Study on preparation of closed-celled microspheric carbon foams

Zhen Hai Shi, Ke Zhi Li, He Jun Li, Chuang Wang, Zhao Qian Li

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Microcapsules were made from thermosetting phenolic resin and then heated to be hollow. Under the protection of N2, the microcapsules are carbonized at 900-1100°C and closed-cell microspheres of carbon structure result. When the carbon microspheres are graphitized under the protection of Ar at 2100-2600°C, closed-cell carbon microspheric form of graphitic structure is produced. The new foam has a thermal coefficient of around 5 W/m · K and were an ideal heat-resistant foam material.

Original languageEnglish
Pages (from-to)1944-1946+1950
JournalGongneng Cailiao/Journal of Functional Materials
Volume36
Issue number12
StatePublished - Dec 2005

Keywords

  • Carbon foam
  • Carbon microsphere
  • Microcapsule
  • Thermosetting phenolic resin

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