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A facile two-step dipping process based on two silica systems for a superhydrophobic surface.

A facile two-step dipping process based on two silica systems for a superhydrophobic surface.

Chemical communications (Cambridge, England) (2011-08-30)

Xiaoguang Li, Jun Shen

RESUMO

A silica microsphere suspension and a silica sol are employed in a two-step dipping process for the preparation of a superhydrophobic surface. It's not only a facile way to achieve the lotus effect, but can also create a multi-functional surface with different wetabilities, adhesive forces and transparencies.

MATERIAIS

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Sigma-Aldrich

Bis(trimetilsilil) amida de lítio, 1.0 M in THF

Sigma-Aldrich

Hexamethyldisilazane, reagent grade, ≥99%

Sigma-Aldrich

Sodium bis(trimethylsilyl)amide solution, 1.0 M in THF

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Potassium bis(trimethylsilyl)amide solution, 1 M in THF

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Hexamethyldisilazane, ReagentPlus^®, 99.9%

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Supelco

Hexamethyldisilazane, for GC derivatization, LiChropur^™, ≥99.0% (GC)

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Hexamethyldisilazane, produced by Wacker Chemie AG, Burghausen, Germany, ≥97.0% (GC)

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