화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.9, No.1, 83-88, January, 2003
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Rapid Sonochemical Synthesis of Spherical-shaped Mesoporous SBA-15 silica and Ti-incorporated SBA-15 Silica Materials
Seon Keun Lee, Jinwoo Lee, Jin Joo, Taeghwan Hyeon†, Wha Seoun Ahn1, Ho-In Lee, Cung-Hak Lee, and Wonyong Choi2
  • School of Chemical Engineering and Institute of Chemical Processes, Seoul National University, Seoul 151-744, Korea
  • 1School of Chemical Science and Engineering, Inha University, Inchon 402-751, Korea
  • 2School of Environmental Science and Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea
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Mesoporous SBA-15 silica materials were synthesized in short time from one hour ultrasonic irradiation, followed by I ~ 3 h gelation in acidic media. The particle morphology of these sonochemically synthesized mesoporous materials was nearly spherical. Titanium was directly incorporated into SBA-15 silicate framework through sonochemical co-condensation of Ti(O-iPr)4 and Si(OEt)4. The Ti-incorporated SBA-15 silica exhibited good catalytic activity for the oxidation of 2,6-di-tert-butylphenol.
Keywords:sonochemistry;ultrasound;mesoporous silica;Ti-incorporation;SBA-15
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