A Robust Polyionized Hydrogel with an Unprecedented Underwater Anti-Crude-Oil-Adhesion Property

被引：497

作者：

Gao, Shoujian ^{[1
,2
]}

Sun, Jichao ^{[3
]}

Liu, Pingping ^{[1
,2
,4
]}

Zhang, Feng ^{[1
,2
]}

Zhang, Wenbin ^{[1
,2
]}

Yuan, Shiling ^{[3
]}

Li, Jingye ^{[5
]}

Jin, Jian ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, I Lab, Suzhou 215123, Peoples R China

[2] Chinese Acad Sci, CAS Ctr Excellence Nanosci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China

[3] Shandong Univ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China

[4] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China

[5] Chinese Acad Sci, Shanghai Inst Appl Phys, CAS Ctr Excellence TMSR Energy Syst, Shanghai 201800, Peoples R China

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 26期

基金：

中国国家自然科学基金;

关键词：

IN-WATER EMULSIONS; OIL/WATER SEPARATION; SUPEROLEOPHOBIC SURFACES; ENGINEERING MATERIALS; PVDF MEMBRANES; COATED MESH; FABRICATION; SPILL; REMOVAL; SPONGES;

D O I：

10.1002/adma.201600417

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

A polyionized hydrogel polymer (sodium polyacrylate-grafted poly(vinylidene fluoride) (PAAS-g-PVDF)) is fabricated via an alkaline-induced phase-inversion process. PAAS-g-PVDF coatings exhibit unprecedented anti-adhesion and self-cleaning properties to crude oils under an aqueous environment. A PAAS-g-PVDF-coated copper mesh can effectively separate a crude oil/water mixture with extremely high flux and high oil rejection driven by gravity, and is oil-fouling-free for long-term use.

引用

收藏

页码：5307 / +

页数：9

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