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Facile Preparation of Nanostructured, Superhydrophobic Filter Paper for Efficient Water/Oil Separation



Facile Preparation of Nanostructured, Superhydrophobic Filter Paper for Efficient Water/Oil Separation



Plos one 11(3): E0151439



In this paper, we present a facile and cost-effective method to obtain superhydrophobic filter paper and demonstrate its application for efficient water/oil separation. By coupling structurally distinct organosilane precursors (e.g., octadecyltrichlorosilane and methyltrichlorosilane) to paper fibers under controlled reaction conditions, we have formulated a simple, inexpensive, and efficient protocol to achieve a desirable superhydrophobic and superoleophilic surface on conventional filter paper. The silanized superhydrophobic filter paper showed nanostructured morphology and demonstrated great separation efficiency (up to 99.4%) for water/oil mixtures. The modified filter paper is stable in both aqueous solutions and organic solvents, and can be reused multiple times. The present study shows that our newly developed binary silanization is a promising method of modifying cellulose-based materials for practical applications, in particular the treatment of industrial waste water and ecosystem recovery.

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Accession: 057855872

Download citation: RISBibTeXText

PMID: 26982055

DOI: 10.1371/journal.pone.0151439


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