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Materials 2016, 9(9), 731; doi:10.3390/ma9090731

Preparation and Application of Water-in-Oil Emulsions Stabilized by Modified Graphene Oxide

The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
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Academic Editor: To Ngai
Received: 5 June 2016 / Revised: 20 August 2016 / Accepted: 22 August 2016 / Published: 26 August 2016
(This article belongs to the Special Issue Pickering Emulsion and Derived Materials)
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Abstract

A series of alkyl chain modified graphene oxides (AmGO) with different alkyl chain length and content was fabricated using a reducing reaction between graphene oxide (GO) and alkyl amine. Then AmGO was used as a graphene-based particle emulsifier to stabilize Pickering emulsion. Compared with the emulsion stabilized by GO, which was oil-in-water type, all the emulsions stabilized by AmGO were water-in-oil type. The effects of alkyl chain length and alkyl chain content on the emulsion properties of AmGO were investigated. The emulsions stabilized by AmGO showed good stability within a wide range of pH (from pH = 1 to pH = 13) and salt concentrations (from 0.1 to 1000 mM). In addition, the application of water-in-oil emulsions stabilized by AmGO was investigated. AmGO/polyaniline nanocomposite (AmGO/PANi) was prepared through an emulsion approach, and its supercapacitor performance was investigated. This research broadens the application of AmGO as a water-in-oil type emulsion stabilizer and in preparing graphene-based functional materials. View Full-Text
Keywords: modified graphene oxide; Pickering emulsion; water-in-oil emulsions; nanocomposite modified graphene oxide; Pickering emulsion; water-in-oil emulsions; nanocomposite
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fei, X.; Xia, L.; Chen, M.; Wei, W.; Luo, J.; Liu, X. Preparation and Application of Water-in-Oil Emulsions Stabilized by Modified Graphene Oxide. Materials 2016, 9, 731.

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