Fabrication of cardanol-based superhydrophobic cotton fabric for highly effective oil-water separation

被引：19
作者：
Cheng, Jianwen [1 ]
Shang, Qianqian [2 ,3 ,4 ,5 ,6 ]
Liu, Chengguo [2 ,3 ,4 ,5 ,6 ]
Hu, Lihong [2 ,3 ,4 ,5 ,6 ]
Bo, Caiying [2 ,3 ,4 ,5 ,6 ]
Hu, Yun [2 ,3 ,4 ,5 ,6 ]
Yang, Xiaohui [2 ,3 ,4 ,5 ,6 ]
Zhou, Yonghong [2 ,3 ,4 ,5 ,6 ]
Lei, Wen [1 ]
机构：
[1] Nanjing Forestry Univ, Coll Sci, 159 Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
[2] CAF, Inst Chem Ind Forest Prod, Nanjing 210042, Jiangsu, Peoples R China
[3] Key Lab Biomass Energy & Mat, Nanjing 210042, Jiangsu, Peoples R China
[4] Natl Forestry & Grassland Adm, Key Lab Chem Engn Forest Prod, Nanjing 210042, Jiangsu, Peoples R China
[5] Natl Engn Lab Biomass Chem Utilizat, 16 Suojin Wucun, Nanjing 210042, Jiangsu, Peoples R China
[6] Coinnovat Ctr Efficient Proc & Utilizat Forest Re, 159 Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2021年 / 29卷
关键词：
Cotton fabrics; Superhydrophobic; Cardanol; Oil-water separation; FLUORINE-FREE; BENZOXAZINE; MEMBRANE; SURFACES; COATINGS;
D O I：
10.1016/j.mtcomm.2021.102820
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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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页数：11
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