DataVXACS Applied Polymer MaterialsPaper
journal article·2020-08-14

ZIF-8@Poly(ionic liquid)-Grafted Cotton Cloth for Switchable Water/Oil Emulsion Separation

Xu Ou, Yongyuan Ren, Jiangna Guo, Yingjie Zhou, Yinghui Yuan, Qinbo Liu, Feng Yan

ACS Applied Polymer Materials· Volume 2· Issue 8
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Source abstract

Abstract

It is highly challenging to separate stabilized water/oil emulsions with sizes below 20 μm. Here, we propose a simple and scalable process via the in situ grafting of ZIF-8 nanoparticles and a poly(ionic liquid) (PIL) onto a commercial cotton cloth (CC) fabric. Switchable wettability between superhydrophilicity/underwater superoleophobicity and superhydrophobicity/superoleophilicity was easily realized via the anion exchange of the PIL. ZIF-8 nanoparticles effectively improved the superhydrophilicity and superolelphilicity of ZIF-8@PIL-grafted cotton cloth (CC-ZIF-PIL), while also performing the dual functions of the separation of oil-in-water (O/W) and water-in-oil (W/O) emulsions. Accordingly, effective water/oil emulsion separation with a high efficiency (η > 99%), selectivity, stability, and durability was obtained using the CC-ZIF-PIL. These features indicate that CC-ZIF-PIL has promising application in switchable water/oil emulsion separation devices.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Surface Modification and Superhydrophobicity · Advanced Sensor and Energy Harvesting Materials · Pickering emulsions and particle stabilization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China

Department of Polymer Science and Engineering, College of Chemistry, Chemical, Engineering and Materials Science, Soochow University, Suzhou, 215123, China

Funding

National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · Fundamental Research Funds for the Central Universities · Start-up Research Foundation for Talented Scholars at Donghua University · Initial Research Funds for Young Teachers of Donghua University · National Natural Science Foundation for Distinguished Young Scholars

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