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Fibers and Polymers

, Volume 18, Issue 4, pp 706–712 | Cite as

Fabrication of superhydrophobic cellulose/chitosan composite aerogel for oil/water separation

  • Guihua Meng
  • Huili Peng
  • Jianning Wu
  • Yixi Wang
  • Hao Wang
  • Zhiyong Liu
  • Xuhong Guo
Article

Abstract

Superhydrophobic cellulose and chitosan composite aerogel (SCECS) is fabricated through a novel and simple approach for the first time. During the preparation of cellulose and chitosan composite aerogel (CECS), chitosan is selfassemble into number micron-diameter particles on the surface of aerogel, which is similar to the micromorphology of a lotus leaf. Based on the rough surface, CECS is modified by sodium stearate through electrostatic interaction and ion exchange. Water contact angles of 156° are obtained for superhydrophobic aerogel. SCECS can remove various oils from water and with absorption capacities of 10 g/g for oil. Furthermore, the special structure of a non-porous of surface and porous layer of internal is benefit to separate surfactant-stabilized water-in-oil emulsions under gravity.

Keywords

Rough surface Cellulose and chitosan composite aerogel Superhydrophobic Oil-water separation 

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Copyright information

© The Korean Fiber Society and Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Guihua Meng
    • 1
  • Huili Peng
    • 1
  • Jianning Wu
    • 1
  • Yixi Wang
    • 1
  • Hao Wang
    • 1
  • Zhiyong Liu
    • 1
  • Xuhong Guo
    • 1
  1. 1.Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical EngineeringShihezi UniversityXinjiangPR China

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