Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Preparation of Hard Coating Solutions by Sol-Gel Reaction of Glycidoxypropyl Trimethoxysilane and Methacryloxypropyl Trimethoxysilane

Glycidoxypropyl Trimethoxysilane과 Methacryloxypropyl Trimethoxysilane의 Sol-Gel 반응을 이용한 하드코팅 용액의 제조

  • Received : 2007.10.12
  • Accepted : 2007.10.27
  • Published : 2008.04.30
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Abstract

Hard coating solutions were prepared from glycidoxypropyl trimethoxysilane (GPTMS) and methacryloxypropyl trimethoxysilane (MPTMS) precursors with different molar ratios of 10:0, 9:1, 7:3, 5:5, 3:7, and 0:10, respectively, by the sol-gel method. The polycarbonate (PC) sheets were spin-coated, and cured at $130^{\circ}C$ for 3 h. The effect of the GPTMS:MPTMS molar ratios of the mixture was investigated on the properties of coating films. The highest pencil hardness and adhesion to PC sheets of coating films were found for solution with GPTMS:MPTMS molar ratio of 5:5. Also, the pencil hardness of coating films was increased with increasing the $H_2O$ content in the coating solutions.

실란커플링제인 glycidoxypropyl trimethoxysilane(GPTMS)과 methacryloxypropyl trimethoxysilane(MPTMS)을 10:0, 9:1, 7:3, 5:5, 3:7, 0:10의 다양한 몰 비로 혼합한 용액으로부터 sol-gel법을 이용하여 하드 코팅 용액을 제조하였다. 제조된 코팅 용액을 polycarbonate(PC) 시트 위에 스핀 코팅 시키고, $130^{\circ}C$에서 3 h 동안 열 경화시켜 하드 코팅 막을 제조 하였다. 이 과정 중 코팅 용액 중의 GPTMS와 MPTMS의 몰 비 변화가 코팅 막의 물성에 미치는 영향을 살펴보았다. GPTMS와 MPTMS가 5:5의 몰 비로 제조된 코팅 용액으로 PC 시트 위에 코팅한 경우가 다른 조건으로 제조된 코팅 용액보다 우수한 연필경도 및 기재와의 부착력을 보였다. 또한 코팅 용액 중의 $H_2O$의 첨가량이 증가할수록 코팅막의 연필경도는 증가하였다.

Keywords

Acknowledgement

Grant : 저가용 금속알콕사이드 합성 및 이를 이용한 에너지 절약형 유리타일

Supported by : 에너지관리공단

References

  1. Cheong, I. Y., Cho, K. I., Cheong, S. H., Park, H. N. and Song, K. C., "Preparation of Hard Coating Solutions with High Refractive Index for Polycarbonate Sheet by the Sol-Gel Method," Korean Chem. Eng. Res., 45(4), 335-339(2007)
  2. Lee, M. S. and Jo, N. J., "Abrasion-Resistance and Optical Properties of Sol-Gel Derived Organic-Inorganic Hybrid Coatings," J. Korean Ind. Eng. Chem., 12(6), 643-648(2001)
  3. Brinker, C. J. and Scherer, G. W., Sol-Gel Science: The Physics and Chemistry of Sol-Gel Processing, Academic Press, Boston(1990)
  4. Lee, D. I., Jang, S. H. and Song, K. C., "Preparation of Hydrophilic Inoranic-Organic Hybrid Coating Solutions by Sol-Gel Method," Korean Chem. Eng. Res., 41(6), 768-772(2003)
  5. Kim, D. H., Song, K. C., Chung, J. S. and Lee, B. S., "Preparation of Hard Coating Solutions using Colloidal Silica and Glycidoxypropyl Trimethoxysilane by the Sol-Gel Method," Korean Chem. Eng. Res., 45(5), in press(2007)
  6. ASTM D 3359, "Standard Test Methods for Measuring Adhesion by Tape Test," ASTM International
  7. Park, J. K., Song, K. C., Kang, H. U. and Kim, S. H., "Preparation of Hydrophilic Coating Film Using GPS(Glycidoxypropyl Trimethoxysilane)," Korean Chem. Eng. Res., 40(6), 735-740(2002)
  8. Song, K. C., Park, J. K., Kang, H. U. and Kim, S. H., "Synthesis of Hydrophilic Coating Solution for Polymer Substrate Using Glycidoxypropyltrimethoxysilane," J. Sol-Gel Sci. Tech., 27, 53-59(2003) https://doi.org/10.1023/A:1022679910313
  9. Jeon, S. J., Kim, W., Lee, J. J. and Koo, S. M., "Reparation and Charcterization of Hard Coating Materials Based on Silane Modified Hybrid materials," J. Korean Ind. Eng. Chem., 17(6), 580-585(2006)