Fabrication of superhydrophobic caffeic acid/Fe@cotton fabric and its oil-water separation performance

被引：67
作者：
Zhou, Qingqing [1 ]
Yan, Biaobiao [1 ]
Xing, Tieling [1 ]
Chen, Guoqiang [1 ]
机构：
[1] Soochow Univ, Coll Text & Clothing Engn, Suzhou 215123, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2019年 / 203卷
关键词：
Laccase catalysis; Caffeic acid/Fe; Superhydrophobic; Cotton fabric; Oil-water separation; ANTIMICROBIAL ACTIVITY; PHENOLIC-COMPOUNDS; CARBON NANOTUBES; LACCASE; SURFACE; NANOPARTICLES; ROBUST; ANTIOXIDANT; COMPOSITES; OXIDATION;
D O I：
10.1016/j.carbpol.2018.09.025
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A superhydrophobic caffeic acid/Fe@cotton fabric (CfA/Fe@cotton fabric) was fabricated by a simple, high efficiency and environmentally friendly approach and the polymerization of caffeic acid was catalyzed by laccase. This superhydrophobic cotton fabric and caffeic acid/Fe hybrid particles (CfA/Fe) were characterized by scanning electron microscopy (SEM), atomic force microscope (AFM), X-ray diffraction (XRD) and so on. The results showed that the surface of cotton fiber was coated by CfA/Fe composite deposition film, and the ferrous ions can be reduced to zero valent iron particles with good crystal structure in the aging process of reaction. Compared with pristine cotton fabric, the superhydrophobic cotton fabric exhibited high water contact angle (CA) of about 158 degrees. It could withstand various extreme conditions and 100 cycles of abrasion by friction tester without great changes of CA. In addition, CfA/Fe@cotton fabric had excellent self-cleaning and oil-water separation performance, and the oil separation efficiency was higher than 99%. Even after ten times of reuse, it still remained high efficiency separation ability. Moreover, this method has a certain degree of universality, the CfA/Fe can be deposited on many different substrates to form highly hydrophobic surfaces. This superhydrophobic cotton fabric has potential application value in oil-water separation, and this excellent preparation method also has broad application prospects.
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页码：1 / 9
页数：9
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