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Open AccessArticle

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