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- 저자 : Yichen Zhou (검색결과 2 건)
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Mengnan Qu,Yichen Zhou,Lili Ma,Yi Zhang,Jiaxin Wang,Shanxin Xiong,Lihua Shen,Jinmei He 한국섬유공학회 2021 Fibers and polymers Vol.22 No.3
Stimulus-responsive materials with controllable oil/water separation performance have prodigious potentialapplication. Here, a new thought for low-cost, time-saving, flexible approach has been developed to prepare a pH-responsivematerial with switchable superamphiphobicity and superoleophobicity-superhydrophilicity. The as-prepared material can beeasily applied onto multifarious substrates and presents stable superamphiphobicity. However, when the modified material istreated by alkaline solution, its surface wettability turns superhydrophilicity and superoleophobicity, thus water is allowed topenetrate through the material whereas the oil was blocked on the surface. Moreover, the surface wettability can be recoveredto superamphiphobicity quickly via treating the material with acidic aqueous. Hence, such a controllable water wettabilityand stable oil repellency property endows the as-prepared material with excellent capability to separate water from oil/watermixture. In addition, the pH-responsive materials can maintain switchable wettability after being treated by acid and alkalinumerous cycles. Furthermore, the obtained materials also exhibit excellent recyclable, self-cleaning and flame-resistantperformance, which shows potential applications for smart water-oil separators and fire-shielding protectors.
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Jinmei He,Yi Zhang,Yichen Zhou,Jiaxin Wang,Yu Zhao,Lili Ma,Ansar Abbas,Mengnan Qu 한국섬유공학회 2019 Fibers and polymers Vol.20 No.5
In recent years, the superhydrophobic fabrics with specific wetting property had attracted extensive attention of theresearcher and industry for their extraordinary performance. In this report, a robust superhydrophobic fabric with oil/waterseparation property and load carrying capacity had been successfully prepared by introducing the modified magnesium oxide(MgO) and aluminate. It has proved that the modified fabric has excellent stability through tape peeling test, folding test,washing experiment and pH test. In particular, the fabric weight of 200 g could be moved by 22 m on 600 # sandpaperwithout losing superhydrophobic property. Besides, the fabric can separate oil and water from different oil-water mixtureswith a separation efficiency of over 90 %, using superhydrophilic-superoleophobic properties. Otherwise, it is 66.8 N/m2 thatloadable pressure of the fabric in water. The superhydrophobic fabric has tremendously wide applications in the field of oilcontainingwastewater and diving equipment.
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