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

Song Gao | Zendy; Hidetaka Watanabe | Zendy; Koji Nakane | Zendy; Kang Zhao | Zendy

Open Access

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

Author(s) -

Song Gao,

Hidetaka Watanabe,

Koji Nakane,

Kang Zhao

Publication year - 2015

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb150302026g

Subject(s) - contact angle , materials science , x ray photoelectron spectroscopy , scanning electron microscope , nanofiber , annealing (glass) , fabrication , composite material , filter paper , heat resistance , chemical engineering , medicine , alternative medicine , pathology , engineering

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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