Facile fabrication of a novel high performance CO2 separation membrane: Immobilization of poly(amidoamine) dendrimers in poly(ethylene glycol) networks

Ikuo Taniguchi, Shuhong Duan, Shingo Kazama, Yuichi Fujioka

研究成果: Contribution to journalArticle

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Poly(amidoamine) (PAMAM) dendrimers showed high CO2 separation properties and were successfully immobilized in a poly(ethylene glycol) (PEG) network upon photopolymerization of PEG dimethacrylate. The PAMAM dendrimer incorporation ratio was readily controlled, and a stable self-standing membrane containing up to 75 wt.% PAMAM dendrimer was obtained. The CO2 separation properties over smaller H2 were investigated by changing the PAMAM dendrimer content or generation and CO2 partial pressure (Δ PC O2) under atmospheric conditions. Especially, a polymeric membrane containing 50 wt.% PAMAM dendrimer (0th generation) exhibited an excellent CO2/H2 selectivity of 500 with CO2 permeability of 2.74 × 10-14 m3(STP)m/(m2 s Pa) or 3.65 × 103 barrer (1 barrer = 7.5 × 10-18 m3(STP)m/(m2 s Pa)) when a mixture gas (CO2/H2: 5/95 by vol.) was fed at 25 °C and 100 kPa with 80% relative humidity. This polymeric materials are promising for a novel CO2 separation membrane.

元の言語英語
ページ(範囲)277-280
ページ数4
ジャーナルJournal of Membrane Science
322
発行部数2
DOI
出版物ステータス出版済み - 9 15 2008
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

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