| Summary: | 碩士 === 國立虎尾科技大學 === 機械與機電工程研究所 === 102 === Glass is widely applied in industries and life, such as biomedical engineering, micro electro mechanical system, sensors, photovoltaic components, public touch panels, glasses, windows and so on. If the glass is plated with a functional thin film with biocompatibility, it will improve beauty and sense of joy; avoid disease and environment pollution, so as to promote wider application of glass property, higher added value as well as more environment protection concept. In the past, the manufacture procedure of some single-layer self-assembled thin films is simple, which has been proved to have a reliable and stable anti-pollution system. Since the manufacture factors are quite complicated and difficult to control, the mixed self-assembled process has few successful examples.
This paper establishes mixed self-assembled molecular membrane technology and manufacture processing equipments through attachment of organic silane materials mixed antimicrobial agent on glass, which is applied in industry. In the first part, it adopts a manufacture method with extremely simple manufacture process and extremely low cost, which utilizes the taguchi method to design an optimized manufacture process in influence factors such as soaking temperature, drying temperature, soaking time, self-assembled drug concentration and antimicrobial agent concentration, to get the optimal contact angle of self-assembled hybrid film; the contact angle of OTS hybrid film is 107.0° and the contact angle of ODS hybrid film is 106.5°, wherein their surface adhesive forces both decrease to 40% of the original and their antibacterial activity values of films are 5.3 and 5.4 respectively, which has been higher than the standards in the industry and life application.
The second part has one more step. Its cost is still relatively low. It uses the sol-gel method and takes TEOS as a precursor to manufacture SiO2 for surface improvement of glass by controlling conditions that the pH value is at 8~8.5 and the mixing temperature is at 70℃. Its OTS surface contact angle is 152.5°, which has is super-hydrophobic. Contact angle of OTS antibacterial hybrid film is 147.5°. Through quality improvement, the adhesive force of OTS after adding antibacterial hybrid film decreases greatly to 48.3 nN and has certain antibacterial effect.
This paper expects to complete a total solution of raw material, manufacture process operating parameters and the machine of the antibacterial and anti-pollution coating film as operation mode of the printer and carbon powder. Therefore, the third part integrates machines of relevant manufacture process to manufacture a simple desktop-type hybrid self-assembled coated machine applicable to small business places such as a glasses store or for domestic use; as well as a mass production machine capable of controlling temperature, stirring speed and time. We also use the machine to manufacture OTS and ODS hybrid film, whose contact angle has an error within 1% the same to that in laboratory, showing an extremely stable manufacture parameter, what’s more, raw material formulation and machine manufacture also have basic mass production ability.
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