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      Sol-gel 법으로 제조된 polyimide-silica 복합막을 통한 CO₂와 CH₄의 투과특성 = The transport properties of CO₂ and CH₄ for sol-gel polyimide-silica composite membrane

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      https://www.riss.kr/link?id=A3006548

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      다국어 초록 (Multilingual Abstract)

      The effect of introduction of silica particles prepared by the sol-gel rocess on the gag transport properties of a polyimide membrane was tudied. The sorption and permeation of CO2 and CH4 were studied and orrelated with morphological changes in the polymer structure. From orption isotherms, the composite membrane showed higher solubility Coefficients than the polyimide one. The solubility coefficient ratio between the composite and polyimide is about 1.5-2.0. From Permeation experiments, the composite membrane showed higher Permeability coefficients than the polyimide one. The increase of Permeability coefficient appears to be the result of a solubility enhancement in the organic matrix of the composite rather than a diffusion enhancement in the voids at the polyimide-silica interphase.
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      The effect of introduction of silica particles prepared by the sol-gel rocess on the gag transport properties of a polyimide membrane was tudied. The sorption and permeation of CO2 and CH4 were studied and orrelated with morphological changes in the p...

      The effect of introduction of silica particles prepared by the sol-gel rocess on the gag transport properties of a polyimide membrane was tudied. The sorption and permeation of CO2 and CH4 were studied and orrelated with morphological changes in the polymer structure. From orption isotherms, the composite membrane showed higher solubility Coefficients than the polyimide one. The solubility coefficient ratio between the composite and polyimide is about 1.5-2.0. From Permeation experiments, the composite membrane showed higher Permeability coefficients than the polyimide one. The increase of Permeability coefficient appears to be the result of a solubility enhancement in the organic matrix of the composite rather than a diffusion enhancement in the voids at the polyimide-silica interphase.

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      목차 (Table of Contents)

      • I.서론
      • II.이론적 배경
      • II-1비공성막을 통한 기체투과
      • III.실험
      • III-1분리막 제조
      • I.서론
      • II.이론적 배경
      • II-1비공성막을 통한 기체투과
      • III.실험
      • III-1분리막 제조
      • III-2실험장치
      • IV.결과 및 고찰
      • V.결론
      • 참고문헌
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