Fabrication and characterization of superhydrophobic and superlipophilic silica nanofibers mats with excellent heat resistance

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Abstract

A kind of silica nanofibers (SNF) mats with superhydrophobicity and superlipophilicity as well as excellent heat resistance, had been prepared by modifying of 1, 1, 1, 3, 3, 3-Hexamethyldisilazane on electrospun SNF mats. The effects of heat treatment time on properties of modified SNF mats were investigated by scanning electron microscopy, nitrogen absorption analysis, X-Ray photoelectron spectroscopy, and contact angle measurement. With high specific surface area 240.1 m2/g, the optimal modified SNF mat approached water contact angle (WCA) 153.2° and fuel contact angle (FCA) 0°, furthermore, even after annealing by 450 °C in air for 1h , WCA remained at 135.5° and FCA kept at 3.8°, which opened a new way to improve heat resistance of Fuel-Water filter paper.

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Gaoa, S., Watanabea, H., Nakanea, K., & Zhaob, K. (2016). Fabrication and characterization of superhydrophobic and superlipophilic silica nanofibers mats with excellent heat resistance. Journal of Mining and Metallurgy, Section B: Metallurgy, 52(1), 87–92. https://doi.org/10.2298/JMMB150302026G

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