High performance graphene-based foam fabricated by a facile approach for oil absorption

被引：86

作者：

Ji, Cuihong ^{[1
]}

Zhang, Ke ^{[3
]}

Li, Le ^{[2
]}

Chen, Xiaoxia ^{[2
]}

Hu, Jinlong ^{[4
]}

Yan, Deyue ^{[2
]}

Xiao, Guyu ^{[2
]}

He, Xiaohua ^{[1
]}

机构：

[1] East China Normal Univ, Sch Chem & Mol Engn, Dept Chem, 500 Dongchuan Rd, Shanghai 200241, Peoples R China

[2] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Sch Chem & Chem Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[3] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, 516 Jungong Rd, Shanghai 200093, Peoples R China

[4] Hunan Univ, Coll Chem & Chem Engn, 2 South Lushan Rd, Changsha 410082, Hunan, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 22期

基金：

中国国家自然科学基金;

关键词：

SELF-ASSEMBLY PROCESS; SUPERHYDROPHOBIC GRAPHENE; OIL/WATER SEPARATION; THERMAL REDUCTION; ORGANIC-SOLVENTS; SPONGY GRAPHENE; CARBON NANOTUBE; FIRE-RESISTANT; AEROGELS; OXIDE;

D O I：

10.1039/c7ta02613g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：11263 / 11270

页数：8

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