Surface Deposition of Juglone/FeIII on Microporous Membranes for Oil/Water Separation and Dye Adsorption

被引：39

作者：

Yu, Hui ^{[1
]}

Zhong, Qj-Zhi ^{[1
]}

Liu, Tian-Geng ^{[1
]}

Qiu, Wen-Ze ^{[1
]}

Wu, Bai-Heng ^{[1
]}

Xu, Zhi-Kang ^{[1
]}

Wan, Ling-Shu ^{[1
]}

机构：

[1] Zhejiang Univ, MOE Key Lab Macromol Synth & Functionalizat, Key Lab Adsorpt & Separat Mat & Technol Zhejiang, Dept Polymer Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

LANGMUIR | 2019年 / 35卷 / 10期

基金：

中国国家自然科学基金;

关键词：

ANTIOXIDANT ACTIVITY; COMPLEXES; FILMS; NANOMATERIALS; UNIVERSAL; STABILITY; COATINGS; LAWSONE;

D O I：

10.1021/acs.langmuir.8b03914

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Deposition of dopamine and tannic acid has received great attention in the fields of surface and interface science and technology. The deposition behaviors of various metal-phenolic systems have been investigated, and it is generally accepted that at least one catechol group is essential to the formation of the coatings. Herein, we report a novel and effective surface-coating system based on the coordination complexes of Fein ions with a natural product juglone that contains only one phenolic hydroxyl. We investigated the deposition behaviors of this novel system on various substrates. Microporous polypropylene membrane modified with juglone/Fe-III coatings is superhydrophilic and underwater superoleophobic, showing high separation efficiency and good reusability for various oil/water emulsions. In addition, the modified membrane can adsorb anionic dyes and selectively remove them from dye mixtures with high efficiency. We further demonstrated that the coating is a result of the synergetic effect of juglone/Fe-III coordination and Fe-III hydrolysis. This work not only provides new insights into surface deposition systems but also expands the polyphenol family for surface coatings of multifunctional materials.

引用

页码：3643 / 3650

页数：8

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