Coordination Behavior of Metal Ions with the Linear Polyether Chains Grafted onto Polyethelene Non-Woven Fabric

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  • SAITOH Takayuki
    Ebara Research Co., Ltd.
  • MATSUMOTO Kanji
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University
  • NAKAMURA Kazuho
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University
  • HIRAYAMA Wakako
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University
  • NITTAMI Tadashi
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University
  • HOTAI Michiko
    Ebara Research Co., Ltd.
  • TAKEDA Kazuyoshi
    Department of Medicinal Chemistry,Yokohama College of Pharmacy

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  • 直鎖ポリエーテル-グラフト不織布の金属イオン配位特性
  • チョクサ ポリエーテル グラフト フショクフ ノ キンゾク イオンハイイ トクセイ

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Abstract

If the chain of linear polyether is grafted onto an organic polymer material, a variety of metal ions in the solvent are expected to be captured by grafted oxyethlene molecular chains owing to the free movement of the chains. PE-g-PEGME#1) with a different chain length was synthesized bonding linear polyether to 4-Chloromethylstyrene (CMS) of polyethelene (PE) non-woven fabric synthesized by graft polymerization. The interaction between the linear polyether chain and the metal ions of perchlorate, which are partially soluble in the organic solvent, were investigated by the ion adsorption test using a flow column and the coordination bond strength using NMR spectra. The following results were obtained: PE-g-PEGME coordinated to many species of metal ion. When the solvent was isopropanol (IPA), the strength of ion selectively was on the order of Na+<Mg2+<K+<Ca2+. Furthermore, PEGME strongly coordinated to Na+ ion in a solvent of small permittivity, and the order of coordination strength was water <Acetonitrile (ACN)<IPA. The longer the oxyethylene chain of PEGME was, the higher the 1H-NMR chemical shift was, and the coordination of Na+ ion was shown to be strong at the longer oxyethylene chain of PEGME.<br> #1) Polyethylene-graft-methylstyrene-poly (ethyleneglycol) monomethyl ether<br>

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