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Optical Coating by Hybrid Sol

Published online by Cambridge University Press:  08 March 2011

Wei-Hong Wang  and
Lih-Yue Chen
Wei-Hong Wang
Affiliation:
Chemical Engineering Section, Chemical Systems Research Division, Chung Shan Institute of Science and Technology, Taiwan 325, R.O.C.
Lih-Yue Chen
Affiliation:
Chemical Engineering Section, Chemical Systems Research Division, Chung Shan Institute of Science and Technology, Taiwan 325, R.O.C.
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Abstract

The fluorocarbon/SiO2 hybrid sol (L) for low refractive index coating was made by tetraethoxysilane (TEOS) and polytetrafluoroethylether derivative(PTFEED) with the hydrolysis and condensation in ethanol to get with coating refractive index as (nL=1.38). It can be coated on glass with single layer by quarter wave, the anti-reflective (AR) coating glass would have less than 3 % reflection. The TiO2 hybrid sol are prepared by tetraisopropyl orthotitanate(TPOT) with silane coupling agent and acrylic resin. The TiO2 hybrid sol with the coating refractive index (nH=1.75) used as high refraction coating sol (H). More acrylic resin added to get less coating refractive index (nM=1.65) used as middle refractive coating sol (M). Three layers AR coating glass can be made by M/H/L design to get 1.0 % reflection, have 3H hardness, 500g scratch resistance, and 107° water contact angle. These two kinds AR coating with fluorocarbon /SiO2 hybrid sol (L) coating on surface has anti-stain efficacy, which can be applied on the touch panel screen of flat panel display for mobile phone, PDA and e-book.

Keywords

coatingopticalsol-gel
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-ii03-08
Copyright
Copyright © Materials Research Society 2011

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References

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