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Modified nano-SiO2/PU hydrophobic composite film prepared through in-situ coupling by KH550 for oil-water separation by Zhengqiu Yuan; Yangfeng Wu; Jianxian Zeng; Xiaoyan Li; Kairong Zang; Hu Zhou is a Environmental Science article available to read on EtoBox.
What is Modified nano-SiO2/PU hydrophobic composite film prepared through in-situ coupling by KH550 for oil-water separation about?
In this study, hydrophobic polymer composite films based on polyurethane (PU) were prepared for oil-water separation. Hydrophilic fumed silica (nano-SiO 2 ) was introduced as reinforcing filler, and silane coupling agent (KH550) was used to crosslink PU with nano-SiO 2 in situ for enhancing the nano-SiO 2 dispersion in the films. The microscopic morphology, crystalline structure, and hydrophobic properties of the films were characterized by using scanning electron microscopy, X-ray diffraction, FTIR spectroscopy, water contact angle, and water absorption tests. The results showed that the hydrophobicity of the nano-SiO 2 /PU composite films increased with the addition of nano-SiO 2 . KH550 not only significantly promoted the crosslink action between PU and nano-SiO 2 but also enhanced the dispersion of nano-SiO 2 in the composite films. Moreover, the pore structure of the prepared films was changed with the addition of nano-SiO 2 and KH550, which greatly improved the hydrophobicity. The test results for oil-water separation performance showed that the prepared composite films can efficiently separate the oil from oil-water mixtures with good repeatability.
Who reads Modified nano-SiO2/PU hydrophobic composite film prepared through in-situ coupling by KH550 for oil-water separation?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Zhengqiu Yuan; Yangfeng Wu; Jianxian Zeng; Xiaoyan Li; Kairong Zang; Hu Zhou
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)
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