Gel Process

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Chengyu Wang - One of the best experts on this subject based on the ideXlab platform.

  • fabrication of superhydrophobic wood surface by a sol Gel Process
    Applied Surface Science, 2011
    Co-Authors: Shuliang Wang, Changyu Liu, Guochao Liu, Ming Zhang, Chengyu Wang
    Abstract:

    Abstract The superhydrophobic wood surface was fabricated via a sol–Gel Process followed by a fluorination treatment of 1H, 1H, 2H, 2H- perfluoroalkyltriethoxysilanes (POTS) reagent. The crystallization type of silica nanoparticles on wood surface was characterized using X-ray diffraction (XRD), the microstructure and chemical composition of the superhydrophobic wood surface were described by scanning electron microscope (SEM) and energy dispersive spectrometer (EDS), the bonding force between the silica nanoparticles and POTS reagent was analyzed by Fourier transform infrared spectroscopy (FT-IR) and the superhydrophobic property of the treated sample was measured by contact angle (CA) measurements. An analytical characterization revealed that nanoscale silica spheres stacked uniformly over the wood surface, and with the combination of the high surface roughness of silica nanoparticles and the low surface free energy film of POTS on wood surface, the wood surface has turned its wetting property from hydrophilic into superhydrophobic with a water contact angle of 164° and sliding angle less than 3°.

Jiaoning Tang - One of the best experts on this subject based on the ideXlab platform.

Junqin Li - One of the best experts on this subject based on the ideXlab platform.

Shuliang Wang - One of the best experts on this subject based on the ideXlab platform.

  • fabrication of superhydrophobic wood surface by a sol Gel Process
    Applied Surface Science, 2011
    Co-Authors: Shuliang Wang, Changyu Liu, Guochao Liu, Ming Zhang, Chengyu Wang
    Abstract:

    Abstract The superhydrophobic wood surface was fabricated via a sol–Gel Process followed by a fluorination treatment of 1H, 1H, 2H, 2H- perfluoroalkyltriethoxysilanes (POTS) reagent. The crystallization type of silica nanoparticles on wood surface was characterized using X-ray diffraction (XRD), the microstructure and chemical composition of the superhydrophobic wood surface were described by scanning electron microscope (SEM) and energy dispersive spectrometer (EDS), the bonding force between the silica nanoparticles and POTS reagent was analyzed by Fourier transform infrared spectroscopy (FT-IR) and the superhydrophobic property of the treated sample was measured by contact angle (CA) measurements. An analytical characterization revealed that nanoscale silica spheres stacked uniformly over the wood surface, and with the combination of the high surface roughness of silica nanoparticles and the low surface free energy film of POTS on wood surface, the wood surface has turned its wetting property from hydrophilic into superhydrophobic with a water contact angle of 164° and sliding angle less than 3°.

Shenhua Song - One of the best experts on this subject based on the ideXlab platform.