Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Catalytic Performance of V-KIT-6 for the Oxidation of Styrene

스티렌 산화반응에 대한 V-KIT-6의 촉매특성 고찰

  • Kim, Sang-Yun (Division of Chemical Engineering/Research Institute of Industrial Technology(RIIT), Pusan National University) ;
  • Jermy, Balasamy R. (Division of Chemical Engineering/Research Institute of Industrial Technology(RIIT), Pusan National University) ;
  • Bineesh, Kanattukara V. (Division of Chemical Engineering/Research Institute of Industrial Technology(RIIT), Pusan National University) ;
  • Lim, Dong-Ok (Seki Arkema Co., Ltd.) ;
  • Kim, Kyung-Hoon (Division of Chemical Engineering/Research Institute of Industrial Technology(RIIT), Pusan National University) ;
  • Park, Dae-Won (Division of Chemical Engineering/Research Institute of Industrial Technology(RIIT), Pusan National University)
  • 김상윤 (부산대학교 응용화학공학부 생산기술연구소) ;
  • ;
  • ;
  • 임동옥 (세기아케마 주식회사) ;
  • 김경훈 (부산대학교 응용화학공학부 생산기술연구소) ;
  • 박대원 (부산대학교 응용화학공학부 생산기술연구소)
  • Received : 2009.02.03
  • Accepted : 2009.03.20
  • Published : 2009.06.30
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Abstract

The direct incorporation of vanadium into the three-dimensional(3-D) cubic Ia3d mesostructure designated as V-KIT-6 was carried out hydrothermally using a Pluronic P123 and n-butanol as the structure-directing mixture, tetraethylorthosilicate(TEOS) as the silica source and $NH_4VO_3$ as the vanadium source. The obtained V-KIT-6 showed a very high specific surface area ${\sim}1,000m^2/g$ with tunable pore diameters in narrow distribution of sizes ~6.0 nm. The coordination and nature of V sites in V-KIT-6 are characterized by $^{51}V$-spin-echo NMR analysis. The calcined V-KIT-6 materials showed excellent catalytic activity in the direct oxidation of styrene using tert-butyl hydroperoxide(TBHP) as an oxidant.

바나듐이 담지된 3차원 입방구조의 V-KIT-6를 Pluronic P123 공중합체를 구조형성제로 사용하고, 부탄올을 보조 계면활성제로 사용하여 TEOS와 $NH_4VO_3$로부터 수열합성법으로 제조하였다. 제조한 V-KIT-6는 좁은 기공분포(~6.0 nm)를 가지고 넓은 비표면적(${\sim}1,000m^2/g$)을 보여주었다. V-KIT-6에서 V의 배위 특성 등은 $^{51}V$ 스핀 공명 NMR과 ESR을 이용하여 분석하였다. 제조된 V-KIT-6는 테트라부틸 하이드로 퍼옥사이드(TBHP)를 산화제로 사용한 스티렌의 직접산화반응에서 우수한 촉매활성을 나타내었다.

Keywords

Acknowledgement

Supported by : 부산대학교

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