The Study of Hydrophilic and Hydrophobic SiO2 Films by Ultrasonic Spray

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题名:	The Study of Hydrophilic and Hydrophobic SiO2 Films by Ultrasonic Spray
作者:	HSU, CHANG-YEH
贡献者:	資訊工程學系
关键词:	hydrophilic;hydrophobic;silica、sol-gel;ultrasonic spray
日期:	2017
上传时间:	2017-09-18 03:19:44 (UTC+0)
出版者:	亞洲大學
摘要:	Inorganic self-cleaning films have better mechanical properties, such as hardness, abrasion resistance, etc., than organic self-cleaning films, and are less likely to result in decreased hydrophilic/hydrophobic properties due to increased use of time. Besdies, the organic film contains a large number of functional groups, and easy to achieve superhydrophilic/superhydrophobic effect, therefore this study by the room temperature directly sprayed on the UV/Quality glass substrate by ultrasonic spray coating method to organic-inorganic film as a material, to prepare self-cleaning coating, so that self-cleaning coating can have better mechanical properties and physical properties to increase the scope of application. In this experiment, SiO2 gel was synthesized by sol-gel process, and the hydrolysis and condensation properties of tetraethoxysilane (TEOS) in water were used to produce the condensation reaction of TEOS hydrolyzable monomers. Into the silica particles to form a three-dimensional space bonding structure, and finally add organic polymer monomer into its re-polymerization into organic-inorganic composite film. In this study, the effects of the parameters such as the type of metal alkoxide, the molar volume ratio of water and ethanol, the temperature and time of synthesis on the organic-inorganic composite/hydrophobic films were investigated by FE-SEM, AFM, FTIR, UV/Vis spectrophotometer, WCA tester, salt spray tester, abrasion tester and adhesion Tester, etc. to explore the surface morphology, microstructure changes, optical, chemical, physical and mechanical properties of the results.
显示于类别:	[資訊工程學系] 博碩士論文

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