Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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The Chemistry of Rhodium in Polysulfone: Reactions with Various Small Gas Molecules

  • Il-Wun Shim (Department of Chemsitry, Chung-Ang University) ;
  • Jin-Si Kim (Department of Chemsitry, Chung-Ang University) ;
  • Seok-Jong Oh (Agency for Defence Development of Korea) ;
  • Yong-Sik Yang (Agency for Defence Development of Korea) ;
  • Hwan-Kyu Suh (Agency for Defence Development of Korea) ;
  • Sang-Kyu Lee (Agency for Defence Development of Korea)
  • Published : 1994.02.20
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Abstract

RhCl [P($C_6H_5)_3]_3$ complexes have been incorporated in polysulfone (PS) as a dispersion medium using cosolvent (THF). The interactions between Rh(Ⅰ) complexes and polysulfone polymer molecules are examined by infrared spectroscopy and thermal analysis. The chemical reactivity of Rh in PS films has been investigated by reacting Rh sites with CO, $H_2,\;D_2,\;O_2\;NO,\;C_2H_2\;and\;C_2H_4$ in the temperature range $25-200^{\circ}C$. Various Rh-carbonyl, -hydride and -nitrosyl species formed in PS films are characterized by their infrared spectra. Rh complexes in PS film show interesting catalytic reactivities in the reactions such as hydrogenation of $C_2H_2\;and\;C_2H_4$, oxidation of CO, and reduction of NO by CO or $H_2$ gas under relatively mild conditions.

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