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Fogging of the surface of the transparent material is a natural phenomenon, great inconvenience to the people's production and life, even dangerous. Therefore, the transparent material anti-fog technology research has a very important practical significance. Domestic and foreign hydrophilic anti-fog technology as the main research direction. Polyaddition reaction principle of the present experiment for the the common hydrophilic anti-fog film and the transparent substrate is not firmly connected easy shedding disadvantage, the use of vinyl double bonds in a transparent substrate subjected to surface modification, developed not only optical glass and other transparent substrate The timber is firmly connected, and the antifogging material having high hydrophilicity and high transmittance. The first chapter nm AR, Preparation and Characterization of high hardness anti-fog film precursors: TEOS (TEOS), vinyl triethoxysilane (A-151) as a substrate, the addition of ethanol, hydrochloric acid double-distilled water, the use of sol - gel method (Sol-Gel) Preparation of AR, high hardness anti-fog film precursors (hereinafter referred to as precursor). In FTIR, XRD determination of the precursor structure, UVSP Determination of light transmittance before and after the coating material to the the SEM measuring surface of the material structure, and measure the precursor particle size, the film hardness and water contact angle. Results: FTIR, XRD determination of the mesh structure of the precursor in the presence of Si-O-Si. The UVSP measuring coating transmittance maximum value of 92.2%, higher than the uncoated optical lenses. The liquid precursor particle diameter of 208.0 ± 42.3 nm, and a water contact angle of 52.3 °, the film hardness 6h binding degree was 96.2%. CONCLUSION: Preparation of the precursor having the Si-O-Si network structure, its coating on the glass surface with the glass to form a stable structure. The experimental methods to ensure firm bonding of the film and the optical lens, and to ensure that the film has a antireflective, high hardness and excellent performance. The second chapter Nano AR, Preparation and Characterization of the high hardness hydrophilic anti-fog film: Si-O-Si matrix by adding ammonium acrylate, methacrylic acid ammonium and ammonium persulfate, and methacrylate beta-hydroxybutyrate auxiliary functional group such as ethyl acrylate, methyl methacrylate, addition polymerization process for preparing nanoscale antireflection, high hardness hydrophilic antifogging film (hereinafter referred to as antifogging film), and discussion of the film durability. The performance of the anti-fog film detection method as above. Results: FTIR, XRD determination hydrophilic antifogging film is not only the presence of Si-O-Si network structure, and also the presence of an organic polymerizable hydrophilic group. The UVSP measuring coating transmittance maximum value of 94.6%, higher than the uncoated optical lenses. Liquid anti-fog material particle size of 265.0 ± 43.8nm. The water contact angle of 14.5 °. The film hardness 6H, combination of 95.1%. Conclusion: TEOS, A-151 and other materials of the Si-O-Si mesh structure can be connected to the hydrophilic functional group in the vinyl double bond is open. When the water droplets contact the surface of the anti-fog film will start to shop and the formation of a uniform film of water, improve the light transmittance. In the antireflection film, the high hardness at the same time, also to ensure that the anti-fogging function of the optical lens. Preparation of feasibility of the experiment, the quality control method is simple and reliable.
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