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Fabrication of super hydrophobic Surfaces on Copper by Solution-immersion

Chinese Journal of Chemical Engineering 2013年第8期21卷 920-926页

作者：龚志金王建莉吴丽梅王小雨吕国诚廖立兵 School of Materials Science and Technology China University of Geosciences Chemistry Institute Co. Ltd.Henan Academy of Sciences

super hydrophobic copper wafer was prepared by means of solution immersion and surface self-assembly methods. Different immersion conditions were explored for the best hydrophobic surface. Scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and water contact angle measurements were used to investigate the morphologies, microstructures, chemical compositions and hydrophobicity of the produced films on copper substrates, respectively. Results show that the super hydrophobic surface is composed of micro structure of Cu 7 S 4 . The films present a high water contact angle larger than 150°, a low sliding angle less than 3°, good abrasion resistance and storage stability. The molecular dynamics simulation confirms that N-dodecyl mercaptan molecules link up with Cu 7 S 4 admirably, compared with Cu, which contributes to the stable super hydrophobic surface.

关键词： super hydrophobic copper contact angle molecular dynamics simulation

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Development of superhydrophobic Polyester (Polyethylene terephthalate) Fabric for Multiple Applications

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Non-Metallic Material Science 2020年第2期2卷 1-7页

作者： Subhas Ghosh Roopkatha Pallye College of Engineering and Technology Eastern Michigan UniversityYpsilantiMichiganUSA

This study intended to develop a healthy and environmentally friendly super-hydrophobic PET polyester textile fabric using a specific Fluoro Silane finish(SHF).A novel SHF was prepared and applied on a polyester fabric using a pad-dry-cure *** finished fabric was evaluated for the degree of hydrophobicity,durability and stain *** finished fabric exhibited static water contact angle greater than 170o and received 90 AATCC(4 ISO)rating that is recognized as super-hydrophobicity and this property was maintained even after a 50,000-cycle abrasion *** analysis identified the characteristic peaks related to Si-O-Si and C-F asymmetric stretching bands of the finish on the fabric indicating a robust attachment on the *** fabric did not show any change in appearance or tactile characteristics of the fabric.

关键词： Polyester fabric Contact Angle Fluoro silane super hydrophobic Stain repellant

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