• a novel method to prepare superhydrophobic, uv resistance and anti-corrosion steel surface

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 541
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     both tio2 and sio2 coated steel surfaces containing micro- and nanoscale binary structures with different surface roughness were successfully fabricated by means of a facile layer by layer deposition process followed by heat treatment. the resulting surfaces were modified by the low free energy chemical ptes (1h,1h,2h,2h-perfluorodecyltriethoxysilane). the experimental results of wettability exhibit that such modified surfaces have a strong repulsive force to water droplets, their static contact angles exceed 165°, receding angle >160°, advanced angles >170° and slide angle <1°. the resulting surfaces not only exhibit superhydrophobic properties but also show strong uv resistance (after coating sio2 on top of tio2) and strong stability to various solvents including 0.01% hcl solution.

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