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High-yield preparation of a zwitterionically charged chitin nanofiber and its application in a doubly pH-responsive Pickering emulsion

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Abstract

Novel zwitterionic chitin nanofibers (ChNFs) decorated with both cationic (NH3+) and anionic (COO) groups on the surface have broad applications in various environments. Herein, we demonstrate a rapid and high-yield (up to 85%) synthesis of a zwitterionic ChNF by the combination of partial deacetylation and oxidation using the TEMPO/NaClO2/NaClO system. Meanwhile, we present the potential application of a bio-based ChNF as an environmentally and doubly pH-responsive Pickering emulsifier to replace conventional pH-responsive Pickering emulsifiers such as inorganic nanoparticles or grafted polymers. This high yield preparation achieved by our method will be in favor of the large-scale applications of ChNFs.

Graphical abstract: High-yield preparation of a zwitterionically charged chitin nanofiber and its application in a doubly pH-responsive Pickering emulsion

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Publication details

The article was received on 30 May 2017, accepted on 03 Jul 2017 and first published on 03 Jul 2017


Article type: Paper
DOI: 10.1039/C7GC01592E
Citation: Green Chem., 2017, Advance Article
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    High-yield preparation of a zwitterionically charged chitin nanofiber and its application in a doubly pH-responsive Pickering emulsion

    K. Pang, B. Ding, X. Liu, H. Wu, Y. Duan and J. Zhang, Green Chem., 2017, Advance Article , DOI: 10.1039/C7GC01592E

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