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Synthesis of Glycopolymer Nanosponges with Enhanced Adsorption Performances for Boron Removal and Water Treatment

Abstract

The high-affinity interaction between cis-diols and boric / boronic acid has been widely employed as a tool for carbohydrate analysis, protein separation and boron removal. Herein we report the design and synthesis of cyclodextrin-scaffolded glycopolymers as bifunctional nanosponges for boron removal and water treatment at the first time. Different glycopolymer nanosponges (GNs) have been successfully synthesized from monosaccharides and β-cyclodextrin via a combination of cross-linking reaction, Fischer glycosylation and click reaction. Such functional GNs are mesoporous polymer frameworks with cis-diol-containing saccharides immobilized on the surface, which have exhibited selective adsorption behaviour towards boric acid depending on the structure of GNs and loaded saccharides. The GNs have also shown remarkable adsorption rate and capacity for organic dye as the model pollutant in this work. Secondary bonding, such as hydrogen bonding and van der Waals force between the immobilized saccharides and adsorbates is believed to be responsible for the significantly enhanced adsorption rate and capacity. Such bifunctional materials may exhibit potential application in seawater desalination and water treatment.

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Publication details

The article was received on 14 Jul 2018, accepted on 08 Oct 2018 and first published on 10 Oct 2018


Article type: Paper
DOI: 10.1039/C8TA06802J
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Synthesis of Glycopolymer Nanosponges with Enhanced Adsorption Performances for Boron Removal and Water Treatment

    X. Liao, B. Wang and Q. Zhang, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA06802J

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