期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 22, 页码 11263-11270出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta02613g
关键词
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资金
- National Natural Science Foundation of China [21274089, 21404071, 21320102006, 51690151]
- National Basic Research Program [2013CB834506]
Superhydrophobicity and high elasticity are the two key properties of oil-absorption porous materials. The hydrophobic graphene/carbon black coating on the skeleton of a melamine sponge facilitated the surface to form the micro/nanoscale roughness. The resulting sponge thus was superhydrophobic. Moreover, it inherited the extremely high elasticity of raw melamine sponge, which showed no plastic deformation even after 1000 compression/relaxing cycles. To our knowledge, this was the first superhydrophobic graphene-based porous monolith with such a high elasticity. Its absorbed oils could be recycled by simple squeezing and it was also regenerated by squeezing because of the high elasticity. In addition, it showed a high absorption capacity for common oil contaminations and its fabrication was facile. Therefore, it is really an excellent absorbent for the practical absorption of oil contaminations from water.
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