Abstract

Cellulose microspheres were fabricated on the basis of sol-gel transition using NaOH/urea/H 2 O as the solvent system. These microspheres had an average diameter of about 30 μm. Upon modification with Fe 3 O 4 and poly (DOPAm- co -PFOEA), superhydrophobic magnetic cellulose microspheres were generated, which were analyzed by FTIR, TG, XRD, XPS and water contact angle tests. Magnetic cellulose microspheres contained approximately 15 wt% of Fe 3 O 4 . Poly(DOPAm- co -PFOEA)/Fe 3 O 4 /cellulose microspheres and had a low surface energy and a high water-repellency. These superhydrophobic microspheres were also converted into liquid marbles via an easily scalable process.

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