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Erschienen in: Cellulose 4/2019

24.01.2019 | Original Research

Robust and durable superhydrophobic cotton fabrics via a one-step solvothermal method for efficient oil/water separation

verfasst von: Quan-Yong Cheng, Cheng-Shu Guan, Yi-Dong Li, Jiang Zhu, Jian-Bing Zeng

Erschienen in: Cellulose | Ausgabe 4/2019

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Abstract

Traditional superhydrophobic cotton fabrics (CF) demonstrate various advantages such as self-cleaning, water repelling and efficient oil/water separation capacity but limited practical applications due to their poor mechanical robustness and environmental durability. In this work, robust and durable superhydrophobic polydivinylbenzene (PDVB) coated CF (PDVB@CF) are fabricated via a simple one-step, fluorine-free, and inorganic nanoparticle-free solvothermal method. The PDVB@CF displays excellent chemical resistance without losing superhydrophobicity after immersing in various organic solvents, strong acid and alkali solutions for a long time. The PDVB@CF shows excellent mechanical robustness to resist sandpaper abrasion and ultrasonication treatment. Furthermore, the PDVB@CF exhibits outstanding high and low temperature resistances since the contact angle of either acidic or alkali droplets is greater than 150° after isothermal treatment at 200 °C or immersion in liquid nitrogen for 3 h. The PDVB@CF is very efficient in separating water mixtures with various oily compounds with separation efficiency of higher than 98% and flux up to 56 k L m−2 h−1 depending on characteristics of the oils. In addition, the PDVB@CF shows excellent recyclability with superhydrophobicity and separation efficiency that remained after 10 separation cycles. The PDVB@CF with excellent robustness and durability exhibits potential utility in oil/water separation even under some harsh conditions.

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Literatur
Zurück zum Zitat Cao CY, Ge MZ, Huang JY, Li SH, Deng S, Zhang SN, Chen Z, Zhang KQ, Al-Deyab SS, Lai YK (2016) Robust fluorine-free superhydrophobic PDMS–ormosil@ fabrics for highly effective self-cleaning and efficient oil–water separation. J Mater Chem A 4:12179–12187. https://doi.org/10.1039/c6ta04420d CrossRef Cao CY, Ge MZ, Huang JY, Li SH, Deng S, Zhang SN, Chen Z, Zhang KQ, Al-Deyab SS, Lai YK (2016) Robust fluorine-free superhydrophobic PDMS–ormosil@ fabrics for highly effective self-cleaning and efficient oil–water separation. J Mater Chem A 4:12179–12187. https://​doi.​org/​10.​1039/​c6ta04420d CrossRef
Zurück zum Zitat Wang G, He Y, Wang H, Zhang L, Yu QY, Peng SS, Wu XD, Ren TH, Zeng ZX, Xue QJ (2015b) A cellulose sponge with robust superhydrophilicity and under-water superoleophobicity for highly effective oil/water separation. Green Chem 17:3093–3099. https://doi.org/10.1039/c5gc00025d CrossRef Wang G, He Y, Wang H, Zhang L, Yu QY, Peng SS, Wu XD, Ren TH, Zeng ZX, Xue QJ (2015b) A cellulose sponge with robust superhydrophilicity and under-water superoleophobicity for highly effective oil/water separation. Green Chem 17:3093–3099. https://​doi.​org/​10.​1039/​c5gc00025d CrossRef
Metadaten
Titel
Robust and durable superhydrophobic cotton fabrics via a one-step solvothermal method for efficient oil/water separation
verfasst von
Quan-Yong Cheng
Cheng-Shu Guan
Yi-Dong Li
Jiang Zhu
Jian-Bing Zeng
Publikationsdatum
24.01.2019
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 4/2019
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-019-02267-6

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