Hydrophobic Modification of Glass Surface by Using Sol-Gel Synthesized Glass Powder as A Surface Roughness Promoter
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Tarih
2021
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info:eu-repo/semantics/openAccess
Özet
In this study, it was aimed to form a hierarchical surface by using glass powders in the coating solution which was applied to glass surfaces for reducing the surface energy. Glass powders (GP) were synthesized by sol gel method at room temperature in the presence of ammonium hydroxide as an alkali catalyst and ethanol water mixture as solvent. Glass powders were used as additives in the chemical modification material to form rough surfaces for obtaining hydrophobic property on the borosilicate substrates. Two solutions were prepared by using different silane types and three different amounts of glass powders were added to each. Substrates were coated with the prepared coating suspension. The coated samples were heat treated for curing of silane matrix at 110°C for an hour and then washed. The morphology and the size of the particles were visualized by scanning electron microscopy. Water contact angle measurements were carried out to determine the contact angle values and consequent hydrophobic features. 3 different powder ratios were used. Water contact angle values increased by the increasing powder ratio. Water contact angle values were reached to 115° from 20°.
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Düzce Üniversitesi Bilim ve Teknoloji Dergisi
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Cilt
9
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2
