Modification of a hydrophobic-ligand-containing porous sheet using tri-n-octylphosphine oxide, and its adsorption/elution of bismuth ions

Ryota Tanaka, Ryo Ishihara, Kazuyoshi Miyoshi, Daisuke Umeno, Kyoichi Saito*, Shiho Asai, Shinsuke Yamada, Hideyuki Hirota

*この研究の対応する著者

研究成果: Article査読

8 被引用数 (Scopus)

抄録

A neutral extractant, tri-n-octylphosphine oxide (TOPO), was used to chemically modify a porous sheet, with a final density of 1.0 mmol/g. First, glycidyl methacrylate (GMA) was graft-polymerized onto a porous polyethylene sheet with an average pore diameter, porosity, and thickness of 1.2 μm, 75%, and 2.0 mm, respectively. Second, an octadecane thiol group was introduced into the poly-GMA graft chain. Third, TOPO was deposited on the graft chain via a hydrophobic interaction. Bismuth chloride solution (BiCl3 in 0.15 M HNO3) was forced through the pores of the TOPO-modified porous sheet. The equilibrium binding capacity for bismuth was 0.19 mmol/g. Bismuth ions bound to TOPO were quantitatively eluted with 11 M HNO3.

本文言語English
ページ(範囲)986-990
ページ数5
ジャーナルReactive and Functional Polymers
70
12
DOI
出版ステータスPublished - 2010 12月
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 環境化学
  • 生化学
  • 化学工学(全般)
  • ポリマーおよびプラスチック
  • 材料化学

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