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Morphology control of glassy carbon coating layer to additive ethylene glycol and phenolic resin

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2022, 32(3), pp.89-95
  • DOI : 10.6111/JKCGCT.2022.32.3.089
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : June 3, 2022
  • Accepted : June 15, 2022
  • Published : June 30, 2022

Sang Hyun Joo 1 Young Jun Joo 1 Hyuk Jun Lee 2 Young Jin Sim 2 Dong Jin Park 3 cho kwang youn 1

1한국세라믹기술원
2부산대학교
3(주)지티아이

Accredited

ABSTRACT

In this study, glassy carbon coating was performed on the graphite using a phenolic resin and a curing agent was mixed with ethylene glycol as an additive to form the uniform surface. The phenolic resin was dried and cured under the environments of hot air, then converted into a glassy carbon layer by pyrolysis at 500~1,500°C. FTIR, XRD, SEM analysis, and density/porosity/contact angle measurement were performed for characterization of glassy carbon. The pyrolysis temperature for high-quality glassy carbon was optimized to be about 1,000°C. As the content of the additiveincreased, the effect of reducing surface defects on the coated surface, reduction of porosity, increase of contact angle, andincrease of density were investigated in this study. The method of forming a glassy carbon coating layer through an additive is expected to be applicable to graphite coating and other fields.

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