Journal
MATERIALS LETTERS
Volume 202, Issue -, Pages 99-102Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.05.062
Keywords
Porous materials; Superhydrophobic; Melamine sponge; Surfaces; Oil removal
Funding
- National Natural Science Foundation of China [21676102, 21376093]
- Project of Guangzhou Science and Technology Plan [201607010172]
- Project of Dongguan Science and Technology [201521510201]
- Project of Science and Technology of Guangdong Province [2015B010135009]
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A superhydrophobic melamine sponge was fabricated by a facile method of photoinitiated thiol-ene click chemistry. The resultant sponge exhibited excellent water repellency with a water contact angle of 152.8 degrees and could not only absorb various organic compounds with absorption capacities of 72-160 times its own weight, but also selectively and continuously remove oil from water. More importantly, the sponge still maintained a high absorption capacity after reused 16 times by sorption/squeezing. Additionally, the superhydrophobic sponge could also be used as a filter to separate oil/water mixtures successfully. These results suggest that the resultant superhydrophobic melamine sponge may provide great potential application for oil removal. (C) 2017 Elsevier B.V. All rights reserved.
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