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Journal of Materials Science
Erschienen in: Journal of Materials Science 23/2021

17.05.2021 | Chemical routes to materials

A flame-retardant post-synthetically functionalized COF sponge as absorbent for spilled oil recovery

verfasst von: Yanyan Liu, Qiang Lyu, Zhikun Wang, Yi Sun, Chunling Li, Shuangqing Sun, Li-Chiang Lin, Songqing Hu

Erschienen in: Journal of Materials Science | Ausgabe 23/2021

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Abstract

Frequent oil spills pose severe damages to the marine ecosystems and result in hazardous fires when the spilled oil is ignited. Developing high-performance, flame-retardant absorbent materials for large-scale water treatment is therefore urgently needed. Herein, we report an efficient post-synthetic silylation process to achieve a porous covalent-organic framework (COF), denoted as [CF3] − COF. The absorption capacity of oils and organic solvents in [CF3] − COF was explored by experimental measurements with the absorption mechanism illuminated by molecular simulations. The prepared [CF3] − COF powders were further loaded into melamine sponge to yield a highly hydrophobic absorbent denoted as [CF3] − COF@sponge, which was demonstrated to effectively remove oils/organic solvents with outstanding stability and excellent flame retardancy. Moreover, an oil-collecting apparatus was designed to continuously separate oils/organic solvents from water. The rapid recovery of oils/organic solvents from water using this device proves the great promise of [CF3] − COF@sponge in water treatment.
Vorheriger Artikel Co-firing preparation and properties of piezoelectric ceramic/structural ceramics layered composites
Nächster Artikel Boronate affinity-modified magnetic β-cyclodextrin polymer for selective separation and adsorption of shikimic acid

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Metadaten
Titel
A flame-retardant post-synthetically functionalized COF sponge as absorbent for spilled oil recovery
verfasst von
Yanyan Liu
Qiang Lyu
Zhikun Wang
Yi Sun
Chunling Li
Shuangqing Sun
Li-Chiang Lin
Songqing Hu
Publikationsdatum
17.05.2021
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 23/2021
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-021-06006-w

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