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Surface Modification by Heat-treatment of Propellant Waste Impregnated ACF

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2010, 11(2), pp.131-136
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

윤근식 1 표대웅 2 Lee, Young-Seak 2 RYU SEUNG KON 2 Xiao Ping Yang 3

1국방기술품질원
2충남대학교
3Beijing University

Candidate

ABSTRACT

Propellant waste was impregnated on the surface of activated carbon fiber and heat-treated at different temperature to introduce newly developed functional groups on the ACF surface. Functional groups of nitrogen and oxygen such as pyridine,pyridone, pyrrol, lacton and carboxyl were newly introduced on the surface of modified activated carbon fiber. The porosity,specific surface area, and morphology of those modified ACFs were changed as increasing the heat-treated temperature from 200 to 500oC. The optimum heat-treatment temperature was suggested to 500oC, because lower temperature given rise to the decrease of specific surface area and higher temperature resulted in the decrease of weight loss. Propellant waste can be used as an useful surface modifier to porous carbons.

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