분석과학 (Analytical Science and Technology)

  • 제12권6호
  • /
  • Pages.509-514
  • /
  • 1999
  • /
  • 1225-0163(pISSN)
  • /
  • 2288-8985(eISSN)
한국분석과학회 (The Korean Society of Analytical Sciences)
권호 표지

Titanium(IV) isoproxide 유도체의 합성 및 특성연구

Characterization and Synthesis of Titanium (IV) Isopropoxide Derivatives

  • Jung, Mie-Won (Department of Chemistry, Sungshin Women's University)
  • 투고 : 1999.06.08
  • 발행 : 1999.12.25
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초록

Titanium(IV) isoproxide에 유기첨가제로 아세트산을 첨가하여 단일성분계인 치환된 titanium(IV) isoproxide를 합성한다. 합성된 titanium 착화합물은 세가지 형태로 된 5배위 및 6배위의 구조로 존재함을 FT-IR, $^1H$ 및 $^{13}C$ NMR 그리고 UV-Vis 스펙트라로 확인하였다. 이 착물에 대한 가수분해 반응을 $^1H$-NMR spectroscopy를 이용해 관찰하였고 FT-IR spectroscopy로 가수분해 및 건조시킨 후의 구조 변화를 관찰하여 보았으며 리간드의 존재 유무도 살펴보았다.

The systematic modification of titanium(IV) isopropoxide with acetic acid as a organic additive was done and identifided by FT-IR, $^1H$, $^{13}C$ NMR and UV-Vis spectroscopy. The structure was cbanged after hydrolysis-condensation reaction and drying process. The hydrolysis-condensation rates of modified Ti alkoxide with acetic acid were investigated by $^1H$ NMR spectroscopy. This modified Ti(IV) alkoxide was less reactive toward hydrolysis-condensation reaction than $Ti(OPr^i)_4$, which can be attributed to the stable ligand structure between Ti alkoxide and ligand. The structural change on obtained from gel powders with heat treatment was also observed by FT-IR spectroscopy.

키워드

과제정보

연구 과제 주관 기관 : 성신여자대학교

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