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Journal of Materials Science

, Volume 54, Issue 7, pp 5942–5951 | Cite as

Asymmetric wetting Janus fabrics with double-woven structure for oil/water separation

  • Chengjian Yao
  • Meiyin Luo
  • Helan Wang
  • Bi Xu
  • Zaisheng CaiEmail author
Polymers
  • 95 Downloads

Abstract

The asymmetric wetting Janus fabric with double-woven structure was designed by using two systems of warp yarns and two types of the weft yarns with distinct wettability. The result shows that the fabric with double-woven structure possesses the asymmetric wettability with superhydrophobicity on one side while superhydrophilicity on the other side. This asymmetric wettability realizes a unidirectional permeation and oil/water separation effect. The efficiency of oil/water separation could be simply controlled by varying fabric densities; thus, suitable density should be regarded as an important factor in this system. In “water removal” mode, the separation efficiency and separation flux reached 99% and 2.5 L m−2 s−1, respectively. In “de-oiling” mode, the separation efficiency and separation flux reached 96% and 8 L m−2 s−1, respectively. According to this work, the as-prepared asymmetric wettability Janus fabric with double-woven structure is promisingly applied to oil/water separation and other related applications.

Notes

Acknowledgements

The work was supported by a Grant from the National Key R&D Program of China (2017YFB0309400), (2017YFB0309100).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

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Supplementary material 1 (MPG 11132 kb)
10853_2018_3241_MOESM2_ESM.mpg (11.7 mb)
Supplementary material 2 (MPG 11989 kb)
10853_2018_3241_MOESM3_ESM.mpg (4.6 mb)
Supplementary material 3 (MPG 4688 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and BiotechnologyDonghua UniversityShanghaiChina
  2. 2.China National Inspection and Testing Centre for Ophthalmic Optic Glass and Enamel ProductsShanghaiChina

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