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Journal of Materials Science

, Volume 52, Issue 5, pp 2549–2559 | Cite as

Robust fabrication of fluorine-free superhydrophobic steel mesh for efficient oil/water separation

  • Qing Wang
  • Mingguang Yu
  • Guangxue ChenEmail author
  • Qifeng Chen
  • Junfei Tian
Original Paper

Abstract

A facile and environmentally friendly method was reported for the fabrication of superhydrophobic steel mesh by depositing with dual-scale Polystyrene@Silica (PS@SiO2) particles coated with hexadecyltrimethoxysilane (HDTMS), which provided 3D multi-scale hierarchical rough surface structure with low surface energy to perform the superhydrophobic effect. PS particles of ~1 μm and ~200 nm were first synthesized via dispersion polymerization and emulsion polymerization, respectively. The obtained PS particles were then used as template for the silification using tetraethyl orthosilicate as the precursor. After treated with HDTMS, the PS@SiO2 particles were deposited on steel mesh forming dual-sized hierarchical structures. The as-prepared film exhibited excellent water repellence with a water contact angle of 161.6° ± 1.1° and water contact angle hysteresis of 3.4°. It also showed efficient and rapid oil/water separation ability and could be repeatedly used for at least 5 times. This facile synthesis strategy for fabricating multifunctional steel mesh provides potential applications in large-scale oil–water separation.

Keywords

Water Contact Angle Emulsion Polymerization Superhydrophobic Surface Dispersion Polymerization Steel Mesh 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work is supported by the Guangdong Provincial Science and Technology Project (Grant no. 2013B010401007).

Supplementary material

10853_2016_548_MOESM1_ESM.docx (310 kb)
Supplementary material 1 (DOCX 310 kb)

Supplementary material 2 (MPG 4825 kb)

Supplementary material 3 (MPG 160 kb)

Supplementary material 4 (AVI 3024 kb)

Supplementary material 5 (AVI 1053 kb)

Supplementary material 6 (AVI 5164 kb)

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Qing Wang
    • 1
  • Mingguang Yu
    • 2
  • Guangxue Chen
    • 1
    Email author
  • Qifeng Chen
    • 1
  • Junfei Tian
    • 1
  1. 1.State Key Laboratory of Pulp and Paper EngineeringSouth China University of TechnologyGuangzhouChina
  2. 2.School of Materials Science and Energy EngineeringFoshan UniversityFoshanChina

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