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Tunable surface morphology of electrospun PMMA fiber using binary solvent

Zhi Liu,Jiang-hui Zhao,Peng Liu,Ji-huan He

Superhydrophobic–superoleophilic fibrous polymethyl methacrylate (PMMA) membranes were prepared by electrospinning technique. The membranes exhibited a high water contact angle up to 153.9° and nearly zero oil contact angle. This super wettability property is attributed to hierarchical macro- and nanostructure on surface of PMMA membrane and can be conveniently tuned by adjusting the weight ratio of binary solvent of N,N-dimethylacetamide and acetone. Resultant fibrous PMMA membranes with superhydrophobic–superoleophilic property can be used in water treatment. This facile one-step strategy shows an alternative approach to produce special wettability surface and will benefit this material.