Gibbins, James A. ^{[1
]}

Parkin, Ivan P. ^{[1
]}

机构：

[1] UCL, Dept Chem, Mat Chem Res Ctr, London WC1H OAJ, England

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 19期

基金：

英国工程与自然科学研究理事会;

关键词：

SURFACES; FILM;

D O I：

10.1039/c3ta10636e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

A novel filtration system has been developed for the separation of water and hydrophobic solvents. Copper meshes of various pore diameter (297, 251, 178 and 152 mm) were coated with extremely rough silicone elastomer films. Depositions of this polymer were carried out by aerosol assisted chemical vapour deposition. The polymer coating rendered all meshes superhydrophobic, with static water contact angles of 152-167 degrees depending on mesh diameter. The meshes were found to be exceptionally efficient in separating organic solvents (hexane, petroleum ether and toluene) from water. The dual-layered filtration system developed focuses on directing the transport of oil away from water with the highest efficiency. The device provides a scalable solution to many challenges, including microanalysis, filtration and chemical processing.

引用

页码：5943 / 5948

页数：6

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