期刊
MATERIALS TODAY COMMUNICATIONS
卷 29, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtcomm.2021.102820
关键词
Cotton fabrics; Superhydrophobic; Cardanol; Oil-water separation
资金
- China International Science and Technology Cooperation [2017YFE0106800]
- National Natural Sci-ence Foundation of China [31700522, 31822009, 31770615]
- Research Funds of Jiangsu Key Laboratory for Biomass Energy [JSBEM-S-201903]
A bio-based superhydrophobic durable cotton fabric was developed using a method of ultrasonic-assisted in situ growth, creating a surface with special wettability and mechanical stability. It can efficiently separate oil-water mixtures and shows potential for various applications.
A bio-based superhydrophobic durable cotton fabric was manufactured by using a method of ultrasonic-assisted in situ growth. The hierarchical structure of cotton fibers was generated by the deposition of the hydrophobic composite nanoparticles, which derived from the hydrolysis and co-condensation of cardanol-based benzoxazine (C-aps) and tetraethylorthosilicate (TEOS). The obtained superhydrophobic surface had a water contact angle of 158.5 +/- 0.2 degrees with special wettability. The mechanical and environmental stability of the superhydrophobic cotton fabrics were assessed through sandpaper abrasion, ultrasound treatment, high temperature tests, acid/ alkaline liquids, solution immersion, and water drop experiment. Additionally, the modified cotton fabrics could separate oil-water mixtures with excellent separation efficiency (> 99.0%), high flux (as high as 6748.2 +/- 237.4 L m(-2) h(-1)), and stable reusability. The study demonstrates that the bio-based superhydrophobic cotton fabric has practical applications in the management of industrial wastewater and oil contaminants.
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