Enhancement of Dark Polymerization by Oxygen Quenching during Network Formation in Ultraviolet-Light-Induced Radical Polymerization of Multifunctional Monomers and Reactive Polymer

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  • Mikami Hiroto
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University
  • Higashi Shiori
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University
  • Muramoto Takuya
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University
  • Tanaka Manabu
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University
  • Yamato Masafumi
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University
  • Kawakami Hiroyoshi
    Department of Applied Chemistry, Graduate School of Urban Environment Sciences, Tokyo Metropolitan University

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タイトル別名
  • Gas Permeable Mixed Matrix Membranes Composed of a Polymer of Intrinsic Microporosity (PIM-1) and Surface-modified Pearl-necklace Silica Nanoparticles: Effect of Expansion of Nano-space on Gas Permeability

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<p>Gas permeable mixed matrix membranes (MMMs) based on a polymer of intrinsic microporosity (PIM-1) was studied focusing on the effect of the expansion of nano-space formed by surface modification on non-porous silica nanoparticles on gas permeability. The silica nanoparticles modified with different generations dendritic moieties were successfully synthesized and characterized by FT-IR and TGA measurements. The CO2 permeability of the MMMs significantly increased with an increase of loading of the particles and addition of the particles with high modification ratio was more effective in improving gas permeability. The expansion of nano-space formed by the surface modification on silica nanoparticles would improve gas diffusion coefficient in MMMs. This was supported by the correlation between the diffusion coefficient in the MMMs and the peaks observed by 129Xe NMR spectroscopy.</p>

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