选择性溶解法制备聚合物增透膜的研究
发布时间：2018-08-05 15:35
【摘要】：减反射膜是一类用于减少光学元件表面的反射、增加工作波段内光透射率的光学薄膜。它广泛应用于通讯器材、显示器、激光器、太阳能电池及各类光学镜片等光学元件当中。因此，研究减反射膜的设计和制备技术，对于生产实践活动十分必要。 本文先采用SAN/PS共混溶液法制备了SAN增透膜，发现其增透效果不太理想，且薄膜耐水性较差。本文然后用经典乳液聚合法合成了粒径窄分布的纳米尺寸PMMA和PS乳液，，再通过共混乳液法制备了PMMA增透膜，发现此薄膜的增透效果明显好于SAN增透膜。采用此法制备的PMMA增透膜不仅在可见光区具有增透性，而且在近红外区也具有增透性，另外薄膜还具有一定的疏水性，此法的不足之处是步骤繁琐。本文最后采用步骤更加简便的单乳液法制备了PMMA增透膜，发现其增透效果与用共混乳液法制备的PMMA增透膜相比没有大幅下降，且具有良好的耐超声清洗性，可以尝试在不同基底上采用此法制备增透膜。
[Abstract]:Antireflection film is a kind of optical film which is used to reduce the reflection on the surface of optical element and increase the optical transmittance in the working band. It is widely used in communication devices, displays, lasers, solar cells and optical lenses and other optical components. Therefore, it is necessary for production practice to study the design and preparation technology of antireflection film. In this paper, SAN antireflective films were prepared by SAN/PS blend solution method. It was found that the antireflective effect of SAN films was not ideal and the water resistance of the films was poor. In this paper, nano-sized PMMA and PS emulsions with narrow particle size distribution were synthesized by classical emulsion polymerization, and then PMMA antireflective films were prepared by blending emulsion method. It was found that the antireflective effect of PMMA films was better than that of SAN antireflective films. The PMMA antireflection film prepared by this method not only has antireflection in the visible region, but also has antireflection in the near infrared region. In addition, the film has some hydrophobicity. The disadvantage of this method is that the steps are tedious. In the end, the PMMA antireflective membrane was prepared by a simple and simple single emulsion method. It was found that the antireflection effect of the PMMA antireflective membrane was not significantly lower than that of the PMMA antireflective membrane prepared by blending emulsion method, and it had good ultrasonic cleaning resistance. This method can be used to prepare antireflective films on different substrates.
【学位授予单位】：东华大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TB383.2
本文编号：2166228
[Abstract]:Antireflection film is a kind of optical film which is used to reduce the reflection on the surface of optical element and increase the optical transmittance in the working band. It is widely used in communication devices, displays, lasers, solar cells and optical lenses and other optical components. Therefore, it is necessary for production practice to study the design and preparation technology of antireflection film. In this paper, SAN antireflective films were prepared by SAN/PS blend solution method. It was found that the antireflective effect of SAN films was not ideal and the water resistance of the films was poor. In this paper, nano-sized PMMA and PS emulsions with narrow particle size distribution were synthesized by classical emulsion polymerization, and then PMMA antireflective films were prepared by blending emulsion method. It was found that the antireflective effect of PMMA films was better than that of SAN antireflective films. The PMMA antireflection film prepared by this method not only has antireflection in the visible region, but also has antireflection in the near infrared region. In addition, the film has some hydrophobicity. The disadvantage of this method is that the steps are tedious. In the end, the PMMA antireflective membrane was prepared by a simple and simple single emulsion method. It was found that the antireflection effect of the PMMA antireflective membrane was not significantly lower than that of the PMMA antireflective membrane prepared by blending emulsion method, and it had good ultrasonic cleaning resistance. This method can be used to prepare antireflective films on different substrates.
【学位授予单位】：东华大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TB383.2
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