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Molecular Crystals and Liquid Crystals Volume 520, 2010 - Issue 1: Proceedings of the KJF-International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP)
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Original Articles

Physical Properties of Polymethylsilsesquioxane with UV-Curable Group for Low-Loss Optical Materials

He Seung Lee Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea; Department of Chemical and Biological Engineering, Seoul National University, Seoul, Korea
,
Seung-Sock Choi Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea
,
Hangseok Lee Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea
,
Kyung-Youl Baek Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea
,
Soon Man Hong Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea
,
Eung Chan Lee Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, Korea
,
Jong-Chan Lee Department of Chemical and Biological Engineering, Seoul National University, Seoul, Korea
&
Seung Sang Hwang Hybrid Material Research Center, Korea Institute of Science and Technology, Seoul, KoreaCorrespondence[email protected]
 show all
Pages 215/[491]-222/[498] | Published online: 19 Apr 2010
 
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Abstract

Polymethylsilsesquioxane(PMSQ)s with photo-curable groups were prepared by copolymerization of alkoxysilanes. Poly(acryloyl-co-methylsilsesquioxane)(PAMSQ)s of various mole ratio acryloyl group (6 mol%, 12 mol%, 24 mol%, 48 mol%, 100 mol%) were obtained from copolymerization of methyltrimethoxylsilane and 3-(trimethoxysilyl)propyl acrylate. Optical and photonic curable properties were studied by near infrared region spectra, prism coupler, UV-visible spectra, and photo-DSC. The optical losses were below 0.002 dB/cm at 830, 1330, and 1550 nm, respectively. Optical loss was found to be independent of a molar ratio of functional group.

Acknowledgment

This research was partially supported by a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Republic of Korea.

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