Jump to main content
Jump to site search

Issue 14, 2010
Previous Article Next Article

Aerogels from nanofibrillated cellulose with tunable oleophobicity

Author affiliations


The formation of structured porous aerogels of nanofibrillated cellulose (NFC) by freeze-drying has been demonstrated. The aerogels have a high porosity, as shown by FE-SEM and nitrogen adsorption/desorption measurements, and a very low density (<0.03 g cm−3). The density and surface texture of the aerogels can be tuned by selecting the concentration of the NFC dispersions before freeze-drying. Chemical vapor deposition (CVD) of 1H,1H,2H,2H-perfluorodecyltrichlorosilane (PFOTS) was used to uniformly coat the aerogel to tune their wetting properties towards non-polar liquids. An XPS analysis of the chemical composition of the PFOTS-modified aerogels demonstrated the reproducibility of the PFOTS-coating and the high atomic fluorine concentration (ca. 51%) in the surfaces. The modified aerogels formed a robust composite interface with high apparent contact angles (θ* ≫ 90°) for castor oil (γlv = 35.8 mN m−1) and hexadecane (γlv = 27.5 mN m−1).

Graphical abstract: Aerogels from nanofibrillated cellulose with tunable oleophobicity

Back to tab navigation
Please wait while Download options loads

Publication details

The article was received on 28 Jan 2010, accepted on 19 Apr 2010 and first published on 14 May 2010

Article type: Paper
DOI: 10.1039/C001939A
Citation: Soft Matter, 2010,6, 3298-3305
  •   Request permissions

    Aerogels from nanofibrillated cellulose with tunable oleophobicity

    C. Aulin, J. Netrval, L. Wågberg and T. Lindström, Soft Matter, 2010, 6, 3298
    DOI: 10.1039/C001939A

Search articles by author