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01.06.2014 | Original Paper

Superhydrophilic and superoleophobic chitosan-based nanocomposite coatings for oil/water separation

verfasst von: Jin Yang, Haojie Song, Xuehua Yan, Hua Tang, Changsheng Li

Erschienen in: Cellulose | Ausgabe 3/2014

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Abstract

To overcome easy oil fouling and poor efficiency of traditional oil/water separation materials, superhydrophilic and superoleophobic coatings were fabricated by spray casting chitosan (CTS)-based nanocomposites. The molecular rearrangement of hydrophilic and oleophobic constituents, combined with the hierarchical rough surface structures, enabled a coating with a water contact angle of 0° and a hexadecane contact angle of 157° ± 1°. Hexadecane droplets can easily slide off the dried and water-wetted coating without leaving any obvious oily trailing stains. When the superhydrophilic and superoleophobic CTS-based nanocomposite coatings were applied to oil/water separation, they exhibited excellent anti-fouling capacity, high separation efficiency and easy recyclability. The superhydrophilic and superoleophobic CTS-based coating would be a good candidate for the treatment of industrial oil-polluted water and the cleanup of oil spills.

Vorheriger Artikel Antimicrobial nanocomposite films made of poly(lactic acid)-cellulose nanocrystals (PLA-CNC) in food applications: part A—effect of nisin release on the inactivation of Listeria monocytogenes in ham

Nächster Artikel Mechanically robust, flame-retardant and anti-bacterial nanocomposite films comprised of cellulose nanofibrils and magnesium hydroxide nanoplatelets in a regenerated cellulose matrix

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Titel: Superhydrophilic and superoleophobic chitosan-based nanocomposite coatings for oil/water separation
verfasst von: Jin Yang
Haojie Song
Xuehua Yan
Hua Tang
Changsheng Li
Publikationsdatum: 01.06.2014
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 3/2014
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-014-0244-0

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