期刊
MATERIALS LETTERS
卷 195, 期 -, 页码 66-70出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.02.100
关键词
Porous materials; Functional; Surfaces; Superhydrophobicity; Oil-water separation
资金
- National Natural Science Foundation of China [21373281, 21573028]
- Program for New Century Excellent Talents in University [NCET-13-0633]
- Project for Distinguished Young Scholars in Chongqing [cstc2014jcyjjq100004]
- Fundamental Research Funds for the Central Universities [106112016CDJZR225515]
- Chongqing Training Program of Innovation for Undergraduates [201610611176]
- Chongqing University's Large-scale Equipment
The superhydrophobic magnetic sponge with the ability for highly-effective oil-water separation is facilely fabricated by a one-step method through dipping of commercial sponge in a solution containing Fe3O4 magnetic nanoparticles and low-surface-energy compound Actyflon-G502 under ultrasonication. The as-prepared sponge can be driven by a magnet to the polluted water zone to selectively absorb oils from water. The oil absorption capacities of the as-prepared sponge for different types of oil and organic solvents are high up to 25-87 times of its own weight. Moreover, the as-prepared sponge shows excellent recyclability, which can be forecasted as an ideal candidate for oil-water separation. (C) 2017 Elsevier B. V. All rights reserved.
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