Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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High Pressure Curing of Phenol Resin for High Quality Coating of Glassy Carbon

고품질 유리질 카본 코팅을 위한 페놀 수지의 고압 경화

  • Hong, Seok-Gi (Future Convergence Ceramic Division, Korea Institute of Ceramic Engineering & Technology) ;
  • Cho, Kwang-Youn (Future Convergence Ceramic Division, Korea Institute of Ceramic Engineering & Technology) ;
  • Kwon, Oh-Hyeon (Department of Materials Science and Engineering, Yonsei University) ;
  • Cho, Yong-Soo (Department of Materials Science and Engineering, Yonsei University) ;
  • Jang, Seung-Jo (Modern Carbon Co., Ltd)
  • 홍석기 (한국세라믹기술원 미래융합세라믹본부) ;
  • 조광연 (한국세라믹기술원 미래융합세라믹본부) ;
  • 권오현 (연세대학교 신소재공학과) ;
  • 조용수 (연세대학교 신소재공학과) ;
  • 장승조 ((주)모던카본)
  • Received : 2011.01.04
  • Accepted : 2011.01.21
  • Published : 2011.03.31
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Abstract

Successful coating of high quality glassy carbon is introduced by applying high pressure during the curing process of dip-coated phenol resin on graphite. The dependence of the applied pressure on the quality of the glassy carbon layer has not been reported so far. Pressure was changed from 0 to 400 psi during curing at $200^{\circ}C$. After carbonized at $1100^{\circ}C$ in inert atmosphere for the 400 psicured sample, as a promising result, a thick (~ 3 mm) and smooth glassy carbon layer could be obtained without any breakage, and the yield of carbonization was remarkably increased. It is believed that the cross-linking of resins results in decreasing volatile contents and, thus, increasing the yield of the glassy carbon. The origin of the improvement is discussed on the basis of several analytical results including FE-SEM, FT-IT and Raman spectrum.

Keywords

References

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